Acronyms
- Acronym
- Description
- °C
- degrees Celsius
- °F
- degrees Fahrenheit
- µ
- micro, one-millionth
- µg
- microgram
- µm
- micrometer
- µm3
- cubic micrometers
- µs
- microsecond
- µS
- microsiemens (conductance)
- %ο
- per mil
- §
- section
- §303(d)
- Refers to section 303, subsection (d) of the Clean Water Act or to a list of impaired water bodies required by this section
- ABS
- acrylonitrile-butaldiene-styrene
- acfm
- actual cubic feet per minute
- ACHD
- Ada County Highway District
- ACOE
- Army Corps of Engineers
- ADB
- assessment database
- AFS
- AIRS Facility Subsystem
- AIRS
- Aerometric Information Retrieval System
- ANL-W
- Argonne National Laboratory-West (INL site)
- ANSI
- American National Standards Institute
- AQB
- Air Quality Board
- AQCR
- air quality control region (capitalize Air Quality Control Region when used with a region number [e.g., Air Quality Control REgion 63])
- AQI
- Air Quality Index
- AR
- aspect ratio
- ARRA
- American Restoration and Recovery Act
- AST
- aboveground storage tank
- ASTM
- American Society for Testing and Materials
- ATV
- all-terrain vehicle
- AU
- assessment unit
- AUL
- activity and use limitation
- AWC
- available water-holding capacity
- AWS
- agricultural water supply (beneficial use)
- BACT
- best available control technology
- BAG
- basin advisory group (capitalize Basin Advisory Group when used as part of a specific group's proper name [e.g., Upper Snake Basin Advisory Group])
- BAM
- beta attenuation monitor
- BART
- best available retrotfit technology
- BAT
- best available technology
- BLM
- United States Bureau of Land Management
- BMP
- best management practice
- BOD
- biochemical oxygen demand
- BOR
- United States Bureau of Reclamation
- BRO
- Boise Regional Office
- BTEX
- benzene, toluene, ethyl benzene, and xylene
- Btu
- British thermal unit
- BURP
- Beneficial Use Reconnaissance Program
- CAA
- Clean Air Act
- CaCO3
- calcium carbonate
- CAFO
- confined animal feeding operation
- CAP
- corrective action plan
- CAS
- chemical abstract service
- CBOD5
- 5-day carbonaceous biochemical oxygen demand
- CCW
- concentration in ground water (between source and surface water) at alternate point of compliance
- CEC
- cation exchange capacity
- CERCLA
- Comprehensive Environmental Response Compensation and Liability Act
- CESQG
- conditionally exempt small quantity generator (of hazardous waste)
- CFA
- Central Facilities Area (INL site)
- CFC
- chlorofluorocarbon
- CFR
- Code of Federal Regulations
- cfs
- cubic feet per second
- cfu
- colony forming unit
- CLP
- contract laboratory program
- cm
- centimeter
- cm2
- square centimeter
- cm3
- cubic centimeter
- CO
- carbon monoxide
- COD
- chemical oxygen demand
- COI
- chemical of interest
- COMPASS
- Community Planning Association of Southwest Idaho
- CQA
- construction quality assurance
- CRB
- crop residue burning
- CREP
- Conservation Reserve Enhancement Program
- CRP
- Conservation Reserve Program
- CSF
- cancer slope factor
- Csoil
- source area concentration in soil
- Cswpoe
- point of exposure concentration in surface water
- Cu
- coefficient of uniformity
- CWA
- Clean Water Act
- CWAL
- cold water aquatic life (beneficial use)
- CWE
- cumulative watershed effects
- CWS
- community water system
- CZ
- capture zone
- CZA
- capture zone analysis
- DAF
- dilution attenuation factor
- DEQ
- Idaho Department of Environmental Quality
- DO
- dissolved oxygen
- DOE
- United States Department of Energy
- DOI
- United States Department of the Interior
- DOT
- United States Department of Transportation
- dps
- disintegrations per second
- DQO
- data quality objective
- dscf
- dry standard cubic foot
- DWS
- domestic water supply (beneficial use)
- EC
- electrical conductivity
- EDMS
- environmental data management system
- e.g.
- for example (in footnotes and parenthetical information. In a sentence, say for example. This abbreviation is always followed by a comma.)
- Eh
- redox potential
- Ei
- irrigation efficiency
- EID
- environmental information document
- EIS
- environmental impact statement
- EM
- electromagnetic
- EMAP
- Environmental Monitoring and Assessment Program
- EPA
- United States Environmental Protection Agency
- EPHA
- Environmental Protection and Health Act
- EQIP
- Environmental Quality Incentives Program
- ESA
- Endangered Species Act
- ESP
- exchangeable sodium percentage
- ESRP
- eastern Snake River Plain
- ESU
- ecologically significant unit
- ET
- evapotranspiration
- ETI
- evapotranspiration and infiltrative
- ETPS
- extended treatment package system
- ETV
- environmental technology verification
- EU
- exposure unit
- FC
- fecal coliform
- FDS
- fixed dissolved solids
- FEM
- federal equivalent method
- FIFRA
- Federal Insecticide, Fungicide, and Rodenticide Act
- FM
- flow monitoring
- FONSI
- finding of no significant impact
- FPA
- Idaho Forest Practices Act
- FPXRF
- field portable x-ray fluorescence
- FR
- Federal Register
- FRM
- federal reference method
- FS
- feasibility study
- ft
- foot
- FWPCA
- Federal Water Pollution Control Act
- FWS
- United States Fish and Wildlife Service
- g
- gram
- gal
- gallon
- GIS
- geographic information system
- gpd
- gallons per day
- gpm
- gallons per minute
- GPS
- Global Positioning System
- gr
- grain (1 pound – 7,000 grains)
- GWP
- ground water protection
- GWQMP
- ground water quality management plan
- GWS
- ground water standards
- HAP
- hazardous air pollutant
- HDPE
- high-density polyethylene
- HI
- hazard index
- HMU
- hydraulic management unit
- hp
- horsepower
- HQ
- hazard quotient
- HRS
- Hazard Ranking System
- HRT
- hydraulic residence time
- HSWA
- Hazardous and Solid Waste Amendments (to RCRA)
- HUC
- hydrologic unit code
- HW
- hazardous waste
- HWMA
- Hazardous Waste Management Act
- ICDF
- INL CERCLA Disposal Facility
- IDAPA
- Numbering designation for all administrative rules in Idaho promulgated in accordance with the Idaho Administrative Procedure Act (is not short for Idaho Administrative Procedure Act)
- IDFG
- Idaho Department of Fish and Game
- IDHW
- Idaho Department of Health and Welfare
- IDL
- Idaho Department of Lands
- IDWR
- Idaho Department of Water Resources
- i.e.
- that is (in footnotes and parenthetical information. In a sentence, say that is. A comma always follows this abbreviation.)
- IELCR
- individual excess lifetime cancer risk
- I/M
- vehicle inspection and maintenance program
- in.
- inch (use a period to avoid confusion with the word in)
- INFISH
- Inland Native Fish Strategy
- INL
- Idaho National Laboratory
- INL OP
- Idaho National Laboratory Oversight Program
- INTEC
- Idaho Nuclear Technology and Engineering Center (INL site)
- ISCE
- initial site characterization and evaluation
- ISDA
- Idaho State Department of Agriculture
- ISO
- International Organization for Standardization
- ISP
- institution with sensitive populations
- ISWC
- Idaho Soil and Water Conservation Commission
- ITD
- Idaho Transportation Department
- IUPAC
- International Union of Pure and Applied Chemists
- IUR
- inhalation unit risk
- IWR
- irrigation water requirement
- IWRRI
- Idaho Water Resources Resarch Institute
- kg
- kilogram
- km
- kilometer
- L
- liter
- LA
- load allocation
- lb
- pound
- LC
- load capacity
- LF
- leaching fraction
- LLC
- land-limiting constituents
- LNAPL
- light nonaqueous phase liquid
- LQG
- large quantity generator (of hazardous waste)
- LR
- leaching requirement
- LUST
- leaking underground storage tank
- m
- meter
- MACT
- maximum available control technology
- MBI
- macroinvertebrate biotic index
- MCL
- maximum contaminant level
- MDAT
- maximum daily average temperature
- MDC
- minimum detectable concentration
- MDL
- method detection limit
- MDMT
- maximum daily maximum temperature
- mg
- milligram
- MG
- million gallon
- mgd
- million gallons per day
- mg/L
- milligrams per liter
- mi
- mile
- mL
- milliliter
- mm
- millimeter
- MM5
- mesoscale meteorological model
- MMBtu
- million British thermal units
- MOS
- margin of safety
- MOU
- memorandum of understanding
- MPC
- monthly precipitation contribution
- mph
- miles per hour
- mR
- milliroentgen
- mrem
- millirem (milliroentgen equivalent in man)
- MRLC
- multiresolution land cover
- MSDS
- material safety data sheet
- MTBE
- methyl tertiary butyl ether
- MU
- management unit (used only with serial number for HMUs)
- MVEB
- motor vehicle emissions budget
- MWMT
- maximum weekly maximum temperature
- MZA
- mixing zone analysis
- NA
- natural attenuation
- NAAQS
- National Ambient Air Quality Standard
- NAIP
- National Agriculture Imagery Program
- NAPL
- nonaqueous phase liquid
- NAPT
- North American Proficiency Testing Program
- NATA
- National-Scale Air Toxics Assessment
- NB
- natural background
- NCEA
- National Center for Environmental Assessment
- NCP
- National Contingency Plan
- ND
- no data (data not available)
- NEPA
- National Environmental Policy Act
- NESHAP
- National Emission Standards for Hazardous Air Pollutants
- NFPA
- National Fire Protection Association
- NH3
- ammonia
- NIOSH
- National Institute for Occupational Safety and Health
- NO2
- nitrogen dioxide
- NO2-N
- nitrite-nitrogen
- NO3-N
- nitrate-nitrogen
- NOAA
- National Oceanic and Atmospheric Administration
- NOD
- nitrogenous oxygen demand
- NOI
- notice of intent
- NOV
- notice of violation
- NOx
- nitrogen oxides
- NPA
- nitrate priority area
- NPDES
- National Pollutant Discharge Elimination System
- NPS
- nonpoint source
- NRAP
- no remedial action planned
- NRC
- Nuclear Regulatory Commission
- NRCS
- National Resources Conservation Service
- NRF
- Naval Reactors Facility (INL site)
- NSF
- National Sanitation Foundation
- NSPS
- New Source Performance Standards
- NTNCWS
- nontransient noncommunity water system
- NTU
- nephelometric turbidity unit
- NVDS
- nonvolatile dissolved solids
- NWS
- National Weather Service
- O&M
- operations and maintenance (manual)
- O3
- ozone
- ORV
- off-road vehicle
- ORW
- outstanding resource water
- OSHA
- Occupational Safety and Health Administration
- PA
- preliminary assessment
- PACFISH
- Pacific Anadromous Fish Strategy
- PAH
- polycyclic aromatic hydrocarbons
- Pb
- lead
- PBR
- permit by rule
- PCB
- polychlorinated biphenyl
- pCi
- picocuries
- PCR
- primary contact recreation
- PE
- professional engineer
- PF
- peaking factor
- PFC
- proper functioning condition
- PM
- particulate matter
- PM2.5
- particulate matter with an aerodynamic diameter of 2.5 micrometers or less
- PM10
- particulate matter with an aerodynamic diameter of 10 micrometers or less
- PNV
- potential natural vegetation
- POC
- point of compliance or persistent organic chemicals
- POE
- point of exposure
- POTW
- publicly owned treatment works
- ppb
- parts per billion
- PPCPs
- pharmaceuticals and personal care products
- PPE
- personal protective clothing and equipment
- ppm
- parts per million
- PPTe
- effective precipitation
- PQL
- practical quantitation limit
- PRR
- public records request
- PS
- point serial (plant tissue monitoring)
- PSC
- petition for site closure
- PSD
- prevention of significant deterioration
- psf
- pounds per square foot
- psi
- pounds per square inch
- psig
- pounds per square inch gage
- PST
- petroleum storage tank
- PTC
- permit to construct
- PVC
- polyvinyl chloride
- PWS
- public water system
- QA
- quality assurance
- QAPP
- quality assurance project plan
- QC
- quality control
- RA
- relative absorption
- RACM
- reasonably available control measure
- RACT
- reasonably available control technology
- RATL
- remedial action target level
- RBCA
- risk-based corrective action
- RBP
- rapid bioassessment protocol
- RCRA
- Resource Conservation and Recovery Act
- RDI
- DEQ’s river diatom Index
- RE
- risk evaluation
- REDOX
- reduction oxidization
- REM
- risk evaluation manual
- RF
- reduction factor
- RfC
- reference concentration
- RfD
- reference dose
- RFI
- DEQ’s river fish index
- RFP
- request for proposal or reasonable further progress
- RH
- relative humidity
- RHCA
- riparian habitat conservation area
- RI
- remedial investigation
- RMI
- DEQ’s river macroinvertebrate index
- RMP
- risk management plan
- RNA
- remediation by natural attenuation
- ROD
- record of decision
- ROE
- route of exposure
- RPI
- DEQ’s river physiochemical index
- RPP
- Reuse Permit Program (wastewater)
- RSL
- EPA regional screening level
- RUSL
- residential use screening level
- RWMC
- Radioactive Waste Management Complex (INL site)
- SAB
- EPA's Science Advisory Board
- SAR
- sodium adsorption rate
- SBA
- subbasin assessment
- SCD
- soil conservation district
- scf
- standard cubic foot
- SCM
- site conceptual model
- SCR
- secondary contact recreation
- SCS
- secondary constituent standard
- SDWA
- Safe Drinking Water Act
- SDWIS
- Safe Drinking Water Information System (database)
- SEI
- streambank erosion inventory
- SF
- slope factor
- SFI
- DEQ’s stream fish index
- SHI
- DEQ’s stream habitat index
- SHPO
- Idaho State Historical Preservation Officer
- SI
- International System of Units or site inspection
- SIC
- Standard Industrial Classification
- SIP
- State Implementation Plan
- SIW
- supplemental irrigation water
- SM
- synthetic minor
- SMA
- smoke management area
- SMI
- DEQ’s stream macroinvertebrate index
- SMU
- soil monitoring unit
- SO2
- sulfur dioxide
- SOP
- standard operating procedure
- SOx
- sulfur oxides
- SPZ
- streamside protection zone
- SQG
- small quantity generator (of hazardous waste)
- SRF
- State Revolving Fund (grant and loan program for wastewater and drinking water infrastructure improvements)
- SRP
- Snake River Plain or soluble reactive phosphorus
- SS
- salmonoid spawning or suspended sediment
- SSOC
- stream segment of concern
- StateComm
- Idaho State Communications Center
- STATSGO
- State Soil Geographic Database
- SVOC
- semivolatile organic chemical
- T&E
- threatened and endangered (species)
- TAN
- Test Area North (INL site)
- TAP
- toxic air pollutant
- TC
- total coliform
- TDG
- total dissolved gas
- TDIS
- total dissolved inorganic solids
- TDL
- target distance limit
- TDS
- total dissolved solids
- TEF
- toxic equivalency factors
- TEOM
- tapered element oscillating microbalance (monitor)
- TEQ
- total toxic equivalency
- TIN
- total inorganic nitrogen
- TKN
- total Kjeldahl nitrogen
- TLD
- thermoluminescent dosimeter
- TMDL
- total maximum daily load
- TN
- total nitrogen
- TNCWS
- transient noncommunity water system
- TOD
- total oxygen demand
- TOT
- time of travel
- TP
- total phosphorus
- tpd
- tons per day
- tpy
- tons per year
- TRA
- Test Reactor Area (INL site)
- TS
- total solids
- TSCA
- Toxic Substances Control Act
- TSD
- technical support document
- TSDF
- treatment, storage, or disposal facility (of hazardous waste)
- TSP
- total suspended particulate
- TSS
- total suspended solids or total suspended sediment
- UCL
- upper confidence level
- UECA
- Uniform Environmental Covenants Act
- UPC
- Uniform Plumbing Code
- US
- United States (no periods, use abbreviation only as an adjective but spell out as a noun)
- USACE
- United States Army Corps of Engineers
- USBR
- United States Bureau of Reclamation
- USC
- United States Code
- USDA
- United States Department of Agriculture
- USDI
- United States Department of the Interior
- USFS
- United States Forest Service
- USGS
- United States Geological Survey
- UST
- underground storage tank
- UTM
- Universal Transverse Mercator
- UV
- ultraviolet
- v.
- versus (legal proceedings)
- VDS
- volatile dissolved solids
- VMT
- vehicle miles traveled
- VOC
- volatile organic compound
- WAG
- watershed advisory group (capitalize Watershed Advisory Group when used as a part of specific group's proper name [e.g., Lower North Fork Clearwater River Watershed Advisory Group])
- WBAG
- Water Body Assessment Guidance
- WBID
- water body identification number
- WET
- whole effluence toxicity
- WLA
- wasteload allocation
- WLAA
- well location acceptability analysis
- WQLS
- water quality limited segment
- WQMP
- water quality management plan
- WQRP
- water quality restoration plan
- WQS
- water quality standards
- WWTP
- wastewater treatment plant
- yd3
- cubic yard