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)



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Standing Operating Procedures for Developing Acute Exposure Guideline Levels for Hazardous Chemicals 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)

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Standing Operating Procedures for Developing Acute Exposure Guideline Levels for Hazardous Chemicals 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)

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Standing Operating Procedures for Developing Acute Exposure Guideline Levels for Hazardous Chemicals 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

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Standing Operating Procedures for Developing Acute Exposure Guideline Levels for Hazardous Chemicals 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