abnormal situation |
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AC utilization equipment |
Equipment that utilizes
electrical energy for electronic, electromechanical, chemical, heating,
lighting, or similar purposes. For
further information on this equipment refer to ES&H
Manual Chapter 6230 Electronic Equipment Safe Work Program. |
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acceleration system/component |
Devices capable of accelerating particles to
energies of > 10 keV. This includes ac, dc, or RF voltages in
excess of 10 kV applied in or near a low pressure vessel. (Prompt radiation controls are recommended
for equipment capable of generating a final particle energy ≥ 25 keV.) |
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Accelerator Operations Directives (AOD) |
A comprehensive directive that
describes and governs how MCC Operations "does business." Details
the approach utilized by Accelerator operators to comply with Jefferson Lab
policy, procedures, and documentation requirements.(see http://opsntsrv.acc.jlab.org/ops_docs/online_document_files/ACC_online_files/accel_ops_directives.pdf) |
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Accelerator
Safety Envelope (ASE) |
A set of physical and administrative
conditions based on ES&H considerations contained in DOE guidelines. The
ASE establishes and defines the boundaries within which an accelerator and
its experiments may be operated. If all operations are performed within the
boundaries of the safety envelope, the facility staff, the facility users,
the general public, and the environment are protected. (See Jefferson Lab’s Final
Safety Assessment Document) |
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access control system (ACS) |
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access-restricted construction site |
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action level |
Term used to designate when an
activity requires medical surveillance, increased Industrial Hygiene
monitoring, or other mitigation to reduce risk. Action levels are generally set at one half
the actual permissible exposure limit
(PEL), and are calculated at a time-weighted
average of 8-hours of exposure (e.g.: noise, lead, beryllium.) (e.g.
30 μg/m3 concentration of lead particulates in
the air for eight hours triggers stringent Industrial Hygiene monitoring.) |
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action owner |
The individual assigned responsibility for
completion of a corrective
action. |
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active controls |
Controls that require some
action to prevent or mitigate a hazard. |
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administrative control level |
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administrative controls |
Controls which require action on the part of an individual to be
effective. Effectiveness depends
upon individual awareness and compliance.
Used when a hazard cannot be reduced to safe levels through engineering controls. The most common Administrative Controls at Jefferson Lab include, but are
not limited to: procedures, recordkeeping, assessment, and reporting. (Administrative
controls are the least preferred method of hazard mitigation.) |
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administrative lockout/tagout |
Procedures used to restrict
operation, access, equipment use, or tampering for reasons other than
maintenance and repair.
(See ES&H Manual
Chapter 6111 Administrative Control using Locks and Tags.) |
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Administrative Lockout/Tagout
Tag |
Clearly distinguishable from Jefferson Lab approved Danger Tags. |
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administrative procedures |
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affected employee |
A person who relies on equipment that
LO/TO is applied to during maintenance or service. The affected employee is not necessarily
the one performing the maintenance. It
is anyone whose work requires entry into an area where that person could be
injured by an uncontrolled release of energy as the result of maintenance
and/or service or whose work is interrupted by the maintenance and/or
service. |
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affirmative procurement (AP) |
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agreement parties |
The parties authorized to sign the contract, and
modifications thereof, between the DOE and the Jefferson Science Associates,
LLC (JSA) on behalf of their respective institutions. These parties are the Contracting Officer and
the President of JSA. |
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airborne radioactive material or airborne radioactivity |
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airborne radioactivity area |
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alert level |
The cumulative annual exposure
that triggers special efforts to keep an individual’s exposure ALARA. Jefferson Lab’s alert level is 0.25 rem (250 mrem)
in 1 year. |
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alternative design rules |
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alternate duty |
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American National Standards Institute and the
Institute of Electrical and Electronic Engineers (ANSI/IEEE) |
These two organizations have
collaborated to produce two standards, “Recommended Practice for the
Measurement of Potentially Hazardous Electromagnetic Fields — RF and
Microwave.” Its reference number is
C95.3–1991. (Also the “IEEE Standard
for Safety Levels with respect to Human Exposure to Radio Frequency
Electromagnetic Fields” C95.1 3 kHz to 300 GHz.) http://www.ansi.org/
/ http://www.ieee.org/portal/site |
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American Society of Mechanical Engineers (ASME) |
The professional engineering
organization whose Boiler and Pressure Vessel Code is the standard for
pressure vessel engineering at Jefferson Lab.
This code can also be adapted for certain cases of vacuum vessel
engineering design. The most
frequently used sections of the Code as applied to pressure vessels used at
Jefferson Lab are: Section II
Materials, Section VIII Rules for Construction of Pressure Vessels, and
Section IX Welding and Brazing Qualifications. http://www.asme.org/ |
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ANSI Z-136.1 “American National Standard for Safe
Use of Lasers” |
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approved equipment |
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arc flash boundary |
The
approach limit from a prospective arc source within which a person could
receive a second degree burn if an electrical arc flash were to occur (ref.
NFPA 70E). When work is to be
performed within the arc flash boundary, the qualified persons
use personal protective equipment (PPE) that is appropriate for the available
incident energy of the system being worked on. |
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as low as reasonably achievable (ALARA) |
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asbestos-containing building material (ACBM) |
Components,
systems, or surfaces in a building that were manufactured with asbestos, or
to which asbestos coatings have been applied. |
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ASME – Boiler and Pressure Vessel
(BPV) Code |
·
Section II:
Materials, Parts A, B, C, and D · Section V: Nondestructive Examination · Section VIII: Rules for Construction of Pressure Vessels,
Divisions I & II · Section IX: Welding and Brazing Qualifications |
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ASME – Code for Pressure Piping B31 |
· B31.1 Power Piping · B31.3 Process Piping* · B31.5 Refrigeration Piping · B31.9 Building Services Piping *ASME B31.3 Process Piping shall be used as the primary standard for Jefferson Lab piping systems. Other sections shall be applied as appropriate based on sound judgment of the Design Authority and proven practices in the respective field. |
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assigned radiation monitor (ARM) |
Staff members who
have completed special radiation survey training and assist the Radiation
Control Department in performing radiation survey measurements of the
facility and equipment. |
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attendant |
An
individual stationed outside a permit-required
confined space
(PRCS) who monitors the authorized entrants and performs other duties as
indicated on the entry permit. (See ES&H Manual
Chapter 6160 Confined Space Entry.) |
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audiometric testing |
A procedure that measures hearing ability. The perception threshold is established at
representative frequencies from 500 Hz to 8 kHz. The unit of measure is decibels on the A-weighted
sound scale (dBA), which measures the slow response
sound pressure level relative to 0.2 newton/cm2,
frequency-normalized for typical human ear sound response. |
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authority having jurisdiction (AHJ) |
The decision-making authority
for fire-protection systems, building features, and suitability for occupancy
with respect to fire safety as described in ES&H Manual
Chapter 6900 Fire Protection Program. Final AHJ
responsibilities rest with the cognizant DOE
Authority. The Jefferson Lab
Facilities Management Director (PED) provides the laboratory with direction
for fire-protection based upon contractual commitments and applicable
standards and codes, and serves as the on-site AHJ. |
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authorized employee |
Employee given permission to perform a task by the responsible Supervisor after consideration of the necessary qualifications,
experience, and other work planning factors. |
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Automated External Defibrillator (AED) |
A computerized medical device
that can check a person’s heart rhythm, recognize a rhythm that requires a
shock, and advise
the rescuer when a shock is needed.
The AED uses voice prompts, lights, and text messages to tell the
rescuer the steps to take. |
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aversion response |
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backflow preventer |
A mechanical device used to prevent foreign
materials from entering and contaminating the drinking water supply. |
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backup protection |
A secondary, redundant, protective system designed
to de-energize a device, system, or facility so as to permit safe physical
contact by maintenance personnel. A
backup protective system is totally independent of the first-line protection
and capable of functioning in the event of total failure of the first-line
protective system. |
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beam dump |
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beam line |
All accelerator
components that comprise the vacuum space through which the electron beam is
transported. |
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Beam “on”/“off” |
The injector gun is or is not in the beam permit
state. |
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beam power absorber |
A
device designed to safely absorb an electron beam and transfer the power to
another medium. |
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Becquerel (Bq) |
The Standard International (SI) unit of radioactivity. One becquerel is the quantity of
radioactive material in which one atom is transformed per second or undergoes
one disintegration per second. |
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below-the-hook lifting device |
Any device, other than slings,
used for attaching loads to a hoist (such as a spreader bar), as described in
ASME B30.20-1993 Section 20-0.1. (See ES&H Manual Chapter
6141 Material Handling Equipment – Rigging, Cranes, and Hoists.) |
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beryllium article |
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bioassay |
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bio-based product |
A commercial or industrial product (other than
food or feed) that utilizes biological products or renewable domestic
agricultural (plant, animal, or marine) or forestry materials. |
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bioelectronic device |
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blind penetration |
Drilling, cutting, nailing, and installing
fasteners, etc. into a wall or floor when the interior is concealed from
view. (See ES&H Manual Chapter
3320 Temporary Work Permits.) |
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bloodborne pathogens |
Pathogenic microorganisms that
are present in human blood and can cause disease in humans. These pathogens include, but are not
limited to, Hepatitis B Virus (HBV) and Human Immunodeficiency Virus (HIV). (See ES&H Manual Chapter
6800 Occupational Medicine.) |
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brazement |
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brazing |
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brazing procedure specification (BPS) |
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building service electrical equipment |
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Business Continue Plan (or Program) (BCP) |
An ongoing process supported by
senior management to ensure that the necessary steps are taken to identify
the impact of potential losses, maintain viable recovery plans and
strategies, and ensure
continuity of operations through personnel training, plan testing, and
maintenance. |
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calibration |
To adjust and/or determine either: (1) The response
or reading of an instrument relative to a standard (e.g., primary, secondary,
or tertiary) or to a series of conventionally true values or (2) The strength
of a radiation source relative to a standard (e.g., primary, secondary, or
tertiary) or conventionally true value. |
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cardiopulmonary resuscitation (CPR) |
An emergency procedure
consisting of artificial respiration and external chest compressions to
maintain a steady flow of blood and oxygen for a person whose heart and/or
lungs have stopped functioning. (See http://www.jlab.org/div_dept/train/
to schedule training.) |
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change driver |
The reason for considering and/or making a change
to an existing obligatory procedure. |
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Clean Air Act and Amendments (CAAA) |
Sets limits on certain air pollutants to help ensure basic health and
environmental protection. It gives the
EPA authority to limit emissions of air pollutants coming from sources like
chemical plants, utilities, and still mills.
States may have stronger air pollution laws, but may not have weaker
limits than those set by the EPA. The
1990 Clean Air Act is the most recent version of a law first passed in 1970
to clean up air pollution. See www.epa.gov/air/caa/. |
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closed-loop recycling |
The process by which products are purchased and
used then collected and reused, avoiding the cost and environmental damage
associated with waste disposal. This
reuse may include the product itself (book exchange) or the products material
(old newspaper to cellulose). |
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cognizant person |
A person
who is knowledgeable, trained, certified, and designated by either Physics or
Accelerator Division Management as appropriate (per Jefferson Lab’s Final
Safety Assessment Document). |
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collective dose |
The sum of the total effective dose
equivalent values for all individuals in a specified population. Collective dose is expressed in units of
person-rem (or person-sievert). |
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Committed Effective Dose |
The
sum of the committed equivalent doses to various
tissues or organs in the body (HT,50), each
multiplied by the appropriate tissue weighting factor (wT)—that
is, E50= ΣwTHT,50+ wRemainderHRemainder,50. Where “wRemainder”
is the tissue weighting factor assigned to the remainder organs and tissues
and “HRemainder,50” is the committed equivalent dose
to the remainder organs and tissues. |
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Committed Equivalent Dose |
The equivalent dose calculated to be
received by a tissue or organ over a 50-year period after the intake of a
radionuclide into the body. It does not include contributions from radiation
sources external to the body. |
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competent person |
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compressed (or pressurized) gas |
Any gas enclosed in a container
at a pressure higher than 40 psia
at 68°F (20°C); also any flammable liquid enclosed in a container with a
vapor pressure of 40 psia or higher at 100°F
(37.8°C). See ES&H Manual Chapter 6150
Compressed, Liquefied, and Solidified Gas Program |
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configuration control |
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confined space |
An area that meets all three of
the following criteria: ·
There
is sufficient space for a person to enter and perform work; ·
There
are limited/restricted means for entering/exiting the space; ·
The
space was not designed for continuous occupancy. |
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confined space entry |
Occurs
when any part of the body breaks the plane of the confined space opening. See ES&H Manual
Chapter 6160 Confined Space Entry |
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consequence level |
(See ES&H Manual Chapter
3210 Appendix T3 Risk Code Assignment.) |
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construction |
The combination of erection,
installation, assembly, demolition, or fabrication activities involved in
creating a new facility or altering, adding to, rehabilitating, dismantling,
or removing an existing facility. It
also includes the alteration and repair (including dredging, excavating, and
painting) of buildings, structures, or other real property, as well as any
construction, demolition, and excavation activities conducted as part of
environmental restoration or remediation efforts. |
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contaminant |
Any objectionable or hazardous physical, chemical,
biological, or radiological substance or matter in water. |
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contaminated surface |
The presence or the reasonably anticipated
presence of blood or other potentially infectious materials on an item or
surface. |
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contamination area |
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Continuity of Operations Plan (COOP) |
An internal effort within an organization to
assure that the capability exists to continue essential business functions
across a wide range of potential emergencies, including localized acts of
nature, accidents, and technological and/or attack/terrorist-related
emergencies. Essentially equivalent to
Business Continuity Plan. |
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Continuous Communications |
(In reference to PRCS areas
having ODH conditions) Achieved when a frequent verbal exchange, at normal
conversation levels, allows the Authorized Attendant to assess the Authorized
Entrant’s condition without visual aid. The following are NOT considered constant
communication: monitoring at a distance that requires communication at higher
than conversation levels; cell phones, two-way radios, two-way voice pagers,
any paging system, cameras, or PA systems. |
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contracting technical representative (CTR) (See SOTR) |
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contributing factor |
A situation, condition, or practice that made an
accident more likely to occur or that worsened the outcome. (See ES&H Manual Chapter
5200 Event Investigation and Causal Analysis Process.) |
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control of the site |
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controlled area |
An area where access is
controlled to protect individuals from radiation exposure. |
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controlled area radiation monitor (CARM) |
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controlled document |
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controls |
Provisions related to organization and management (i.e. procedures,
recordkeeping, assessment, and reporting) necessary to ensure safe operation
of a facility. Practices
or devices designed to manage or reduce hazards. Controls may consist of engineering and/or
administrative devices, warnings, or procedures designed to control hazards. |
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Corrective Action (See also: Preventive Action) |
An activity
that restores a service, item, component, or process to a state of acceptable
compliance with specifications, procedures, or regulatory requirements. (Corrective actions are designated in CATS within the “Issue Type” pull-down
menu.) |
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Corrective Action Tracking System (CATS) |
The Jefferson Lab online
database used to document, track, and trend findings,
observations, and proposed corrective actions to completion. https://mis.jlab.org/ehs/ |
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corrosive |
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course |
A training program or “learning activity” that is
designed to teach or impart the information necessary to acquire a skill. |
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crane/hoist owner/Supervisor |
The individual
listed on Jefferson Lab property documentation as the custodian of the Material Handling Equipment. |
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Credited control |
A safety control established to mitigate a hazard
that is categorized as unacceptable (or in some cases tolerable) and,
therefore, included in the Accelerator Safety Envelope. |
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Criteria and Review Approach Document (CRAD) |
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critical device |
An accelerator or beamline component(s) specifically designed and used to
ensure that the electron beam is either inhibited or cannot be transported
into areas where people are present (occupied area). A critical device can be an individual component
or a collection of components.
Examples include power supplies, power switches, beam stoppers, beam
current monitors, and electron guns. The configuration of critical devices is
controlled to ensure that critical device function meets the requirements in
the Accelerator Safety Envelope. The Conduct of Engineering Manual gives the
process for managing the configuration of critical devices. The Safety
Configuration Management Board must concur in any changes to critical
devices. |
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critical lift |
1. The load item, if damaged or
upset would result in a release, into the environment of radioactive or hazardous material exceeding the established permissible
environmental limits. 2. The load item is unique and, if
damaged, would be irreplaceable or not repairable and is vital to a system,
facility or project operation. 3. The cost to replace or repair
the load item, or the delay in operations of having the load item damaged
would have a negative impact on facility, organizational, or DOE budgets to
the extent that it would affect program commitments. 4. A lift not meeting the above
criteria shall also be designated critical if mishandling or dropping of the load
would cause any of the above noted consequences to nearby installations or
facilities.” (See
ES&H Manual
Chapter 6141 Appendix T4 Hoisting and Rigging Operations.) |
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critique |
||||||||||||||||||||||||||||||||||||||
cryogen |
||||||||||||||||||||||||||||||||||||||
curie (Ci) |
Unit of radioactivity
equivalent to 37 billion disintegrations per second. |
|||||||||||||||||||||||||||||||||||||
cutting |
The
act of shearing, slicing, or shaping metal (usually using
cutting torches or powered tools) that produces hot edges or fragments. |
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daisy chain |
||||||||||||||||||||||||||||||||||||||
danger tag |
A specific type of
tag (and
the only authorized tag) used as the official warning tag for maintenance and
repair LO/TO at Jefferson Lab. It is
used to warn people not to tamper with equipment that has the potential for a
hazardous release of energy. Each tag
must carry the printed name of the person who placed the tag. Below is a typical tag. |
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declared pregnant worker |
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decontamination |
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deep dose equivalent |
The dose equivalent derived from
external radiation at a depth of 1 cm in tissue. |
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Defense in-depth control |
A safety control established to provide protection beyond that afforded by a credited control; or to mitigate other lesser hazards that are categorized as acceptable (or in some cases tolerable). |
|||||||||||||||||||||||||||||||||||||
deliverable |
A product or service delivered to fulfill a
contract. |
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deluge system |
Special-purpose extinguishing system for a
limited-size, high-hazard area with a limited quantity of extinguishing
agent. |
|||||||||||||||||||||||||||||||||||||
derived air concentration (DAC) |
||||||||||||||||||||||||||||||||||||||
derived air concentration (DAC)-hour |
The
product of the concentration of
radioactive material in air (expressed as a fraction or multiple of the DAC
for each radionuclide) and the time of exposure to that radionuclide, in
hours. |
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Design Authority |
Engineer designated by a Division to be
responsible for pressure system design, fabrication, and testing. |
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design review |
||||||||||||||||||||||||||||||||||||||
designated inspector |
A person who, on the basis of training,
experience, and qualifications, has been designated to perform inspection
duties in his/her area of expertise. |
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dewar |
||||||||||||||||||||||||||||||||||||||
direct electrical hazard |
A potential source of injury resulting from the
flow of electrical energy through a person (electrical shock and burns). |
|||||||||||||||||||||||||||||||||||||
disposition standard |
The retention period or length of time that
records are kept. |
|||||||||||||||||||||||||||||||||||||
diversity |
Using different technologies to accomplish a given
task, such as beam shutdown. |
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document |
Information and its supporting
medium, which can be paper, magnetic, electronic or optical computer disc,
photograph or master sample, or any combination thereof. Jefferson Lab utilizes three
separate categories of controlled documents: · Class I – Reviewed and approved by the DOE/ TJSO under contractual or regulatory requirements. · Class II – Approved by the Laboratory Director and his designees. · Class III – Address Risk Codes of > 2 or determine the actions of more than one work group, and are approved by affected management and, if applicable, Subject Matter Experts. |
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document hierarchy |
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DOE Contracting Officer (CO) |
The person designated by the DOE as having DOE
approval authority for matters pertaining to the Jefferson Lab contract. |
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DOE ES&H Program Manager (PM) |
The person designated by the DOE to have approval
authority with the CO for matters pertaining to the WSS (Work Smart
Standards) if there is a potential change in the level of protection in
environment, safety, or health. |
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DOE reportable occurrence |
Any
unusual or unplanned event that has or could adversely affect public health;
the performance, reliability, or safety of a facility; or the environment, as
described in ES&H Manual Chapter 5300 Appendix T1
Occurrence Reporting to Department of Energy (DOE) and Notification Procedure. Reportable occurrences are classified by
their potential for personal injury, environmental damage, and/or equipment
loss. Additional information on the
occurrence categorization process is available in DOE Manual 231.1-2. |
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dose |
1.
Term
used to
include absorbed dose, equivalent dose, effective dose, committed equivalent
dose, committed effective dose, or total effective dose as defined in 10CFR835. 2. Generic term applied to
quantities such as dose equivalent and its derivatives, and somewhat less
formally to exposure. |
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dose equivalent |
The absorbed dose measured at a point multiplied
by a Quality Factor that accounts for the relative biological damage of the
specific type of radiation. |
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dose equivalent rate |
Dose equivalent divided by the time period. |
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dose tracking |
The use of supplemental, direct reading
dosimeters (or other equivalent means) for purposes of assessing, tracking
and managing radiation exposures associated with a particular work activity. |
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effective dose equivalent (HE) |
For purposes of compliance
with 10 CFR 835, deep dose equivalent to the whole body may be used as
effective dose equivalent for external exposures. The effective dose equivalent is expressed
in units of rem (or sievert). (See “effective dose”) |
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effective dose |
The summation of the products of the equivalent
dose received by specified tissues or organs of the body (HT) and the
appropriate tissue weighting factor (wT)—
that is, E = ΣwTHT. It includes the dose from radiation sources
internal and/or external to the body. (See
“effective dose equivalent”). |
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effluent |
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Electrical Authority Having
Jurisdiction (EAHJ) |
An entity authorized by Jefferson Lab and approved by the Thomas
Jefferson Site Office that makes decisions regarding relevant regulations,
codes, and standards used to develop practices and procedures that protect
both qualified and unqualified persons
from exposure to hazards associated with electrical work. This entity also reviews requests for
clarification, interpretation, or equivalency to requirements and grant
exemptions where it is assured that equivalent safety is achieved by the
deviation. |
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electrical power distribution |
The arrangement of feeders,
transformer substations, electrical panel boards, and circuit breakers that
supply electrical power to end user connection points. |
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electrical system |
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electrically safe work
condition |
An equipment condition where
sources of energy are removed; the disconnecting means is under one of the
lock/tag/try methods, the absence of voltage is verified by an approved
voltage testing device, and, where applicable, temporarily grounded. NFPA 70E Article 120 provides details. |
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electronic |
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embedded laser |
An enclosed laser with an
assigned class number that is higher than the inherent capability of the
laser system in which it is incorporated.
When hazard ranking the laser, the system’s lower classification is
appropriate due to the engineering features limiting accessible emission. |
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Emergency Manager |
Responsible for ensuring that Laboratory staff
maintains an appropriate level of readiness for on-site emergencies,
including the development and maintenance of pre-plans, preparations and
other resources. Provides direct
consultation and support to members of the Emergency Management Team and
other planning or response teams. |
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Emergency Management |
The
process an
organization uses to prevent, mitigate, and recover from emergencies. Consists of planning, preparing,
responding, and readiness assurance activities. |
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Emergency Planning |
Developing
and preparing emergency
plans and procedures; identifying necessary personnel and resources to
provide effective responses in the event of an emergency. |
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Emergency Preparedness |
The training of personnel; acquiring and
maintaining resources; exercising the plans, procedures, personnel, and
resources essential for emergency response. |
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Emergency Response |
Implementation of emergency plans. Includes the decisions, actions, application
of resources, and recovery. |
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emergency responder |
Trained,
professional emergency medical and firefighter personnel. |
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Emergency Warning Siren
(Outdoors) |
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employee (Synonym: staff) |
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employee exposure record |
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employee medical record |
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enclosed laser |
A laser or laser system located
within a protective housing so that access to laser radiation above the MPE (maximum
permissible exposure) limit is precluded.
Opening, damaging, or removing the protective housing provides
additional access than is possible with the protective housing in place and
could expose workers to laser radiation above the applicable MPE. (An embedded laser is an example of one
type of enclosed laser.) |
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Energized
Electrical Work Permit (EEWP) |
A
document, approved by the Laboratory Director, to justify the need for doing
Mode 3 manipulative work with the equipment energized. A Work
Control Document including a formal Task
Hazard Analysis; hazard control boundaries; Personal
Protective Equipment (PPE); and specific
steps to accomplish the task are developed and approved by the Associate
Director/Division Manager (of group requesting the EEWP). Worker qualifications
and any unusual aspects of the work are included. (See ES&H Manual Chapter 6220
Appendix T1 Energized Electrical Work Permit (EEWP) – Instructions) |
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energy-draining
device |
A physical device
that channels the transmission or release of energy (e.g., grounding rods and
vent valves). |
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energy-isolating
device |
A mechanical device
that prevents the transmission or release of energy. Circuit breakers,
disconnect switches, and line valves are examples of energy-isolating
devices. Push buttons, selector
switches, and other control circuit type devices are not energy isolating
devices. |
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engineering controls |
Measures designed to eliminate or reduce
exposure to a physical hazard through the use of engineered machinery or
equipment without
active involvement of personnel. (These controls do not include HVAC systems.) Components and systems that
reduce airborne radioactivity and the spread of contamination by using
piping, containments, ventilation, filtration, or shielding. |
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entry |
Occurs
when any part of the body
breaks the plane of a confined space opening. |
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entry supervisor |
The
individual responsible for determining if acceptable entry conditions are
present at a PRCS when entry is planned, authorizing entry, overseeing entry
operations, and terminating entry.
(Note that the entry supervisor may not be the individual’s Supervisor.) |
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environment |
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environmental aspect |
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environmental aspect category |
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environmental aspect,
significant |
Any feature of an organization’s activities,
products, or services that can interact with the environment and has or can
have a considerable impact on the environment. |
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environmental baseline |
The approved description of
chemical, biological, physical, and radiological characteristics (determined
primarily through groundwater monitoring) that represents the starting level
for evaluating Jefferson Lab’s effect on the environment. |
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environmental impact |
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environmental management
procedure (EMP) |
A Standard Operating Procedure (SOP) that documents Jefferson
Lab’s EMS management procedures. |
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Environmental Management System
(EMS) |
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environmental monitoring |
||||||||||||||||||||||||||||||||||||||
environmental performance
measure |
Measurable results of the EMS,
related to an organization’s control of its environmental aspects, based on
its environmental program, objectives, and goals. |
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Environmental Protection Agency
(EPA) |
The federal
agency that represents the executive department in protecting the nation’s
environment. Their realm includes
surface water, groundwater, land, geological resources, and air
resources. The EPA is involved in
research and development, developing regulations, enforcing regulations,
providing information, educating the nation, and investigating issues. (40 CFR series) See http://www.epa.gov/ |
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environmental
surveillance |
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environmentally harmful
material (EHM) |
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equipment |
A general term used
to describe a mechanical or electrical machine or system that may require
maintenance or repair. |
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equivalent dose |
The
product of average absorbed dose (DT,R)
in rad (or gray) in a tissue or organ (T) and a radiation (R) weighting factor
(wR). For external dose, the equivalent dose to the
whole body is assessed at a depth of 1 cm in tissue; the equivalent dose to
the lens of the eye is assessed at a depth of 0.3 cm in tissue, and the
equivalent dose to the extremity and skin is assessed at a depth of 0.007 cm
in tissue. (See “dose equivalent”). |
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Anyone having the appropriate training and authorization to enter the area(s)
being visited. (Exception: Subcontract employees are allowed to
provide escort services for deliveries of materials only, unless otherwise
defined within their contract.) |
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ESH&Q Reporting Officer |
The person with direct responsibility
for categorizing and communicating all DOE reportable occurrences. This person is responsible for determining
if incidents meet the ORPS reportability threshold, as well as the specific
codes for severity and classification.
(See ES&H Manual Chapter 2210 Appendix R1 Staff
Assigned to ES&H Activities for contact information.) |
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essential personnel |
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Evacuation Drill Coordinator |
Prepares
and performs evacuation
drills in assigned buildings in accordance with ES&H Manual – Fire
Protection Supplement – Chapter 9: Evacuation Drills. |
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event (see also: incident) |
2. Inspection activities that are
generally scheduled and performed by in-house staff, on a regular basis, on
behalf of upper-level management or to monitor safety requirements. (Includes: ES&H Department Inspections,
ESAF Walkthroughs, Laser Safety Inspections, Safety Warden Monthly and
Quarterly Inspections, Observations by External Sources, Management, Staff,
or Workers) 3. An occurrence that results in
an undesired workplace incident that causes injury, illness, property or
equipment damage, environment concern, or disruption of operations. (Includes: First-aid, Occurrence, or
Notable Event) (See ES&H Manual Chapter
5200 Event Investigation and Causal Analysis Process.) |
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Event Owner |
The
person responsible
for ensuring that all issues are completed and closed before the related
event is submitted for closure. |
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examination |
||||||||||||||||||||||||||||||||||||||
examiner |
A person
qualified and certified to perform examination duties. |
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excavation |
||||||||||||||||||||||||||||||||||||||
excluded vessels |
Pressurized vessels that do not
fall within the scope of the ASME Pressure Vessel Code. The ASME Code specifically excludes: Vessels having an internal or external
operating pressure not exceeding 15 psi; Vessels having an inside diameter,
width, height, or cross section diagonal not exceeding 6 inches; Machinery
such as pumps, compressors, turbines, generators, and engines; Most piping
systems or structures whose primary function is the transport of fluids from
one location to another within a system of which they are an integral part;
Vessels with a nominal water-containing capacity of 120 gal or less for
containing water under pressure, including those containing air that is
compressed to serve as a cushion; Hot water supply storage tanks heated by
steam or any other indirect means, limited to 120 gallons, 210°F, and a heat input of 200,000
BTU/hr; Department of Transportation (DOT) regulated cylinders and dewars. |
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exclusion area |
An area which all personnel must evacuate before
electron beam can be transported through (e.g. the accelerator tunnel, BSY,
experiment halls, and FEL Vault). |
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exempt vessel |
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Experiment Operations Envelope
(EOE) |
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Experiment Safety Approval Form
(ESAF) |
Document
prepared by the Lead Scientist of a User Group that details all non-standard
safety hazards associated with a User experiment. It is submitted after scientific approval
of the experiment by the FEL Technical
Advisory Committee
(TAC) and assignment of beam time by the FEL Program Manager. (See ES&H Manual Chapter
3130 Appendix T1 FEL Experiment Safety Approval Form – Instructions.) |
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Experimental Safety Assessment
Document (ESAD) |
This
document describes identified hazards of an experiment and the measures taken
to eliminate, control, or mitigate them.
Particular attention must be paid to the analysis and evaluation of
conditions that may pose special safety problems. It includes the Safety Analysis and reviews
or defines the Safety Envelope for the equipment; it references the Radiation Safety Assessment Document (RSAD),
which documents the experiment operations envelope and addresses ES&H
issues associated with direct and induced radioactivity. (See Typical
Outline for a Preliminary Experiment Safety Assessment or an Experiment
Safety Assessment Document.) |
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exposure |
||||||||||||||||||||||||||||||||||||||
exposure incident |
Any contact with blood or other
potentially infectious material that results from
the performance of an employee’s duties.
For example, a specific exposure involving eye, mouth, other mucous
membrane, parenteral, or non-intact skin contact. |
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exposure rate |
The
rate of exposure to external sources of ionizing radiation, usually measured
in units of microRoentgen
per hour (μR/hr). 1 Roentgen refers to the amount of photon
radiation required to produce ions carrying 1 electrostatic unit of
electrical charge (2.08 billion electrons) in 1 cubic centimeter of air at
standard temperature and pressure. |
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external
dose or exposure |
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external standard invoked by
law |
A standard generated by an
organization other than JSA where at least some of the provisions in the
standard are required by a law or regulation. |
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external standard not invoked
by law |
A standard generated by an
organization other than JSA where none of the provisions in the standard are
required by a law or regulation. JSA
may elect to use such a standard to further improve work processes or control
hazards. |
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extremely hazardous substance
(EHS) |
Any of 406
chemicals identified by the EPA to be potentially hazardous to
life and health if released. If
present on-site in quantities exceeding the regulated threshold planning
quantity (TPQ) the facility shall notify local Emergency Planning and
Response Group (EPGs) under EPCRA.
EHSs are listed in 40 CFR 355 (Appendices A and B). |
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eyewash |
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facility |
A building, portable structure,
its immediate site, and/or the characteristic operations and apparatus within
it. |
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Facility Manager |
See ES&H Manual Chapter
2210 Appendix R1 Staff Assigned to ES&H Activities. |
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fail-safe |
Describes a system or device that is designed to not cause harm when it fails, and the resulting condition or operational mode is safe. (e.g. “fail-safe interlock” is
a mechanism through which the failure of a single mechanical or electrical
component of the interlock causes the laser system to go into, or remain in,
a safe mode.) |
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FEL Accelerator Physics Manager |
Responsible for design and
operation of the accelerator for the FEL.
The Manager plans and coordinates accelerator physics measurements and
serves as the primary interface for any modifications, upgrades, etc., to the
accelerator system. |
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FEL Operations Directives
Supplement (FELODS) |
Describe
compliance with applicable guidelines, including operations programs,
procedures, and documentation. (See Free
Electron Laser Operations Directives Supplement to the Accelerator Operations
Directive) |
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FEL Physics Advisory Committee
(FEL PAC) |
||||||||||||||||||||||||||||||||||||||
FEL Technical Advisory
Committee (FEL TAC) |
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files custodian |
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filler metal |
The
metal or alloy to be added in making a welded, brazed, or soldered joint. |
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final control element |
||||||||||||||||||||||||||||||||||||||
The document containing the results of a safety analysis
for the Jefferson Lab accelerator facility pertinent to understanding the
risks of the proposed undertaking. This document includes formal
limits for exposures to radiation and addresses oxygen deficiency hazards. |
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fire alarm control panel (FACP) |
An electronic console that
provides a visual indication of the system status and serves as a diagnostic
point for connected circuits. |
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fire classifications |
Letter designations given to
each of the major types of fires. |
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fire detection system |
An engineered system of devices
that automatically detects heat, smoke, or other products of combustion and
actuates an alarm. |
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fire extinguisher rating |
An indication of which class or
classes of fires a given extinguisher may be used against. |
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fire suppression system |
A mechanical system that
detects a fire, actuates an alarm, and suppresses the fire. |
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fire watch |
National Fire Protection
Association – NFPA 101, Fire Watch states: “The
assignment of a person or persons to an area for the sole purpose of
notifying the fire department, the building occupants, or both of an
emergency; preventing a fire from occurring; extinguishing small fires; or
protecting the public from fire or life safety dangers.” |
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fire-rated |
The time, in minutes or hours,
that materials or assemblies have withstood a fire exposure in accordance
with test procedures of NFPA 251, Standard Methods of Fire Tests of Building
Construction and Materials. |
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Fires Class A |
Ordinary combustibles like
paper, wood, cloth, and many plastics |
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Fires Class B |
Flammable liquids like oil,
gasoline, paints, and solvents |
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Fires Class C |
Electrical equipment and wiring |
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Fires Class D |
Combustible metals like
magnesium and sodium |
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first aid |
||||||||||||||||||||||||||||||||||||||
first-line protection |
The primary protective system
provided to prevent physical contact with energized equipment. Covers, shielding, and enclosures are
examples of first-line protection. |
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flame arrestor |
A device which inhibits the
propagation of a flame. |
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flammable gas |
Any gas
or gas mixture that will ignite in a 13% or lower concentration with air at
14.7 psia
and 68°F. |
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flammable liquid |
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flammable solid |
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forklift attachment |
Any
modification or addition to a forklift that affects its capacity, stability,
or safe operation. |
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functional requirements
specification |
The application-specific
requirements of a safety interlock system.
These may include: 1) reliability requirements from the hazard
analysis, 2) definition of the safe state of the process, 3) process inputs
to the safety interlock system and their set point and limit values, 4)
response time, 5) human-machine interfaces, 6) safety interlock system
outputs and their actions, 7) logic and math functions, including any
permissive required for proceeding, and 8) reliability requirements to
minimize spurious trips. |
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gas metal arc welding (GMAW) |
The
welding torch has a center consumable wire that maintains the arc as it melts
into the weld puddle. (Also known as Manual Inert Gas (MIG)
welding. |
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gas tungsten
arc welding (GTAW) |
The arc is established between a
non-consumable tungsten electrode and the work piece producing the heat to
melt the abutting edges of the metal to be joined; filler rod may also be
used. Argon or helium is fed into the
annular space around the electrode to maintain the inert environment. (Also known as tungsten
inert gas (TIG) welding). |
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gas-tight goggles |
Goggles
that do not have any pores for vapor infiltration and consequently may fog
up. |
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gauss (G) |
Unit of measurement
for magnetic flux density: 10,000 G =
1 Tesla (T). |
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General Employee Radiation
Training (GERT) |
The
radiation safety awareness course required of everyone at Jefferson Lab who
is not a radiation worker and does not take a more specialized Radiation
Worker course. (See http://www.jlab.org/div_dept/train/) |
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generator |
Any person at Jefferson Lab
whose act or process produces solid waste that qualifies as a regulated
medical waste or whose act first causes a solid waste to become a regulated
medical waste. |
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gestation
period |
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Graded
Approach |
A method used to determining the appropriate level
of analysis, management controls, documentation, or other necessary action(s)
to determine where and when resources are to be allocated to ensure items
and/or processes have the greatest effect upon personnel, environment,
safety, health, cost, data, equipment, performance, quality and schedule.
(See QA/CI
Department Graded Approach Procedure) |
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gray (Gy) |
SI unit of absorbed
dose. One gray is equal to an absorbed
dose of 1 joule per kilogram (100 rads). |
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grinding |
The act of
sharpening, shaping, or removing metal via abrasion; often using hand held
power tools. |
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ground-fault circuit
interrupter (GFCI) |
||||||||||||||||||||||||||||||||||||||
grounding |
||||||||||||||||||||||||||||||||||||||
grounding point |
The high-voltage contact point,
such as the terminals of a capacitor, where the grounding hook is to make
contact so as to release and dissipate a circuit’s stored energy. Such a
point shall be indicated by a yellow, circular marker. |
|||||||||||||||||||||||||||||||||||||
grounds, electrical |
Any designated conductor with
adequate capacity to carry potential currents to earth. Designated conductors may be building
columns or specially designed ground-network cabling, rack, or chassis
ground. Cold water pipes, wireways, and conduits shall not be relied upon as
electrical grounds. |
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grounds, massive |
Large areas of metal, concrete,
or wet ground that make electrical isolation difficult or impossible. |
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groundwater(1) |
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Group Lock, Tag,
and Try (LTT) or (group lockout/tagout) |
A
procedure used to secure a hazardous energy source when a group of
individuals (more than one) is assigned to perform service or
maintenance. This procedure affords
each individual protection equivalent to that provided by a personal lockout
or tagout device. (See ES&H Manual Chapter
6110 Appendix T3 Group Lock, Tag, Try (LTT) Procedure.) |
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Group Lock, Tag,
Try (LTT) Coordinator or (group lockout/tagout coordinator) |
An individual designated by management as responsible for
ensuring that all steps of the group LTT procedure are followed. This individual is specifically appointed
with overall responsibility to assure that all energy sources are under lockout
and tagout. The coordinator is
required to account for all persons working under the group lockout. (See ES&H Manual Chapter
6110 Appendix T3 Group Lock, Tag, Try (LTT) Procedure.) |
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Hampton Roads Sanitation
District (HRSD) |
The
regional, publicly-owned wastewater treatment facility system that handles
and monitors Jefferson Lab’s industrial wastewater discharges (IWDR). See http://www.hrsd.com/ |
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hazard |
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Hazard-based safety approach
(HBSA) |
A way to reduce risk of harm by addressing each hazard. This approach determines which undesirable
effects are to be avoided, the susceptibility to them, their conditions
and causes, and appropriate protection against them. |
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hazard class |
For
electrical equipment see ES&H
Manual Chapter 6230 Appendix T1 Determining Equipment Class and Work Modes - Table 1 – Electronic Work Hazard Classes and
Restrictions |
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hazard evaluation |
An evaluation performed by Industrial Hygiene, or other department as appropriate, to determine if an activity or area requires additional safety precautions to mitigate a hazard issue. Anyone at Jefferson Lab may request a hazard evaluation. If it is determined that additional precautions are required the evaluator informs the supervisor/subcontracting officer’s technical representative (SOTR)/sponsor of the hazard, who then informs affected individuals and ensures that mitigation requirements are implemented. |
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hazard issue |
A hazard
identified as applicable to Jefferson Lab that requires a formal procedure to
establish an adequate level of protection. Jefferson
Lab has established standards and practices to address identified hazard
issues. See ES&H Manual Chapter
2410 Appendix T1 Hazard Issues List for the current listing of recognized
hazard issues. |
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hazardous chemical (HC) |
Any chemical that
poses a physical or health hazard as defined by OSHA regulations (29 CFR
1910.1200). There is no definitive
list, but TPQs for hazardous chemicals are established. |
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hazardous material (HazMat) |
A material
that has been determined to be capable of posing unreasonable risk to health,
safety, and/or property and requires special care in handling. The term includes hazardous substances,
hazardous wastes, marine pollutants, and elevated temperature materials. Hazardous materials are listed in 49
CFR 172
– Subpart B – Table of Hazardous Materials and Special Provisions. |
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hazardous substance (HS) |
A substance,
designated by regulation, that could harm people or the environment,
including compounds, mixtures, hazardous wastes, toxic pollutants, and
hazardous air pollutants. HSs are
listed in 40
CFR 302.4
– Designation of Hazardous Substances. |
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high
contamination area |
Any area, accessible to individuals, where removable surface
contamination levels exceed or are likely to exceed 100 times the removable
surface contamination values specified in 10
CFR 835. |
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high current power source |
A source low voltage source
,with a designed or related output current of greater than 110 Amperes to a
designed, or with a rated output power greater than 5KVA (volt-amperes). |
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high-performance work team
(HPWT) |
· Identified problem(s), scope, objectives, and deliverables · Team charter or mission · Discussion topics · Workshop activities such as issues concerns, ideas for solutions or improvement, action items, etc. Less formal processes such as standing committees, having a charter and goals, are also acceptable forms of a HPWT assuming meeting minutes and actions are captured. Documentation is the key to claiming credit for a HPWT. Therefore, documenting the process and results by an executive summary report or through committee meeting minutes is paramount. |
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high radiation area |
Part
of a radiologically controlled area where the radiation dose rate is between
100 and 5,000 mrem/hour. A high radiation area is specially
designated and posted. For high radiation
areas where the radiation dose rate is greater than 1000 mrem/hr,
access points are locked and guarded. |
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highly toxic |
A chemical that falls within
any of the following categories: a)
has an LD50 of 50 milligrams or less per kilogram of body weight; b) a
chemical that has an LD50 ≤ 200 milligrams per kilogram of body weight
when administered by continuous contact with the skin for 24 hours; c) a
chemical that has an LC50 in air of 200 ppm by volume or less of gas or
vapor, when administered by continuous inhalation for one hour. |
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hiring manager |
The Jefferson Lab employee who
writes the posting, job description, and list of requirements to fill a
vacant position. The hiring manager
normally makes the final decision on which candidate to hire. |
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hoist |
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hook |
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hot spot |
Localized source of
radiation or radioactive material normally within facility piping or
equipment. The radiation levels of hot
spots exceed the general area radiation level by more than a factor of 5 and
are greater than 100 mrem (1 mSv) per hour on contact. |
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hot work |
Work that
creates high heat, sparks, or open
flames and presents a risk of starting a fire. Examples are welding, brazing, some cutting, and grinding. |
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Hot Work Permit (HWP) |
The primary
tool used to prevent fire at Jefferson Lab (Click
for Form). This permit is required for any work activity that uses an open flame (greater than a BIC
lighter), including welding,
brazing; or spark producing
grinding or cutting operations, unless it is performed in an area established
as a weld shop by an Operational
Safety Procedure
(OSP). (See ES&H Manual Chapter 6900
Appendix T1 Fire Protection: Hot Work Permit) |
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Hurricane Preparedness
Condition (HPC) Checklists |
Lists
of actions necessary for timely preparation for hurricanes, or other devastating
weather event, to minimize damage to people, equipment, and property. All major buildings at Jefferson Lab have
individualized checklists. These are
reviewed and revised annually.
Checklists are organized in accordance with hurricane forecasts and
preparation level. A complete set of
checklists is available at http://www.jlab.org/intralab/emergency/weather/index.html. |
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Hurricane Preparedness
Condition 1 (HPC-1) |
The National
Weather Service
has determined that Hurricane Season is from June 1 through November 30. During this time Jefferson Lab elevates its
awareness status to Hurricane Preparedness Condition 1 (HPC-1) and commences
continuously monitoring of the weather forecast to ensure that laboratory
operations are adequately protected should an actual event occur. |
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Hurricane Preparedness
Condition 2 (HPC-2) |
The National Weather Service has determined that when sustained winds of 74 mph or higher are possible
within a specified area a hurricane watch is issued 48 hours in advance of
the anticipated onset of tropical-storm-force winds. When this happens Jefferson Lab elevates
its status to Hurricane Preparedness Condition 2 (HPC-2) and commences
pre-shutdown activities. |
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Hurricane Preparedness
Condition 3 (HPC-3) |
The National Weather Service has determined that when sustained winds of 74 mph or higher are expected
within the specified area a hurricane watch is issued 36 hours in advance of the
anticipated onset of tropical-storm-force winds. When this happens Jefferson Lab elevates
its Hurricane Preparedness Condition Status to 3 (HPC-3) and commences
shutdown activities. |
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immediately dangerous to life
and health (IDLH) |
A condition
that does, or will, pose a threat of immediate or delayed adverse health
effects; or prevents escape from such an environment. NIOSH developed these
guidelines for use by Industrial Hygienists to determine appropriate
respirator use. |
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imminent danger |
“…any
conditions or practices… which are such that a danger exists that could
reasonably be expected to cause death or serious physical harm immediately or
before the imminence of such danger can be eliminated through the enforcement
procedures otherwise provided...” Per OSHA
Imminent Danger Section 13a. |
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impact goggles |
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implementation |
The actual methods by which a
requirement is met. |
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incident (or accident) |
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indirect electrical hazard |
A potential source of injury
resulting from electrical energy that is transformed into other forms of
energy (e.g., radiant energy such as radio-frequency energy, light, heat, or
energetic particles; magnetic fields; chemical reactions such as fire,
explosions, the production of noxious gases and compounds; involuntary
muscular reactions; and mechanical movement of electrically powered
equipment). |
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Induced radioactivity |
The interaction of
the accelerator beam with magnets, beam line components, targets, detectors, other
experimental area equipment, and beam dumps can cause the formation of
radioactive materials through activation (induced
radioactivity). Activated
materials continue to emit radiation after the accelerator has been shut
off. The potential for activation to
occur exists to some extent in most areas of the CEBAF accelerator and the
FEL. |
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inspection |
A
process, performed by one or more qualified
person,
of examination of a target area, including its components, structures,
systems, practices, and operations, against the standards and expectations
described in the appropriate chapter of the Jefferson Lab ES&H Manual or
its references including OSHA regulations. Performance of this process requires: ·
Knowledge
of the ES&H Manual and its referenced standard(s); ·
Observation
of the applicable item/action attributes; ·
Comparison
with the related standard(s) or expectations; ·
Determination
of appropriate conformance/performance; and ·
Documentation
and reporting of the results. Quality
assurance functions performed by an inspector, including verification of the
performance of nondestructive examinations and pressure tests. Inspection shall also include verification
that the pressure system satisfactorily conforms to all applicable
examination requirements of the code and of the engineering design. |
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inspector |
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institutional training |
ES&H
courses that have been developed and are offered to meet the common needs of
the laboratory. These
include ES&H-related training directed at a single organization or type
of job. |
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integrated into work |
Included in the actual process
of planning and performing work. |
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Integrated Safety Management
(ISM) |
The DOE approach for systematically
integrating safety into management and work practices at all levels so that
missions are accomplished while protecting the public, the worker, and the
environment. http://www.jlab.org/ehs/ISM/ |
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Integrated Safety Management
(ISM) Plan |
Provides a formal, organized process whereby people
plan, perform, assess, and improve the safe conduct of work efficiently and
in a manner that ensures protection of workers, the public, and the
environment. This management system is
used for ISM implementation to systematically integrate safety into
management and work practices at all levels so that missions are accomplished
while protecting the public, the worker, and the environment.
At Jefferson Lab, the system includes, but is not limited to, safety
and environmental requirements and processes contained in Jefferson Lab
program documents (i.e., ES&H Manual, Environmental Management System
Plan, Quality Assurance Plan, Radiation Protection Program), their
implementing procedures (i.e., QA procedures, EM procedures) and project
specific procedures (i.e., OSPs, Accelerator Operations Directives). |
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interlock |
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internal
dose or exposure |
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ionizing radiation(1) |
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isolated closed loop cooling
system |
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issue |
(Observations
or opportunities-for-improvement, provided within formal event
documents, that are not deviations from requirements, may be considered
issues based on the discretion of Management). |
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Jefferson Lab’s
information database that contains, among other applications, ES&H course
completion, as well as current SRLs. JLIST and LMS
synchronize daily. |
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Job Task Analysis (JTA) |
A tool that
creates a Skills Requirements List (SRL) for an individual based on
the answers to a series of questions about job(s), work hazards, and
administrative responsibilities. (See https://mis.jlab.org/mis/apps/training/ejta/index.cfm) |
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job-related injury/illness |
An injury or illness that
occurs by accident and arises in the course of employment. A job-related injury must occur at some definite
time and place on Jefferson Lab property or on behalf of Jefferson Lab’s
interests. Job-related illnesses are
considered certain specific disorders caused by environmental conditions in
the workplace. |
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job-specific training |
Training
in support of skills, knowledge, and ability unique to a particular job,
operation, or task that is customarily provided for the benefit of a
comparatively small number of people. Supervisors
typically provide this type of training, although, in some instances,
Jefferson Lab may use designated expert co-workers, off-site, or contracted
training providers. (This may be the
case with new or proprietary equipment, for example.) |
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laser |
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laser controlled area |
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laser hazard classification |
A
numbered system used to describe a laser’s capability to injure
personnel. The classification system
is defined by ANSI
Z-136.1. |
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Laser Operational Safety
Procedure (LOSP) |
A Work
Control Document,
with a limited effective life of three years or less, that follows the
standard format specified in ES&H Manual
6410 Appendix T1 Laser Operational Safety Procedure. LOSPs
address hazard issues associated with laser light of
Class 3 and Class 4 and provides mitigation measures, procedures, and
reference documentation for areas of concern.
These include, but are not limited to, the FEL User Labs. An LOSP is generally written by the Laser
System Supervisor for the area. It is
approved by the Laser
Safety Officer. (A current listing of LOSPs may
be found at: https://jlabdoc.jlab.org/docushare/dsweb/View/Collection-1917) |
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Laser Operations Directives
(LOD) |
Describes compliance with
applicable guidelines, including operations programs, procedures, and
documentation. |
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laser personnel/user |
Qualified
person who is directly involved in the
operation of the laser or who is present in a laser-controlled area during
laser operation. |
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Laser
Safety Officer (LSO) |
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laser system |
A laser
and its energy source, with or without additional incorporated components. |
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Laser System Supervisor (LSS) |
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latch |
A mechanical device to close
the throat opening of the hook. |
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LC50 |
The concentration of a toxic
substance in air that causes death in half the test animal population under
controlled administration. |
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LD50 |
The dose or amount of a toxic
substance that causes death in half the test animal population under
controlled administration either by ingestion or skin contact. |
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lead mechanical
engineer/responsible designer |
Engineer designated by a
Division to be responsible for pressure vessel construction/design. |
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lead scientist |
Spokesperson for each
experiment who works closely with a Jefferson Lab staff member providing a
direct path of communication between the experiment, the division, and the
support groups. The Lead Scientist
helps prepare memoranda of understanding and coordinates experiment
installation. In ES&H matters, the
Lead Scientist works with the FEL Facility Manager to ensure the safe
installation and operation of the equipment.
The Lead Scientist also serves as the ES&H review coordinator and
facilitates the review procedure. This
person is also responsible for preparation of the experiment’s Test Plan. |
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leak test |
Hydrostatic Leak Test Pneumatic Leak Test Hydrostatic-Pneumatic Leak Test Initial Service Leak Test Sensitive Leak Test Alternative Leak Test The
reader is directed back to the code for specific requirements that pertain to
each kind of test. |
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Learning Management System
(LMS) |
A completely web-based learning management
system that maintains all SRLs and synchronizes data
with JLIST daily. |
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lecture bottle |
A small, compressed gas
cylinder, typically less than 10 liters gas volume (this does not include dewars used for cryogenic fluids). |
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legacy pressure systems |
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lethal service |
Vessels containing poisonous
gases or liquids of such a nature that a very small amount of the gas or of
the vapor of the liquid, mixed or unmixed with air, is dangerous to life when
such gases are inhaled or when persons come in contact with the liquid. |
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life-safety |
Features of building
construction and operations that ensure safe egress and that minimize the risk
to occupants from fire and explosion.
National consensus codes define life-safety provisions and practices. |
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line employee |
JSA employee who directly
produces a deliverable that is part of Jefferson Lab’s reason for existence. |
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line manager |
Any management level within the line
organization, including contractor management, that is responsible and
accountable for directing and conducting work. (See Supervisor) |
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lines of inquiry (LOI) |
One or more items or questions that provide consistent objective
guidance to the assessor. |
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load – electrical |
The electrical device or
circuit having resistive and/or reactive impedance that consumes electrical
energy from the power source. A
printed circuit board or module is generally considered a single load. However, crate systems, capable of powering
one or more modules or printed circuit boards within a single chassis are a
unique special case. For such crate
systems the backplane, its conductors and connectors, and installed boards or
modules are all to be considered as a single load to the power source. The power source conductors are considered
to terminate at the point of backplane connection. |
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load – weight |
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load path |
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load shadow |
The area
beneath the load path that is kept clear of personnel during the movement of
the load. |
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lock, tag, and try (LTT) |
The
approved method for securing hazardous energy sources and thereby making them
safer for work. (See ES&H Manual Chapter
6110 Lock, Tag, Try (LTT) Program.) |
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lock, tag, and try (LTT) danger tag |
A
warning tag for maintenance/repair LTT at Jefferson Lab. It is used to warn people not to tamper
with equipment that has the potential for the hazardous release of
energy. Each tag must carry the
printed name of the person who placed the tag. (See danger tag above.) (See ES&H Manual Chapter
6110 Lock, Tag, Try (LTT) Program.) |
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lock, tag, and try (LTT) lock |
A specific
lock used only for LTT purposes supplied by Jefferson Lab. It has a laminated-body construction with a
color plastic band at the bottom and attached with a DANGER/WARNING label. Below is a
typical lock. (See ES&H Manual Chapter
6110 Lock, Tag, Try (LTT) Program.) |
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lockout |
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lockout lock |
A specific lock
used only for lockout purposes. Our
maintenance/repair locks have a laminated-body construction with a colored
plastic band at the bottom and a label with the owner’s name. Different sizes and shackle lengths are
available to accommodate our many LTT
applications. |
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lockout mechanism |
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lockout/tagout (LO/TO) |
A
term used to refer to either
a lockout, a tagout, or the
combination of both. (See ES&H Manual Chapter
6110 Lock, Tag, Try (LTT) Program.) |
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low-pressure enclosures |
A class of vessels and piping not covered by an
ASME pressure vessel or piping code, but potentially stores energy in excess
of 100 kJ. For the purposes of the
welding program, this occurs when the product of its maximum internal or
external pressure and its internal volume (P x V) exceed 40 atmospheres*cubic
feet (atm*ft3). Vacuum
piping exceeding this product AND having an inner diameter, width, height, or
cross section exceeding 12 inches is considered to be a low-pressure enclosure. |
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lower-tier subcontractors (see: subcontractor) |
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magnetic flux density (β) |
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maintenance/repair
lockout/tag out |
Procedures used to prevent
the unwanted release of energy or equipment from operating during
fabrication, installation, maintenance, service, or repair. This includes diagnostic and test
procedures. |
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managing division |
The division that has daily
operational control over a subcontractor’s operation. This includes control over quality,
performance, adherence to technical and ES&H specifications, and
authorization for payment. |
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manipulative operations |
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manual inert
gas (MIG) welding |
The
welding torch has a center consumable wire that maintains the arc as it melts
into the weld puddle. (Also known as Gas
Metal Arc Welding (GMAW). |
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material |
Equipment, components, chemicals, products,
and hardware, including but not limited to fasteners, structures, and
consumables. |
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material handling equipment
(MHE) |
Equipment
used for lifting, lowering, shifting, or otherwise moving materials. Jefferson
Lab uses cranes, hoists, and forklifts to support and transport loads within
designated areas, vertically or horizontally.
Testing, labeling, and certification can be found in ASME B30.20. |
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material safety data sheet
(MSDS) |
Key to the
hazard communication (HAZCOM) program.
The MSDS includes detailed information on the material such as hazard
characteristics and proper handling procedures. MSDSs can be found on-line http://jlab.complyplus.com/search/default.asp
|
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maximally exposed individual |
Hypothetical person in the
general population who receives the highest dose from a facility, generally
from all possible pathways. This individual
is used for purposes of comparison with dose limits for the average person. |
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maximum credible fire loss
(MCFL) |
Property and content damage
from a fire, assuming that the fire-suppression systems worked as designed. |
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maximum permissible exposure
(MPE) |
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maximum possible fire loss
(MPFL) |
The total value of the
structure and contents within a potential fire area. This assumes that there is no automatic
fire suppression or firefighting efforts. |
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medical certification |
A written statement from the
physician that attests to the ability of an employee to perform certain
defined tasks without undue risk to his or her health or to co-workers. |
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medical monitoring |
Refers
to recurring or periodic examinations or diagnostics associated with specific
exposure to special hazards. See ES&H Manual Chapter
2410 Appendix T1 Hazard Issues List. |
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memorandum of understanding
(MOU) |
An agreement between a group of
experimenters and the Jefferson Lab Director that sets forth the commitments
of the parties involved throughout the experiment. |
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microwave |
Electromagnetic
radiation with frequencies in the range of 300 MHz - 300 GHz. |
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modified duty |
A modification of normal work activities
to meet physical restrictions specified by the treating physician. This may include activity restrictions,
time limitations, and special provisions for work areas. |
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monitoring |
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Mrem |
The unit of
measure millirem
(or thousandth of a rem). See rem. |
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multiplicity |
Using two or more methods of
fundamentally different natures to mitigate a hazard. |
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National Board Inspection Code |
This is a widely adopted code that
sets the criteria and procedures for maintenance, inspection, repair,
alteration, and rerating for pressure vessels and boilers. |
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National Emission Standards for
Hazardous Air Pollutants (NESHAP) |
Promulgated
as U.S. EPA (40 CFR 61), limits annual
dose equivalent to a member of the general public to 10 mrem
due to airborne release of radioactive materials. |
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National Environmental Policy
Act (NEPA) |
Requires that federal agencies integrate
environmental values into their decision making processes by considering the
environmental impacts of their proposed actions and reasonable alternatives
to those actions.
(See http://www.epa.gov/Compliance/nepa/) |
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National Fire Protection
Association (NFPA) |
The
recognized standard-setting organization in the U.S. for fire and life
safety. http://www.nfpa.org/index.asp?cookie%5Ftest=1 |
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Necessary and Sufficient
(N&S) Process |
Synonymous
with, and replaced by, the Work Smart Standards (WSS) process. |
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necessary set |
The collection of all standards
identified by the WSS Process as Necessary.
Implementation of these standards is subject to verification and audit
by the Contracting Officer. |
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necessary standard |
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new employee orientation (NEO) |
The formal introduction to Lab
polices, culture, facilities, benefits, etc. conducted by HR on the start
date of new hires (normally the first day of each pay period). |
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NIOSH-approved respirator |
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noise controls |
Engineered measures such as enclosures,
noise-absorbing materials, and vibration-isolation devices. |
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nominal hazard zone |
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non-code pressure vessels |
A pressure vessel whose design
cannot meet the intent of the applicable ASME Boiler and Pressure Vessel
Code. |
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non-code qualified construction
elements |
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non-code qualified design
elements |
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non-critical enclosure |
A class of vessels and piping not covered by an
ASME pressure vessel or piping code but having a P x V less than or equal to
40 atm * ft3. Vacuum piping having an inner
diameter, width, height, or cross section less than or equal to 12-inches is
considered to be a non-critical enclosure regardless of P x V and length. |
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non-critical weld |
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Non-destructive examination
(NDE) |
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non-destructive testing (NDT) |
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non-ionizing radiation(1) |
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Non-Public Area |
CEBAF Center’s (Building 12) common areas, common
rooms, and hallways are designated as Public Areas during core business hours
Monday – Friday under the DOE Foreign Visits Program. Visitors requiring access to any other
area, or after hours, requires an Escort. |
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non-stamped pressure vessels |
A pressure vessel whose design meets
the intent of the applicable ASME Boiler and Pressure Vessel Code, but is not
stamped in accordance with the code. |
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nonstochastic effects |
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normal lift |
Lifts not meeting the criteria
of Critical Lift. |
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normal operating conditions |
Conditions
during which a crane is performing functions within the scope of the original
design and/or in acceptable environmental conditions without a SOP. |
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notable event |
An unplanned or abnormal event that affects or has the potential
to affect performance, reliability, safety, or the environment. It may or may not meet DOE occurrence
reporting criteria. |
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occurrence reporting |
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Occurrence Reporting and
Processing System of Operations Information – DOE (ORPS) |
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ODH
0 |
The
classification given to areas that have an estimated oxygen deficiency hazard
fatality rate less than 10-7/hr and for which ODH awareness training is required
for entry. |
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ODH
1 |
The
classification given to areas that, without countermeasures, would have a
fatality risk from potential oxygen deficiency of up to 10 times that of
riding in an automobile.* ODH awareness training and
multiple personnel are required for entry. |
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Areas that
have a major oxygen deficiency hazard – risk of fatality greater than 10
times that of riding in an automobile; significant training and medical
approval are required for entry. See ES&H Manual
Chapter 6540 Appendix T2 Classifications, Engineering and Administrative
Control Practices, Training, and Medical Exclusions for more detail. |
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Operational Safety Procedure
(OSP) |
A Work Control Document, with a limited effective life
of up to three years, that follows the standard format specified in ES&H Manual
Chapter 3310 Appendix T1 Operational Safety Procedure (OSP) and Temporary OSP
Procedure. OSPs
address unique or complex hazards not
covered in the ES&H Manual, or
require more specific detailed instructions. The document is signed by the appropriate
authorities before work proceeds; and is read and signed by each worker
before they take part in the work. (A current listing of OSPs may
be found at: https://jlabdoc.jlab.org/docushare/dsweb/View/Collection-1918) |
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operational upset |
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operations envelope |
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Operations Manager |
The Associate Director (AD) for
Environment, Safety, Health and Quality Assurance (ESH&Q) serves as
Operations Manager (OM) for the Emergency Management Team (EMT). The OM is responsible for coordinating the
response to emergent events at Jefferson Lab.
The OM is also responsible for categorization of an emergency event
and ensuring initial notification is made to the Department of Energy (DOE)
Emergency Operations Center (EOC) by the Reporting Officer. |
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operator |
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OSHA-Recordable Injury |
Any work-related injury or illness
that includes treatment beyond first aid.
(DOE-Reportable Injury has the same definition.) |
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OSL Badge |
A personnel radiation dosimeter consisting of one or more
Optically Stimulated Luminescence detectors.
OSL technology is similar to TLD, except that light is used rather
than heat to stimulate the emission of light from the detector. The OSL badge may also contain track-etch,
or other detectors. |
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other potentially infectious
materials (OPIM) |
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overcurrent trip condition |
A condition for which an
electric current limiting or interrupting means, such as a fuse, circuit breaker,
resistor, electronic current limit or other suitable device has acted to
limit or reduce the current from a power source to some lower predefined
value. |
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overload |
Any load greater than the rated
load of a crane/hoist or piece of rigging equipment. |
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oxidizer |
A chemical
that readily yields oxygen or that vigorously promotes oxidation reactions or
combustion. |
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oxygen deficiency |
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oxygen deficiency hazard (ODH) |
A hazard due
to the potential elimination of or reduction in oxygen available to breathe. See ES&H Manual Chapter
6540 Oxygen Deficiency Hazard Control Program |
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ozone-depleting substances
(ODS) |
Compounds that
evaporate and rise to the upper atmosphere where they react with and destroy
stratospheric ozone. The layer of
stratospheric ozone is effective at protecting life at the earth’s surface
from high-frequency, ultraviolet light.
(See http://www.epa.gov/Ozone/science/ods/
Environmental Protection Agency) |
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parenteral |
Piercing mucous membranes or
the skin barrier through such events as needlesticks,
human bites, cuts, and abrasions. |
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passive controls |
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peer review |
Documented technical
validation of vessel engineering design, to be conducted by at least one
pressure vessel design engineer who meets the qualifications or organizational peer group
comprised of at least one technical representative meeting the qualifications
for Design Authority who was not involved as a participant, Supervisor, technical reviewer, or
advisor in the work being reviewed. Documented technical review of
Non-Code Qualified Construction Elements to be conducted by at least one
qualified independent (outside Jefferson Lab) design professional (i.e.
professional engineer) or
organizational peer group comprised of at least one technical representative
meeting the qualifications for Design Authority who was not involved as a
participant, Supervisor, technical reviewer, or
advisor in the work being reviewed. Documented technical review of pressure system engineering
design, to be conducted by a least one qualified independent (outside Jefferson
Lab) design professional (i.e. professional engineer) or organizational peer group comprised of at least one technical
representative meeting the qualifications for Design Authority who was not
involved as a participant, Supervisor, technical reviewer, or advisor in the work being reviewed. |
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performance measure |
Contract-based
system used to monitor performance for fiscal year goals in any category. |
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performance measures/metrics |
Quantitative results used to gauge the
degree to which Jefferson Lab has achieved its goals and/or contract
requirements. |
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performance standards |
Measures of ES&H -related
performance identified in the contract. |
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permanent threshold shift |
A significant, irreversible
loss of hearing as shown on an audiogram. |
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permeation test |
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permissible exposure limit
(PEL) |
Refers to the regulatory limits set
for the amount, or concentration, of a substance in the air. Approximately 500 PELs have been
established based on an 8-hour time weighted average (TWA) exposure. Employers comply with PELs in accordance
with OSHA requirements. Existing PELs are contained in 29
CFR 1910.1000 Table Z-1, the air contaminants standard. |
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Jefferson Lab defines a “PRCS” to be any area that meets all of the following criteria: · Sufficient space for a person to enter and perform work; · Limited/restricted means for entering/exiting; · Not designed for continuous occupancy; AND · An actual or potential hazard. Typical PRCS hazards include: · A hazardous atmosphere; · Toxic materials that affect the skin or can be absorbed through it; · A material with the potential for engulfing a person or hindering quick escape; · Internal configuration that could trap a person. Entry is not allowed into a PRCS if there is a hazard that cannot be
mitigated to RC<2 or lower by use of conventional controls (as listed on a
permit). Inform the Confined
Space Coordinator if this situation exists. |
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person in charge (PIC) |
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personal protective equipment
(PPE) |
Equipment that is intended to be worn or held by a person to protect that person from harm. Basic, non-specialized PPE includes: · Hard Hat · Safety Glasses w/Side Shields (as needed) · Safety Shoes · Hearing Protection · Face Shield · Gloves · Knee Pads · Proper Work Clothes (See: ES&H Manual Chapter 6620 Personal Protective Equipment Program.) Basic, non-specialized PPE does not include items used
for electrical, chemical, hot work etc.
See applicable ES&H Manual chapters for these requirements: · 6122 Appendix
T2 Hot Work Personal Protective Equipment (PPE) · 6200 Appendix
T3 Electrical Personal Protective Equipment (PPE) · 6410 Appendix
T3 Laser Personal Protective Equipment (PPE) · 6610 Appendix
T5 Chemical Personal Protective Equipment and Associated Control Measures |
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personnel dosimetry |
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personnel
monitoring |
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Personnel Safety System (PSS) |
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physician panel |
A list of primary treating
physicians from which an employee may select to care for an on-the-job injury
or illness. Panels of medical
specialists may also be provided when the primary treating physician
recommends follow-up diagnosis, treatment, or therapy. See Occupational Medicine’s Injury Pamphlet. |
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piping system |
Interconnected piping subject to the same set or sets of design conditions. Piping refers to assemblies of piping components used to convey, distribute, mix, separate, discharge, meter, control, or snub fluid flows. Piping also includes pipe-supporting elements, but does not include support structures, such as building frames, bents, foundations, or any equipment excluded from ASME B31.3. Piping
components refers to mechanical elements
suitable for joining or assembly into pressure-tight fluid-containing piping
systems. Components include pipe,
tubing, fittings, flanges, gaskets, bolting, valves, and devices such as expansion
joints, flexible joints, pressure hoses, traps, strainers, in-line portions
of instruments, and separators. |
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planned
special exposure |
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policy |
A
statement that expresses the philosophy, experience, or belief of an
organization’s senior managers.
Guidance toward attainment of stated goals. An overall plan embracing the general goals
of a governing body. (The Jefferson
Lab ES&H Policy is stated in ES&H Manual Chapter 1100 Environmental, Safety, and Health Policy.) |
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pollution prevention (P2) |
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Portable hand tool |
A
device, with or
without a motor, which is manipulated by an operator to achieve a desired
result and is easily transported from one objective to another. (See ES&H Manual
Chapter 6120 Portable Hand Tool Safety.) |
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Preliminary Experiment Safety
Assessment Document (PESAD) |
This
document is a preliminary draft of the Experiment
Safety Analysis Document (ESAD). It
is optional, but recommended, as its use will provide insight into ES&H
issues at an early stage of the experiment design, and its review by the
Jefferson Lab E2RC will provide early feedback from the review
process on the merits and acceptability of mitigating measures planned for
addressing ES&H issues in the experimental apparatus design. |
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pressure enclosure |
Any piping
or vessel designed
for internal and/or external pressure.
Enclosures having maximum design pressures less than 15 psi are
low-pressure or non-critical. |
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pressure piping |
Pressure
piping includes all piping
and piping components designed for external/internal gage pressures, usually
exceeding 15 psi, that are within the scope of the ASME B31 Piping
Codes. Also included are piping
systems regardless of pressure that:
Piping systems that can be
excluded from this class of pressure piping include: [ASME B31.3, ¶300.1.3]
|
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pressure relief device |
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pressure relief valve |
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pressure system |
Exclusions from the above pressure system definition are identified in ASME B31.3 Process Piping and ASME BPV Code Section VIII, Rules for Construction of Pressure Vessels. Exclusion under one of these codes does not provide exclusion under the other. Piping systems that can be excluded from the definition of pressure systems include: [ASME B31.3, ¶300.1.3] · piping systems designed for internal gage pressures at or above zero but less than 15 psi, provided that the fluid handled is nonflammable, nontoxic, and not damaging to human tissue as defined in ASME B31.3 ¶ 300.2, and its design temperature is between -20°F through 366°F · tubes, tube headers, crossovers, and manifolds of fired heaters that are internal to the heater enclosure Pressure vessels that can be excluded from the definition of pressure systems include: [ASME BPV Sec. VIII, ¶U-1(c)(2)] · pressure containers that are integral parts or components of rotating or reciprocating mechanical devices · a vessel for containing water under pressure including those containing air, the compression of which serves only as a cushion, when none of the following limitations are exceeded: o a design pressure of 300 psi o a design temperature of 210°F · a hot water supply storage tank heated by steam or any other indirect means when none of the following limitations is exceeded: o a heat input of 200,000 Btu/hr o a water temperature of 210°F o a nominal water containing capacity of 120 gallons · vessels having an internal or external operating pressure not exceeding 15 psi with no limitation on size · vessels having an inside diameter, width, height, or cross section diagonal not exceeding 6 inches, with no limitation on length of the vessel or pressure Additionally, the following pressure systems are specifically excluded from this chapter: · Department of Transportation (DOT) regulated cylinders and dewars · roof and floor drains, plumbing, and sewers · piping for hydraulic or pneumatic hand tools and their components downstream of the first block or stop valve off the system distribution header · piping internal to instruments (not instrument piping) · fire protection systems constructed in compliance with recognized fire protection engineering standards and adhering to the provisions set forth in ES&H Manual Chapter 6900 Fire Protection Program. |
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Pressure System Committee (PSC) |
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pressure test |
Hydrostatic Test Pneumatic Test Refer
to the code for the specific requirements that pertain to each kind of test. |
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Pressure Vessel |
Pressure vessels, for the purposes of this
specification, shall be considered those vessels that are within the scope of
the ASME Boiler and Pressure Vessel Code Section VIII. The design, construction, and fabrication
of these assemblies shall be in accordance with this Code. These pressure vessels may contain fluids
or gases that are utilized for the containment of pressures in excess of 15
psi but less than 3000 psi. All
pressure factors shall be taken into consideration whether during normal
operating conditions or abnormal conditions and whether from direct or indirect
pressure generating sources. Pressure
vessels that can be excluded from this class of vessels include: [ASME BPV
Sec. VIII, ¶ U-1(c)(2)]
o
a
design pressure of 300 psi o
a
design temperature of 210°F
o
a
heat input of 200,000 Btu/hr o
a
water temperature of 210°F o
a
nominal water containing capacity of 120 gallons
|
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Preventive Action (See also: Corrective Action) |
An activity
that prevents a service,
item, component, or process from becoming out of compliance with
specifications, procedures, or regulatory requirements. (Preventive Actions are designated in CATS within the “Issue Type” pull-down
menu. They have a “Significance Level”
0 or, in rare cases, 1; and their “Primary Cause Code” is generally
“continuous improvement” or “tracking only.”) |
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probability
level |
The likelihood and frequency of an incident/accident occurring.
(See
ES&H Manual
Chapter 3210 Appendix T3 Risk Code Assignment.) |
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procedural requirement |
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program |
The
organizational methods and responsibilities used by management to attain a specific goal. |
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prompt radiation |
Refers
to ionizing radiation produced directly by operating an accelerator
system/component. Has a potential impact
only within close proximity to an operating accelerator on the site; it is
produced within the beam enclosure and its production stops when an
accelerator is turned off. |
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psia/psi |
Psi is an abbreviation for the
“unit” pound-force per square inch; and psia is an abbreviation
for a “property.” In this case it is
the pressure (“a” stands for absolute) at a given point in a medium expressed
in units of psi. |
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Qualified |
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Quality Factor |
The modifying factor used to calculate
the dose equivalent from the tissue or organ absorbed dose at a point. |
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DOE Reportable Occurrence |
Any
unusual or unplanned event that has or could adversely affect public health,
the performance, reliability, or safety of a facility, or the environment as
described in ES&H Manual Chapter 5300 Appendix T1
Occurrence Reporting to Department of Energy (DOE) and Notification Procedure. Reportable occurrences are classified by
their potential for personal injury, environmental damage, and/or equipment
loss. Additional information on the
occurrence categorization process is available in DOE Manual 231.1-2. |
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R-stamped pressure vessel |
ASME official “R” stamp marked
on a vessel indicates repair. |
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Rad |
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RADACS |
An
independent computer system that logs data from area radiation monitors. |
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RadCon Manual |
Jefferson
Lab Radiological Control Manual. See http://www.jlab.org/ehs/ehsmanual/RadCon/index.html. |
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radiation area |
Part of a radiologically controlled
area where the radiation dose rate is between 5 and 100 mrem/hour. A radiation area is specially designated
and posted, sometimes with ropes, tape, or floor markings. Activities in radiation areas may be
controlled via Radiological Work Permits (RWPs). |
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Radiation Control Department (RadCon) |
Administers
the Jefferson Lab’s radiation control program site wide and is responsible
for ensuring that ionizing radiation and radionuclides exposure of personnel
and the environment is as low as reasonably achievable (ALARA), and in no
case higher than statutory and regulatory limits. (See http://www.jlab.org/accel/RadCon/index.html
) |
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Radiation Safety Assessment
Document (RSAD) |
Specifically
addresses radiation and activation issues associated with the delivery of
electron beam to an experiment. It
includes an explicit calculation of the planned Experiment Operations
Envelope (EOE). It identifies safety
issues associated with the planned EOE and addresses mitigating measures that
have been incorporated into the apparatus and runs protocol to ensure
compliance during operation in the FEL, as defined by the DOE approval
letter. It also contains appropriate
decommissioning plans for the target and beam-activated components. (See Typical Outline
for a Radiation Safety Assessment Document) |
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radiation worker MIL-HDBK-781A
(01-April-1996) |
A
person who has received specific training in radiation safety and is
authorized for unescorted access to radiologically controlled areas and
radiation areas. Such a worker might
routinely receive 0.1 rem (100 mrem) of exposure per
year above background dose. |
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Radiation(1) |
Prompt
ionizing radiation produced by operation of an accelerator or its components. |
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Radiation Weighting Factor (wR) |
The modifying factor used to calculate
the equivalent dose from the average tissue or organ absorbed dose; the
absorbed dose (expressed in rad or gray) is multiplied by the appropriate
radiation weighting factor. |
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radio frequency (RF) radiation |
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radioactive
material |
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radioactive
material area |
Any area within a controlled area, accessible to individuals, in
which items or containers of radioactive material exist and the total
activity of radioactive material exceeds the applicable values provided in Appendix
E of 10 CFR 835. All radioactive material areas are approved
by the Radiation Control Department and monitored per department procedures
to comply with safety requirements. |
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radioactive
material transportation |
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radioactive
waste |
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radioactivity |
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radiography |
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radioisotope/radionuclide |
An
unstable isotope of an element that decays or disintegrates spontaneously,
emitting radiation. |
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radiological area |
Any area within
a controlled area defined as
a “radiation area,” “high radiation area,” “very high radiation area,”
“contamination area,” “high contamination area,” or “airborne radioactivity
area.” |
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radiological
buffer area (RBA) |
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radiological
control hold point |
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Radiological Control Operating
Procedure (RCOP) |
A special
type of Operational
Safety Procedure
(OSP) required when the main hazard is radiological. |
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Radiological Control
Technologist (RCT) |
Radiation
Control Department support personnel who provide health physics and
radiological engineering, dosimetry, independent
oversight, instrumentation, and calibration functions. They conduct work planning and radiological
surveillance, assist in the implementation of radiological control, perform
radiological analyses, and support the environmental monitoring program. They have the responsibility and authority
to stop work or mitigate the effect of an activity if they suspect that
continued performance of a job or evolution or test will result in the
violation of radiological control standards, result in imminent danger or
unacceptable risk, or result in the inadvertent release of radioactive
material to the environment. This
responsibility is in addition to the stop work authority possessed by all
Laboratory staff in accordance with the Jefferson Lab ES&H Manual. Requirements: high school degree and
some post-secondary education or technical training; and pursuit or current
registry by The National Registry of Radiation Protection Technologists is
encouraged. (See Radiation
Control Supplement – Chapter 1 – Part 4 Radiation Control Department) |
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radiological
posting |
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radiological work |
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Radiological Work Permit (RWP) |
A
work-control document issued by the Radiation Control Department that
specifies requirements for entry into, or working in, specifically designated
portions of a radiologically controlled area (RCA). (See Radiation Control
Supplement, Chapter
3 Conduct of Radiological Work, Part 2 Work Preparation.) |
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radiological
worker |
A general employee whose
job assignment involves operation of radiation producing devices or working
with radioactive materials or is likely to have routine occupational exposure
above 0.1 rem (0.001 sievert) per year
total effective dose equivalent. |
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radiologically controlled area
(RCA) |
A clearly
posted area where access is restricted to designated, properly trained
radiation workers who are wearing appropriate dosimetry
equipment. (Properly escorted visitors
with appropriate dosimeters are also allowed.) |
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rated load (capacity) |
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reactive |
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Readiness Assurance |
The evaluation and corrective measures taken to ensure
that planning, procedures, and resources have been adequately allocated. |
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reagent |
A substance used in a chemical
reaction to detect, analyze, or produce another substance. |
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record |
OSHA definition: Any item, collection, or grouping of
information regardless of the form or process by which it is maintained (e.g.
paper document, microfiche, microfilm, x-ray film, or automated data processing). |
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recordkeeping |
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records management |
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records schedule |
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recycling |
A material
is recycled if it is used, reused, or reclaimed (40 CFR 261.1I(7)). A material is used or reused if it is
either used as an ingredient to make a product or used in a particular
function as an effective substitute for a commercial product (40 CFR
261.1I(5)). A material is reclaimed if
it is processed to recover a useful product or if it is regenerated. Examples include the recovery of lead from
spent batteries and the regeneration of spent solvents (40 CFR 261.1I(4)). |
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redundancy |
The replication of parallel
interlock chains, ideally from the sensor through the final control
element. All chains would have to fail
for the interlock function to fail. |
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regulated medical waste |
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regulation(1) |
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release |
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Rem |
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removable
contamination |
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reportable quantity (RQ) |
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reproductive toxins |
Chemicals that affect
reproductive capabilities, including chromosomal damage (mutations) and
effects on developing fetuses (teratogens). |
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research pressure vessel |
Those vessels that are not specifically covered under
pressure vessel, low pressure, vacuum, or non-critical enclosure sections of this
specification. An assembly may be
considered as a research vessel due to irregular materials, construction, or
geometry that is not specifically addressed or governed by a nationally
recognized design or fabrication code.
Examples of these vessels include the cryomodule
helium vessels with RF cavities and cryogenic targets within the Halls. |
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respiratory
protection |
An apparatus, such
as a respirator, worn by an individual for the purpose of reducing the
inhalation of airborne materials. (See ES&H Manual Chapter
6630 Respiratory Protection Program.) |
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Response Owner |
The
person responsible
for ensuring that all issues are completed and closed before the related event is submitted for closure. |
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responsible engineer |
An engineer
selected by his/her Supervisor who is ultimately responsible
for defining all requirements and providing all documentation required to
produce sound welded and brazed joints.
Note: this person is called
the “Design Authority for Pressure Systems” in ES&H Manual
Chapter 6151 Pressure Systems. |
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restricted
approach boundary |
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rigging |
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Risk Code (RC) or Risk Code
Assignment (Synonym – Significance Level) |
(See Risk Code Task Review Requirement for work control document requirements.) (See
ES&H Manual
Chapter 3210 Appendix T3 Risk Code Assignment.) |
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risk
code task review requirement |
The level of formal task review and mitigating measures required for each risk code.
(See
ES&H Manual
Chapter 3210 Appendix T3 Risk Code Assignment.) |
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risk(1) |
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root cause |
||||||||||||||||||||||||||||||||||||||
root cause analysis |
A formal
structured process for defining the root cause of an issue, event, or adverse trend. The person conducting a Root Cause Analysis
is trained in the method |
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root mean square (RMS) |
The square root of the average of the squares of a set of numbers. The
corresponding formula for a continuous function f(t) defined
over the interval is The
rms of a periodic function is equal to the rms of one period of the function. The rms value of
a continuous function or signal can be approximated by taking the rms value of a series of equally spaced samples. |
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routine task |
Activities for which hazards have been previously identified and mitigation measures are addressed in the ES&H Manual. They include common and non-hazardous activities. These are routine, recurring tasks such as maintenance, repairs, surveillances, etc. They are performed using the Task List and related procedures as appropriate. |
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safety alert symbol |
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safety analysis |
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safety envelope |
The range of conditions covered by the
safety documentation of a process or facility under which safe operation is
adequately controlled. This document specifies
equipment operating conditions that, if violated, might endanger public
health or safety, the environment, site personnel, and/or might violate
policy or threaten external confidence. Jefferson
Lab’s facility Safety Envelope is defined in the Jefferson Lab FSAD. The FEL Safety Envelope is defined in a DOE
approval letter. Each experiment must
incorporate the Safety Envelope criteria in describing the experiment apparatus
and beam operations as part of its ES&H review. The individual experiment may incorporate
more restrictive parameters, but it cannot exceed the approved Jefferson Lab
Safety Envelope described in the FSAD. |
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safety glasses |
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safety integrity requirements
specification |
Establishes acceptable system
architecture for achieving the level of integrity, safety, and performance
required for executing the desired safety system functions. |
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safety interlock system (SIS) |
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safety observation (SO) |
An informal,
but structured activity in which members of management at all levels
regularly visit work areas, observe work practices and conditions, and
discuss the safety of the job with employees. (See: http://www.jlab.org/ehs/ehsmanual/3700.htm;
See Also: https://misportal.jlab.org/mis/apps/ehs/safety_observations/) |
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safety observation session |
A planned
activity comprising one or more Safety Observations. |
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safety plan |
An official,
binding document prepared by a subcontractor, bearing the signature of a
responsible manager of the subcontracting company,
that defines the ES&H practices
and responsibilities necessary to conduct operations on Jefferson Lab
property in a safe and environmentally sound manner. Safety plans must be augmented by specific
activity hazard analyses where required. |
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safety shower |
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safety signs and signal words |
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safety symbol |
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safety system operator (SSO) |
The individual responsible for
monitoring and controlling access to Radiologically Controlled Areas where a
potential radiation hazard exists. A
Limited Duty SSO is only authorized to operate the Safety System for a
particular task or machine region. |
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safety warden |
Performs
safety inspections specific to their area, minimally to ES&H Manual
guidance. For a listing of current Safety Wardens see
Jefferson
Lab Safety Wardens. (See Also ES&H Manual Chapter
2500 Safety Warden Program.) |
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safety watch |
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sealed
radioactive source or sealed source |
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self-reading pocket dosimeter
(SRPD) |
A personal
exposure monitoring device (i.e., a dosimeter) that can be read “on the spot”
by its user – unlike TLDs (thermoluminescent
dosimeters), which require special processing. Examples of SRPDs include: pocket ionization chambers (PICs), neutron
bubble dosimeters, and digital alarming dosimeters (DADs). |
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Serious injuries |
Any injury that requires more
than first-aid treatment. This
includes fractures, concussions, internal injuries, lacerations requiring
sutures, burns (other than minor, localized first-degree burns), and any
injury where shock is apparent. |
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Severe Thunderstorm |
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severe thunderstorm warning |
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severe thunderstorm watch |
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severe weather |
||||||||||||||||||||||||||||||||||||||
Severe Weather Planning Team |
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shackle |
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shallow dose
equivalent |
The dose equivalent deriving from external radiation at a depth
of 0.007 cm in tissue. |
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sharps |
||||||||||||||||||||||||||||||||||||||
shield metal arc welding (SMAW) |
Also known as stick or electrode welding. An electric arc is drawn between a welding rod and the workpiece, melting the metal along a seam or surface. |
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Shielding (in reference to radiation) |
A
credited control☼ that is
placed between exclusion areas and occupied
areas during accelerator operations to keep personnel exposure to ionizing
radiation within the limits defined in the Radiation
Protection Program. The two
categories of shielding are: Movable – shielding that can be moved when necessary (e.g.: lead bricks). Permanent – shielding that cannot be moved (e.g.: concrete structures, walls, floors, labyrinths, and earth cover). (☼Shielding that is used only for equipment protection is not a credited control.) |
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shock |
A metabolic response to a life-threatening
condition, characterized by reduced oxygen flow to body organs. Signs and symptoms include pale and clammy
skin, profuse sweating, rapid and shallow breathing, rapid pulse, mental
confusion, and extreme thirst. |
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sievert (Sv) |
Standard
International (SI) unit of any of the quantities expressed as dose
equivalent. The dose equivalent in sieverts is equal to the
absorbed dose in grays multiplied by the quality factor (1 Sv = 100 rems). |
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Significance Level (Synonym – Risk Code) |
The significance of a hazard is dependent on the risk of unacceptable outcomes it creates. Jefferson Lab has established and categorized five Risk Codes applicable for work activities. Risk Codes are based on the likelihood of an accident occurring for a given activity coupled with the severity of the outcome. (See Risk Code for determination table.) |
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Annual summary of environmental
compliance status, analytical data summaries, and environmental protection
program status. |
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Site-safety fence |
The
fence that
surrounds the accelerator site and defines the site boundary. |
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skill |
The generic term used by LMS to identify skills, knowledge, and abilities required
by Jefferson Lab and usually acquired through training. |
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skill of the craft |
Term used
to describe tasks that are routine and safely conducted by experienced staff who have been
appropriately trained and are working at a Risk Code of ≤ 2 with or
without standard
protecting measures. |
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Skills Requirements List (SRL) |
Required for everyone who carries a Jefferson Lab badge (except
visitors). The SRL is managed in the LMS by
the Lab Training Office. It contains skills and combinations of skills
(competencies) that are required by the organization and job to which an
individual is assigned or by the supervisor/Subcontracting Officer’s Technical Representative
(SOTR)/Sponsor for
a particular individual. SRLs are created when a person is added to the
Jefferson Lab database and updated regularly using the JTA
tool. |
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sling angle |
The angle between the sling and
horizontal. |
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soft digging |
Excavating
with tools or equipment that utilizes air or water pressure as the direct
means to break up soil or earth for removal by vacuum excavation. |
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soldering |
A low
temperature form of brazing. This
technique is used for joining low-temperature base metals. |
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solid waste |
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source custodian |
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source leak
test |
A test to determine
if a sealed radioactive source is leaking radioactive material. |
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source reduction (also
reduction at the source) |
Any activity that reduces or
eliminates the generation of any kind of waste at the source, usually within
a process. |
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sparks |
The heated
residue created when cutting, brazing, grinding or welding metal. |
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spokesperson |
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sponsor |
The
Jefferson Lab staff member who is the designated point-of-contact and liaison
for a facility User; and has responsibilities
equivalent to that of a Supervisor. |
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spotter |
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staff (Synonym: employee) |
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Standard Operating Procedure
(SOP) |
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Includes non-specialized personnel protective equipment; engineered controls currently in place, reviewed,
and routinely used to reduce a task’s Risk Code to an acceptable level; and permitted activities authorized by EH&S Manual Chapter
3320 Temporary Work Permits, where the work permit addresses the
principal hazard. |
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standard
radiation symbols |
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Standard Welding Procedure
Specification (SWPS) |
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standard(1) |
A set of
requirements, procedures, or specifications pertaining to a particular topic. |
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standards in lieu of laws |
Standards that have been
identified as necessary because they fulfill the purpose of a law or
regulation, but that pertain to a subject for which
there is no law or regulation. |
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State Water Control Board
(SWCB) |
The citizen
board that sets policy, proposes and adopts rules and regulations, and hears
disputes between regulated parties and the Water Division of the DEQ. |
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Statement of Work (SOW) |
Technical
specification used to define scope of effort for outside contracted services. Ex:
construction of pressure systems. |
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stochastic
effects |
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Stop-Work
Order |
A
definitive statement made that an imminent danger is present. After which all related work is immediately
stopped until a resolution can be found. (See ES&H Manual Chapter
3330 Appendix T2 Stop Work for Safety Procedure.) |
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storage area |
A room or building used for the
storage of liquids in containers or portable tanks, separated from other
types of occupancies. |
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structural weld |
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subcontracting officer |
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subcontracting officer’s
technical representative (SOTR) |
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subcontractor(1) |
A
business entity under contract with Jefferson Lab to perform specified
operations or services. |
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subject matter expert (SME) |
A professional with academic credentials,
recognized work experience, or expertise in the field of application. The person designated as the
Lab’s “expert” in a particular ES&H subject area. The SME is normally the “owner” of courses
related to his/her area of expertise and, with the concurrence of the
Director’s Safety Council, can add or remove a related skill from the skill
requirements lists. An SME is a person or group of
persons with recognized expertise or authority in a particular functional
area that is greater than anyone else at the Lab. Jefferson Lab has three
kinds of SMEs: 1. ES&H Staff – ES&H staff
are composed of professionals in safety, occupational health, and/or
environmental protection. They are
normally the Lab SMEs for institution-wide ES&H skills. 2. ES&H Committee Member –
Generally these individuals work with particular systems or processes daily
and know them intimately. They may
provide SMEs for training relevant to these systems. 3. Technically-Qualified
Individuals – Some areas, systems, or equipment are so specialized that only
one or two people at the Lab have the credentials to fully understand the
hazards associated with them. These
people are, by default, the SMEs for these areas, systems, and equipment. For a listing of hazard issue
“Subject Matter Experts” see ES&H Manual Chapter
2410 Appendix T1 Hazard Issues List. |
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sufficient set |
The set of requirements
identified by the Necessary and Sufficient process, which, when implemented
together with the Necessary Set, will provide an appropriate level of
protection to laboratory employees, visitors, the public, and the
environment. The Sufficient Set
includes External Standards invoked by law, External Standards not invoked by
law, and certain selected Internal Standards.
Except for External Standards invoked by law, the adequacy of
implementation of requirements in the Sufficient Set will be judged by the
process described in Appendix B of the DOE/JSA contract. |
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Supervisor |
The person responsible for the day-to-day allocation of
work to an individual. (Also known as: Matrixed
Supervisor, Line Manager, Hall Leader, Group Leader or Manager, Department
Leader or Manager) |
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surgical implant |
||||||||||||||||||||||||||||||||||||||
Suspend
Work |
An order given when
a hazard
issue
is discovered or anticipated, where work is stopped until mitigation measures
are implemented. (See ES&H Manual Chapter
3330 Appendix T1 Suspend Work for Safety Procedure.) |
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tag line |
A length of line or rope used
by a member of a rigging crew (from a safe position) to guide and maintain
control of a load when it is out of reach. |
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Tagger (aka: Qualified
Tagger) |
·
Current and appropriate training (SAF 104 Lock, Tag,
Try). ·
Received specific LTT training on equipment being serviced. ·
Locked and/or tagged out equipment in order to service or test
that equipment. ·
Complete familiar with the hazards and associated operational
characteristics of the equipment that has been locked and/or tagged out. |
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tagout |
||||||||||||||||||||||||||||||||||||||
Task Hazard Analysis (THA) |
A systematic
study of an assigned task in order to identify and mitigate hazards. Guidance on the methodology for conducting
a Task Hazard Analysis is contained within ES&H
Manual Chapter 3210 Work Planning, Control, and Authorization Process.
|
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technical review |
||||||||||||||||||||||||||||||||||||||
technical
work document |
||||||||||||||||||||||||||||||||||||||
Temporary Operational Safety
Procedure (TOSP) |
A Work Control Document, with a limited effective life
of three months or less, that follows the standard format specified in ES&H Manual
Chapter 3310 Appendix T1 Operational Safety Procedure (OSP) and Temporary OSP
Procedure. TOSPs
address unique or complex hazards not
covered in the ES&H Manual,
or require more specific detailed instructions. The document is signed by the appropriate
authorities before work proceeds; and is read and signed by each worker
before they take part in the work. (A current listing of TOSPs may
be found at: https://jlabdoc.jlab.org/docushare/dsweb/View/Collection-1915) |
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Temporary Work Permit |
Work Control
Documents that ensure hazards, pertaining to a specific work
condition, have been considered and the associated risks have been
acknowledged and mitigated. The
following activities have been identified as requiring a temporary work
permit: · Confined-Space Work – ES&H Manual Chapter 6160 Confined Space Entry · Energized Electrical
Work – ES&H Manual Chapter 6220 AC Electrical
Equipment Safe Work Program ·
Fire Hazard Work – ES&H Manual Chapter
6900 Appendix T1 Fire Protection: Hot Work Permit · Radiological Work – Jefferson Lab Radiological Control Supplement · Dig/Blind Penetration – Facilities Management’s Excavations and Blind Penetrations into Walls & Floors (See ES&H Manual
Chapter 3320 Temporary Work Permits for more information.) |
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temporary shielding |
Materials
that are used for personnel protection from radiation, but can be
nondestructively disassembled or removed – for instance, lead bricks or nonmortared
concrete block walls. |
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temporary threshold shift |
A measurable loss of hearing
that is restored (usually within 24 hours) after the noise exposure has
ceased. |
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tesla |
||||||||||||||||||||||||||||||||||||||
thermoluminescent dosimeter (TLD) |
||||||||||||||||||||||||||||||||||||||
thin window |
||||||||||||||||||||||||||||||||||||||
threshold |
The point
at which any type of hazardous material is perceptible or can produce an
effect. |
|||||||||||||||||||||||||||||||||||||
threshold limit value (TLV) for
noise |
Sound pressure levels and
duration of exposure that represent conditions under which it is believed
that nearly all workers may be repeatedly exposed without adverse effect on
their ability to hear and understand normal speech. The TLVs should protect the median of the
population against noise-induced hearing loss exceeding 2 dBA
after 40 years of occupational exposure for the average of 0.5, 1, 2, and 3
kHz. Hearing protection is available
in areas where noise exposure is at or above 85 dBA
as an 8-hour, time-weighted average.
ACGIH and OSHA
require employers to initiate a hearing conservation program when this level
of exposure is reached. |
|||||||||||||||||||||||||||||||||||||
threshold limit values (TLV) |
||||||||||||||||||||||||||||||||||||||
threshold planning quantity
(TPQ) |
An EPA-assigned level that, once
attained or exceeded, requires notification under the Emergency Planning and
Community Right-to-Know Act (EPCRA). A
TPQ for each EHS is listed in 40 CFR 355.
TPQs are based on weight and must be reported in pounds regardless of
whether the substance is a solid, liquid, or gas. EHSs contained in mixtures must be included
in the calculated totals if the mixture contains greater than 1% of an EHS or
greater than 0.1% if it is an EHS and a carcinogen. |
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Tier II |
||||||||||||||||||||||||||||||||||||||
time-weighted averages (TWA) |
The accepted means of
calculating and documenting occupational exposures to potentially injurious
substances and noise. Exposures are
usually expressed as an 8-hour TWA. |
|||||||||||||||||||||||||||||||||||||
Tissue Weighting Factor
(wT) |
The fraction of the overall health risk,
resulting from uniform, whole body irradiation, attributable to specific
tissue (T). The equivalent dose to tissue, (HT), is multiplied by the
appropriate tissue weighting factor to obtain the effective dose (E)
contribution from that tissue. |
|||||||||||||||||||||||||||||||||||||
tolerance zone |
A specified circumferential distance around
the indicated location of a utility.
Virginia code requires 24-inches or more. |
|||||||||||||||||||||||||||||||||||||
tornado |
||||||||||||||||||||||||||||||||||||||
tornado warning |
||||||||||||||||||||||||||||||||||||||
tornado watch |
||||||||||||||||||||||||||||||||||||||
total
effective dose |
The sum of the
effective dose equivalent (for external exposures) and the committed
effective dose equivalent (for internal exposures). |
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toxic |
||||||||||||||||||||||||||||||||||||||
toxic chemical |
||||||||||||||||||||||||||||||||||||||
transfill |
The transfer of compressed gas
and/or cryogenic liquid from one portable container to another or from a
bulk-storage vessel to a portable container. |
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tropical depression |
||||||||||||||||||||||||||||||||||||||
tropical storm |
||||||||||||||||||||||||||||||||||||||
tropical storm warning |
||||||||||||||||||||||||||||||||||||||
tropical storm watch |
||||||||||||||||||||||||||||||||||||||
try |
Before any work
begins on machines or equipment that have been locked out and/or tagged out,
an authorized employee must verify that the machine or equipment has been
properly isolated and de-energized.
This verification of isolation shall include the step of trying to
restart the equipment, by activating push buttons, selector switches,
electrical interlocks, and other appropriate operating controls, to otherwise
verify that the equipment or machine cannot be restarted. |
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tungsten
inert gas (TIG) welding |
An arc is established between a nonconsumable tungsten electrode and the
work piece producing the heat to melt the abutting edges of the metal to be joined;
filler rod may also be used. Argon or
helium is fed to the annular space around the electrode to maintain the inert
environment. (Also known as Gas
Tungsten Arc Welding (GTAW)). |
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U-stamped pressure vessel |
ASME official U symbol marked
on a vessel indicates unfired. Other
pertinent design information is also included with the U stamp. |
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uncontrolled area |
An
area where there are no controls for radiation protection purposes. |
|||||||||||||||||||||||||||||||||||||
universal precautions |
The standardized set of
protective exposure control methods used by health care providers as defined
by OSHA
in 29 CFR Part 1910.1030 (Occupational Exposure to Bloodborne
Pathogens; Final Rule). This concept
involves treating all blood and certain other body fluids as being
infectious. |
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Unreviewed Safety Issue (USI) |
An issue
arising from a
discovered condition, or a proposed change modification or experiment that:
·
significantly
increases the risk of an accident or malfunction of equipment beyond that
evaluated in the FSAD ·
introduces
the risk of an accident or malfunction of a different type than any evaluated
in the FSAD In this context, discovered conditions and proposed changes includes
hardware, software, operational procedures, or administrative controls. |
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unsafe act |
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unsafe condition |
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User |
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utility locate |
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vacuum system |
A
system containing piping, its components, and/or vessel(s) used to either
convey or contain a fluid operating at less than atmospheric pressure. A vacuum system, provided that its maximum design
pressure does not reach or exceed 15 psi, is considered to be within the
scope of a low pressure or non-critical enclosure in this program. |
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ventilation control |
||||||||||||||||||||||||||||||||||||||
very high
radiation area |
Any area, accessible to individuals, in which radiation levels
could result in an individual receiving an absorbed dose in excess of 500 rads (5 grays) in one hour at 1 meter from a radiation source or from
any surface that the radiation penetrates. |
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Virginia Department of
Environmental Quality (DEQ) |
The state
agency responsible for implementing federal environmental regulatory programs
at the state level. The DEQ is divided
into Air, Water, and Waste Management Divisions. See http://www.deq.state.va.us/ |
|||||||||||||||||||||||||||||||||||||
Visitor |
Anyone at
Jefferson Lab
who is not authorized to access an area without an Escort |
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visual examination or inspection
(VT) |
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Voltage Verification Unit (VVU) |
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waste analysis |
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waste minimization (WMin) |
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waste stream |
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wastewater |
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wastewater, domestic |
Wastewater produced from
non-industrial processes that are similar to household sanitary wastewater,
normally discharged to the sanitary sewer. |
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wastewater, industrial |
Wastewater and water-carried
waste from industrial processes and of nonhuman origin normally discharged to
the sanitary sewer. |
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water, cooling (CW) |
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water, intermediate cooling
(ICW) |
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water, low conductivity (LCW) |
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weber (Wb) |
The Standard International (SI)
unit of magnetic flux. |
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weighting
factor (WT) |
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welder |
A person who performs
a manual or semiautomatic welding operation. |
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welder’s flash |
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welding |
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welding hazard index (WHI) |
||||||||||||||||||||||||||||||||||||||
welding procedure specification
(WPS) |
Written
detailed methods and practices including a procedure involved in the
production of a weld. |
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weldment |
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whole body |
1.
for the purposes of external exposure, head,
trunk (including male gonads), arms above and including the elbow, or legs
above and including the knee. 2.
for purposes of radiation surveys, the
exposure/dose rate measured at a point 30 cm from the source or from any
surface that the radiation penetrates. |
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winter weather advisory |
||||||||||||||||||||||||||||||||||||||
winter weather outlook |
Issued
when significant winter precipitation is possible in the next three to five
days. |
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winter weather warning |
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winter weather watch |
Issued
when significant winter precipitation is possible in the next 24 to 48 hours. |
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WMin/P2 coordinator |
Coordinates activities with
Jefferson Lab staff that have agreed to participate in addressing lab-wide
and other identified issues in the WMin/P2 arena. |
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A document
used to support moderately or highly hazardous work. (See ES&H Manual
Chapter 3310 Operational Safety Procedure Program; and ES&H Manual Chapter
6410 Laser Safety; and ES&H Manual Chapter
3320 Temporary Work Permits.) (See Work Control
Documents for a current listing.) |
||||||||||||||||||||||||||||||||||||||
work restrictions |
Limitations to work activity
that are specified by a treating physician.
Affected activities may include lifting, climbing, walking, or use of
a certain body part. Protective or
support devices may also be required. |
|||||||||||||||||||||||||||||||||||||
Work Smart Standards (WSS)
Process (Synonymous with, and replacement for, the Necessary and Sufficient
Process.) |
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working alone |
When an individual is engaged
in work without the presence or attention of another person. |
Asbestos Containing Building Materials |
|
ADIC |
Associate Director in
Charge |
AISC |
American Institute of Steel Construction |
ALI |
Annual Limit on Intake |
ANSI |
|
American National Standards Institute and the
Institute of Electrical and Electronic Engineers |
|
Affirmative procurement |
|
APWA |
American Public Works Association |
ASTM |
American Society for Testing and Materials |
AWS |
|
BMP |
|
BPQ |
|
BPV |
Boiler and
Pressure Vessel |
CDRH |
|
CEBAF |
Continuous Electron Beam Accelerator
Facility |
CERCLA |
Comprehensive Environmental Response,
Compensation, and Liability Act |
CFR |
|
CMAA |
Crane Manufacturers Association of American |
CMTF |
Cryomodule Test Facility |
CO |
DOE Contracting Officer |
COO |
|
Criteria and Review Approach Document |
|
CSP |
Contractor Safety Plan |
CX |
Category Exclusion |
DCR |
|
DLSO |
Deputy Laser Safety Officer |
DOE |
|
DOELAP |
DOE Laboratory Accreditation Program |
DOT |
|
DSC |
|
E&SC |
|
EA |
Environmental
Assessment |
ECP |
|
EP |
|
EPCRA |
|
EPG |
Emergency Planning and Response Group |
EPP |
Environmentally Preferred Product |
ES&H |
|
ESH&Q |
Environmental Safety, Health, and Quality |
FACP |
Fire Alarm Control Panel |
FEL |
Free Electron Laser |
FHWP |
|
Jefferson Lab Final Safety Assessment Document |
|
Gauss |
|
Ground-fault circuitinterrupter
|
|
H-3 |
|
HAZCOM |
|
HAZWOPER |
|
HBV |
Hepatitis B Virus |
He-3 |
|
HEPA |
|
HIV |
Human Immunodeficiency Virus. |
HMIS |
Hazardous Materials Information Systems. |
HR |
Human Resources |
HRA |
High Radiation Area |
IAW |
|
ICAT |
|
ISMS |
|
IT |
Investigation Team |
ITSDF |
Industrial Truck Standards Development Foundation |
JRRP |
|
JSA |
Jefferson Science Associates, LLC |
LFL |
Lower Flammable Limit |
Lockout/tagout
|
|
LOD |
Laser Operations Directives |
Lines of Inquiry |
|
Laser Operational Safety Procedure |
|
MCFL |
Maximum credible fire loss |
MCM |
|
MHER |
|
MHSR |
|
MOU |
Memorandum of Understanding |
MPE |
|
MPFL |
Maximum possible fire loss |
MSHA |
|
Nondestructive Examination |
|
Nondestructive Testing |
|
NEC |
National Electrical Code (see http://en.wikipedia.org/wiki/National_Electrical_Code_(US)) |
NEO |
New Employee Orientation |
NER |
Notable Event Report |
NIST |
National Institute on Standards and Technology |
NP |
Engineered Nanoparticlesl |
NRC |
National Response Center |
NRRPT |
National Registry of Radiation Protection
Technologists |
NRTL |
Nationally Recognized Testing Laboratory (see http://www.osha.gov/dts/otpca/nrtl/) |
NTS |
|
Occurrence Reporting and
Processing System of Operations Information – DOE |
|
OSHA |
Occupational Safety and Health
Administration
(see http://www.osha.gov/) |
PAAA |
|
PAI |
|
PLEPC |
Peninsula Local Emergency Planning Committee |
PM |
DOE ES&H Program Manager |
PQR |
|
Pressure Safety Committee |
|
Psia/psi |
psi is an abbreviation for the “unit”
pound-force per square inch, and psia is an
abbreviation for a “property.” In this
case it is the pressure (“a” stands for absolute) at a given point in a
medium expressed in units of psi. |
R/hr |
Roentgen per hour |
Radiological Control Group |
|
Radiation Control Department (formerly Radiation Control Group) |
|
RCM |
|
RCRA |
|
rem |
Roentgen equivalent man |
RGD |
Radiation Generating Device |
RPP |
|
RQ |
|
RSDR |
|
RT |
Radiographic Testing |
Radiological Worker I |
|
Radiological Worker II |
|
SAA |
|
SARA |
Superfund Amendments and Reauthorization Act |
SCBA |
|
SI |
|
SPCC |
|
SSO |
Safety System Operator |
Standard Welding Procedure Specification |
|
TJSO |
Thomas Jefferson Site Office |
TWA |
Time-weighted averages |
Unreviewed Safety Issue |
|
VERC |
Virginia Emergency Response Council |
VPDES |
|
Visual Examination, Inspection, or Test |
|
WPQ |
|
Welding Procedure Specification |
|
|
ISSUING
AUTHORITY |
TECHNICAL POINT OF CONTACT |
APPROVAL
DATE |
EFFECTIVE
DATE |
EXPIRATION
DATE |
REV. |
|
|
ESH&Q Division |
N/A |
N/A |
N/A |
N/A |
|