Abbreviation |
Meaning |
µg |
Microgram inhalation |
µg/L |
Microgram per liter |
µg/m3 |
Microgram per cubic meter |
≤ |
Less than or equal to |
≥ |
Greater than or equal to |
(mg/kg-day)-1 |
Inverse milligrams per kilogram day |
ATSDR |
Agency for Toxic Substances and Disease Registry |
Agricult. |
Agricultural |
As |
Arsenic |
Backgrd. |
Background |
BaP |
Benzo(a)pyrene |
BBP |
Butyl benzyl phthalate |
CAS |
Chemical Abstract Service |
CI |
Confidence interval |
CNS |
Central nervous system |
Comm. |
Commercial |
Contam |
Contaminated |
Cr |
Chromium |
DEHP |
Di(2-ethylhexyl) phthalate |
DEP |
Diethyl phthalate |
E (e.g. E-2) |
Exponent (=10-2) |
EPA |
U.S. Environmental Protection Agency |
Exper. |
Experimental |
Expos. |
Exposure |
Hazard. |
Hazardous |
IgG |
Immunoglobulin G |
IgM |
Immunoglobulin M |
Industr. |
Industrial |
Ingest. |
Ingestion |
Inhal. |
Inhalation |
Inject. |
Injection |
Intraper. |
Intraperitoneal |
Intratrach instill. |
Intratracheal instillation |
IRIS |
Integrated Risk Information System |
IRR |
Incidence rate ratio |
IUGR |
Intrauterine growth retardation |
LOAEL |
Lowest observed adverse effect level |
MCL |
Maximum contaminant level |
metHb |
Methemoglobinemia |
mg/day |
Milligram per day |
mg/kg |
Milligram per kilogram |
mg/kg-day |
Milligram per kilogram per day |
mg/L |
Milligram per liter |
mg/m3 |
Milligram per cubic meter |
Mn |
Manganese |
MRL |
Minimum risk levels |
n |
Subject number |
NCEA |
National Center for Environmental Assessment |
NDMA |
N-nitrosodimethlyamine |
Neonatal |
Birth to one year |
NHL |
Non-Hodgkin's lymphoma |
NIOSH |
National Institute for Occupational Safety and Health |
NTP |
National Toxicology Program |
Occup. |
Occupational |
OPP |
Office of Pesticide Programs |
OR |
Odds ratio |
Pb |
Lead |
PCB |
Polychlorinated biphenyls |
Popul. |
Population |
ppb |
Parts per billion |
ppm |
Parts per million |
Presum. |
Presumably |
PVC |
Polyvinyl chloride |
Resid. |
Residential |
RfC |
Reference concentration |
RfD |
Reference dose |
RQ |
Reportable quantity |
RR |
Relative risk |
SAB |
Spontaneous abortion |
SRBC |
Sheep red blood cells |
subc. |
Subcutaneous |
TCA |
1,1,1-trichloroethane |
TCE |
Trichloroethylene |
TEQs |
Toxic equivalencies |
UST |
Underground storage tank |
VC |
Vinyl chloride |
vol % |
Percent volume |
y |
Year |
Young |
1-18 years |
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