PLUTONIUM
C-3
APPENDIX C
LD
Lo
lethal dose, low
LDH
lactic dehydrogenase
LH
luteinizing hormone
LOAEL
lowest-observed-adverse-effect level
LSE
Levels of Significant Exposure
LT
50
lethal time, 50% kill
m
meter
MA
trans,trans
-muconic acid
MAL
maximum allowable level
mCi
millicurie
MCL
maximum contaminant level
MCLG
maximum contaminant level goal
MF
modifying factor
MFO
mixed
function oxidase
mg
milligram
mL
milliliter
mm
millimeter
MMD
mass median diameter
mmHg
millimeters of mercury
mmol
millimole
mppcf
millions of particles per cubic foot
MRL
Minimal Risk Level
MS
mass spectrometry
NAAQS
National Ambient Air Quality Standard
NAS
National Academy of Science
NATICH
National Air Toxics Information Clearinghouse
NATO
North Atlantic Treaty Organization
NCE
normochromatic erythrocytes
NCEH
National Center for Environmental Health
NCI
National Cancer Institute
NCRP
National Council on Radiation Protection
ND
not detected
NFPA
National
Fire Protection Association
ng
nanogram
NHANES
National Health and Nutrition Examination Survey
NIEHS
National Institute of Environmental Health Sciences
NIOSH
National Institute for Occupational Safety and Health
NIOSHTIC
NIOSH's Computerized Information Retrieval System
NLM
National Library of Medicine
nm
nanometer
nmol
nanomole
NOAEL
no-observed-adverse-effect level
NOES
National Occupational Exposure Survey
NOHS
National Occupational Hazard Survey
NPD
nitrogen phosphorus detection
NPDES
National Pollutant
Discharge Elimination System
NPL
National Priorities List
NR
not reported
NRC
National Research Council
NS
not specified
NSPS
New Source Performance Standards
PLUTONIUM
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APPENDIX C
NTIS
National Technical Information Service
NTP
National Toxicology Program
ODW
Office of Drinking Water, EPA
OERR
Office of Emergency and Remedial Response, EPA
OHM/TADS Oil and Hazardous Materials/Technical Assistance Data System
OPP
Office of Pesticide Programs, EPA
OPPT
Office of Pollution Prevention and Toxics, EPA
OPPTS
Office
of Prevention, Pesticides and Toxic Substances, EPA
OR
odds ratio
OSHA
Occupational Safety and Health Administration
OSW
Office of Solid Waste, EPA
OTS
Office of Toxic Substances
OW
Office of Water
OWRS
Office of Water Regulations
and Standards, EPA
PAH
polycyclic aromatic hydrocarbon
PBBK
physiologically based biokinetic
PBPD
physiologically based pharmacodynamic
PBPK
physiologically based pharmacokinetic
PCE
polychromatic erythrocytes
PEL
permissible exposure limit
pg
picogram
PHS
Public Health Service
PID
photo
ionization detector
pmol
picomole
PMR
proportionate mortality ratio
PNL
Pacific Northwest Laboratory
ppb
parts per billion
ppm
parts per million
ppt
parts per trillion
PSNS
pretreatment standards for new sources
RBC
red blood cell
REL
recommended exposure level/limit
RfC
reference concentration
RfD
reference dose
RNA
ribonucleic acid
RQ
reportable quantity
RTECS
Registry of Toxic Effects of Chemical Substances
SARA
Superfund Amendments and Reauthorization Act
SCE
sister chromatid exchange
SD
standard deviation
SE
standard error
SGOT
serum glutamic oxaloacetic transaminase
SGPT
serum glutamic pyruvic transaminase
SIC
standard industrial classification
SIM
selected
ion monitoring
SMCL
secondary maximum contaminant level
SMR
standardized mortality ratio
SNARL
suggested no adverse response level
SPEGL
Short-Term Public Emergency Guidance Level
STEL
short term exposure limit
STORET
Storage and Retrieval
PLUTONIUM
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APPENDIX C
Sv
sievert
TD
50
toxic dose, 50% specific toxic effect
TLV
threshold limit value
TOC
total organic carbon
TPQ
threshold
planning quantity
TRI
Toxics Release Inventory
TSCA
Toxic Substances Control Act
TWA
time-weighted average
UF
uncertainty factor
U.S.
United States
USDA
United States Department of Agriculture
USGS
United States Geological Survey
USNRC
United States Nuclear Regulatory Commission
VOC
volatile organic compound
WBC
white blood cell
WHO
World Health Organization