Acronyms and Abbreviations

ACGIH
American Conference of Governmental Industrial Hygienists
AEGL
Acute Exposure Guideline Level, developed by the EPA
AIHA
American Industrial Hygiene Association
atm
atmosphere
BEI
Biological Exposure Indices, published by ACGIH
BP
boiling point
C
ceiling limit; The concentration that should not be exceeded during any part of the working exposure (ACGIH).
°C
Celsius
CAMEO
Computer-Aided Management of Emergency Operations, maintained by NOAA
CAS
Chemical Abstracts Service
CASRN
Chemical Abstracts Service Registry Number
CHRIS
Chemical Hazards Response Information System, maintained by the U.S. Coast Guard
conc dep
concentration dependent
d
day
dec
decomposes
DOE
U.S. Department of Energy
DOT
U.S. Department of Transportation
EEGL
Emergency Exposure Guidance Level
EPA
U.S. Environmental Protection Agency
ERPG
Emergency Response Planning Guideline, published by AIHA
FP
freezing point
G
gas - state at 25°C
g
gram
GOEV
Guide to Occupational Exposure Values, published by ACGIH
HCN
Health Code Number
HC&P
Handbook of Chemistry and Physics
HSDB
Hazardous Substances Data Bank
HSS
U.S. Department of Energy Office of Health, Safety and Security
IDLH
immediately dangerous to life or health
I
inhalable fraction
insol
insoluble in water
IRIS
Integrated Risk Information System, maintained by the EPA
kg
kilogram
L
liquid - state at 25°C
LANL
Los Alamos National Laboratory
LC50
The concentration of a substance in air that kills 50% of the test population.
LCLo
The lowest concentration of a substance in air that has been shown to cause death in a test population.
LD50
The dose of a substance administered by any route (other than inhalation) that causes death to 50% of the test population.
LDLo
The lowest dose of a substance administered by any route (other than inhalation)that has been shown to cause death in a test population.
LEL
lower explosive limit
LLNL
Lawrence Livermore National Laboratory
LOC
Level of Concern, developed by EPA
LOEL
lowest-observed-effect-level
m3
cubic meter
mm Hg
pressure in millimeters of mercury
MAK
Maximale Arbeitsplatz-Konzentration (maximum workplace concentration) from the German Research Foundation
MF
molecular formula
mg
milligram
min
minute
MP
melting point
MSDS
Material Safety Data Sheet
MW
molecular weight
NFPA HHR
National Fire Protection Association - health hazard rating
NIOSH
National Institute for Occupational Safety and Health
NLM
National Library of Medicine
NOAA
National Oceanic and Atmospheric Administration
NPG
NIOSH Pocket Guide to Chemical Hazards
NTP
National Toxicology Program
OEL
occupational exposure limit
OEV
occupational exposure value
OHMTADS
Oil and Hazardous Materials Technical Assistance Data System
OSHA
Occupational Safety and Health Administration
PAC
Protective Action Criterion, published by DOE
PEL
Permissible Exposure Limit, promulgated by OSHA
PNOS
particulates not otherwise specified
ppm
parts per million
REL
Recommended Exposure Limit
RTECS
Registry of Toxic Effects Chemical Substances
S
solid - state at 25°C
SAR
structure activity relationship
SAX
Lewis, R. J., Sr. (2005). Sax's Dangerous Properties of Industrial Materials (11th Edition). New York: John Wiley & Sons.
SAX Number
Each chemical's identifying code as used in Sax's Dangerous Properties of Industrial Chemicals (SAX)
SAX HR
Hazard rating used in Sax's Dangerous Properties of Industrial Chemicals (SAX)
SCAPA
DOE Subcommittee on Consequence Assessment and Protective Actions
SG
specific gravity
STEL
short-term exposure limit
sol
soluble in water
TCLo
The lowest concentration of a substance in air that has been shown to produce toxic effects in a test population.
TDLo
The lowest dose of a substance that has been shown to produce toxic effects in a test population.
TEEL
Temporary Emergency Exposure Limit
TLV
Threshold Limit Value, published by the ACGIH
TSCA
Toxic Substances Control Act
TWA
time-weighted average
UEL
upper explosive limit
unk
unknown
USCG
U.S. Coast Guard
VP
vapor pressure
WEEL
Workplace Environmental Exposure Level, published by AIHA