Appendix C
Glossary of Acronyms, Abbreviations, and Symbols
AAPCC
American Association of Poison Control Centers
ACGIH
American Conference of Governmental Industrial Hygienist
ACOEM
American College of Occupational and Environmental Medicine
ADI
acceptable daily intake.
AEGL
acute exposure guidelines levels
AFL-CIO
American Federation of Labor-Congress of Industrial Organizations
AIHA
American Industrial Hygienist Association
ATSDR
Agency for Toxic Substances and Disease Registry (U.S.)
BMC
benchmark concentration
BMC05
benchmark concentration, 5% response
BMC10
benchmark concentration, 10% response
CAAA
Clean Air Act Amendments (U.S. EPA)
CAER
Community Awareness and Emergency Response
CMA
Chemical Manufacturers Association, now known as the American Chemistry Council
CAS
Chemical Abstract Service (U.S.)
CDC
Centers for Disease Control and Prevention (U.S. DHHS)
CEEL
community emergency exposure levels (U.S. NRC)
CEL
continuous exposure limits (U.S. NRC)
COT
Committee on Toxicology (U.S. NRC)
C×t
concentration×time
CURE
Chemical Unit Record Estimate database
DFO
designated federal officer
DOD
Department of Defense (U.S.)
DOE
Department of Energy (U.S.)
DOT
Department of Transportation (U.S.)
DTIC
Defense Technical Information Center (U.S.)
ECETOC
European Chemical Industry Ecology and Toxicology Centre
EEGL
emergency exposure guidance levels (U.S. NRC)
EEL
emergency exposure limits (U.S. NRC)
einsatz-toleranzwert
[action tolerance levels] (Federation for the Advancement of German Fire Prevention)
EPA
Environmental Protection Agency (U.S.)
ERP
emergency response planning (AIHA)
ERPG
emergency response and planning guidelines (AIHA)
FACA
Federal Advisory Committee Act (U.S.)
FDA
Food and Drug Administration (U.S.)
FEDRIP
Federal Research in Progress (U.S.)
FEMA
Federal Emergency Management Agency (U.S.)
FEV1
forced expiratory volume
GLP
Good Laboratory Practices
GSA
General Services Administration (U.S.)
HEAST
Health Effects Assessment Tables
HSDB
Hazardous Substances Data Base
HUD
Department of Housing and Urban Development (U.S.)
IARC
International Agency for Research on Cancer
IDLH
immediately dangerous to life and health (U.S. NIOSH)
IPCS
International Programme for Chemical Safety
IRIS
Integrated Risk Information System (U.S. EPA)
LC01
lethal concentration, 1% lethality
LC50
lethal concentration, 50% lethality
LCL
lower confidence limit
LOAEL
lowest-observed-adverse-effect level
MAC
minimum alveolar concentration
MAC
maximum acceptable concentration (The Netherlands)
MAK
maximale arbeitsplatzkonzentration [maximum workplace concentration] 8-h time-weighted average (German Research Association)
MAK. S
spitzenbegrenzung (kategorie ii, 2) [MAK peak limit (category II, 2)] 30 min×2 per day (Germany)
MCS
multiple chemical sensitivity
MF
modifying factor
MLE
maximum likelihood estimate
MLE01
maximum likelihood estimate, 1% response
MTD
maximum tolerated dose
N/A
not applicable
NAAQS
National Ambient Air Quality Standards (U.S.)
NAC
National Advisory Committee
NAC/AEGL
National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances (NAC/AEGL Committee)
NAS
National Academy of Sciences (U.S.)
NASA
National Aeronautical and Space Administration (U.S.)
NCI
National Cancer Institute (U.S.)
NIOSH
National Institute for Occupational Safety and Health (U.S.)
NOAEL
no-observed-adverse-effect level
NRC
National Research Council (U.S.)
NRC/AEGL
National Research Council Subcommittee on Acute Exposure Guideline Levels (NRC/AEGL Subcommittee) (U.S.)
NSF
National Science Foundation (U.S.)
NTIS
National Technical Information Service (U.S.)
NTP
National Toxicology Program (U.S.)
OECD
Organization for Economic Cooperation and Development
ORNL
Oak Ridge National Laboratories (U.S.)
OSHA
Occupational Safety and Health Administration (U.S.)
OSWER
Office of Solid Waste and Emergency Response (U.S.)
PEL-TWA
permissible exposure limit-time-weighted average (U.S. OSHA)
PEL-STEL
permissible exposure limit-short-term exposure limit (U.S. OSHA)
QA
quality assurance
QC
quality control
QSARs
quantitative structure activity relationships
REL-STEL
recommended exposure limit-short-term exposure limit (U.S. NIOSH)
REL-TWA
recommended exposure limits-time-weighted average (U.S. NIOSH)
RfC
reference concentration (U.S. EPA)
RfD
reference dose (U.S. EPA)
RTECS
Registry of Toxic Effects of Chemical Substances
SARA
Superfund Amendments and Reauthorization Act (CERCLA)
SMAC
spacecraft maximum allowable concentrations
SOP
standing operating procedures
SPEGL
short-term public emergency guidance levels (U.S. NRC)
STPL
short-term public limit (U.S. NRC)
TARA
Toxicology and Risk Assessment Document List (U.S. ORNL)
TLV-STEL
Threshold Limit Value-short-term exposure limit (ACGIH)
TLV-TWA Threshold Limit Value-time-weighted average (ACGIH)
TSD
technical support document
UF
uncertainty factor
WEEL
workplace environmental exposure level (AIHA)
> |
greater than |
≥ |
greater than or equal to |
< |
less than |
≤ |
less than or equal to |
% |
percent |
dL |
deciliter |
g |
gram |
h |
hour |
µm |
micrometer |
µg |
microgram |
mg |
milligram |
min |
minute |
mL |
milliliter |
mm |
millimeter |
ppb |
parts per billion |
ppm |
parts per million |
ppt |
parts per trillion |