List of Abbreviations

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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List of Abbreviations

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