| A1 |
confirmed
human carcinogen (ACGIH) |
| A2
|
suspected
human carcinogen (ACGIH) |
| A3
|
animal
carcinogen (ACGIH) |
| A4
|
not
classifiable as a human carcinogen (ACGIH) |
| A5
|
not
suspected as a human carcinogen (ACGIH) |
| ACGIH
|
American
Conference of Governmental Industrial Hygienists |
| AIHA
|
American
Industrial Hygiene Association |
| CAS
|
Chemical
Abstract Service |
| CF
|
correction
factor for LC data |
| CFR
|
Code
of Federal Regulations |
| EEGL
|
emergency
exposure guidance level (NRC) |
| ERPG
|
emergency
response planning guideline (AIHA) |
| IDLH
|
immediately
dangerous to life or health concentration value |
| i.p.
|
intraperitoneal |
| i.v.
|
intravenous |
| kg
|
kilogram |
| LC
|
lethal
concentration |
| LC50
|
concentration
causing death in 50% |
| LCLo
|
lowest
concentration causing death |
| LD
|
lethal
dose |
| LD50
|
dosage causing death in 50% |
| LDLo
|
lowest
dosage causing death |
| LEL
|
lower
explosive limit |
| mg/kg
|
milligrams
per kilogram of body weight |
| mg/m3
|
milligrams per cubic meter of air |
| mmHg
|
millimeters
of mercury (pressure measurement) |
| mppcf
|
millions
of particles per cubic foot of air |
| NIOSH
|
National
Institute for Occupational Safety and Health |
| NRC
|
National
Research Council |
| OSHA
|
Occupational
Safety and Health Administration |
| PEL
|
permissible
exposure limit (OSHA) |
| ppm
|
parts
per million parts of air |
| RD50
|
concentration
producing a 50% decrease in respiratory rate following
a 10-minute exposure |
| REL
|
recommended
exposure limit (NIOSH) |
| s.c.
|
subcutaneous |
| SCP
|
Standards
Completion Program (NIOSH/OSHA) |
| SPEGL
|
short-term
public emergency guidance level (NRC) |
| STEL
|
Short-term
exposure limit |
| TCLo
|
lowest
concentration resulting in a toxic effect |
|
|
| TDLo
|
lowest
dose resulting in a toxic effect |
| TLV
|
threshold
limit value (ACGIH) |
| TWA
|
time-weighted
average |
