Suggested Citation:"Abbreviations." National Research Council. 2011. Twentieth Interim Report of the Committee on Acute Exposure Guideline Levels: Part A. Washington, DC: The National Academies Press. doi: 10.17226/13197.
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| ACGIH | American Conference of Governmental Industrial Hygienists |
| AEGL | acute exposure guideline level |
| AIHA | American Industrial Hygiene Association |
| ATSDR | Agency for Toxic Substances and Disease Registry |
| BMCL05 | benchmark concentration with its lower confidence limit at a 5% extra risk |
| BZ | 3-quinuclidinyl benzilate |
| ºC | degree Celsius |
| CAC | chloroacetyl chloride |
| CEELs | community emergency exposure levels |
| COPD | chronic obstructive pulmonary disease |
| DCA | dichloroacetic acid |
| DCAC | dichloroacetyl chloride |
| DCE | dichloroethylene |
| EHS | extremely hazardous substances |
| EPA | U.S. Environmental Protection Agency |
| ERPG | emergency response planning guidelines |
| h | hour |
| HN-1, -2, -3 | nitrogen mustards |
| IARC | International Agency for Research on Cancer |
| ICt50 | concentration and time of a substance causing incapacitation in 50% of an exposure population |
| IDLH | immediately dangerous to life or health |
| IRIS | Integrated Risk Information System |
| L | liter |
| LC01 | lethal concentration to 1% of the exposed population |
| LCL | lower confidence limit |
| LC50 | lethal concentration to 50% of the exposed population |
| LCt50 | concentration and time of a substance that is lethal to 50% of an exposed population |
| LOA | level of odor awareness |
| LOAEL | lowest observed adverse effect level |
| LOEL | lowest observed effect level |
| mg/m3 | milligrams/cubic meter |
| MF | modifying factor |
| min | minute |
| MITC | methyl isothiocyanate |
| mmHg | millimeters of mercury |
| MSD | material safety and data sheet |
Suggested Citation:"Abbreviations." National Research Council. 2011. Twentieth Interim Report of the Committee on Acute Exposure Guideline Levels: Part A. Washington, DC: The National Academies Press. doi: 10.17226/13197.
×
| NAC | National Advisory Committee on Acute Exposure Guideline Levels for Hazardous Substances |
| NIOSH | National Institute for Occupational Safety and Health |
| NOAEL | no observed adverse effect level |
| NOEL | no observed effect level |
| NRC | National Research Council |
| OEL | occupational exposure limit |
| PEL | permissible exposure limit |
| POD | point of departure |
| ppb | parts per billion |
| ppm | parts per million |
| RD50 | concentration of a substance that reduced the respiratory rate of test organisms by 50% |
| REL | recommended exposure limit |
| SOP | standing operating procedures |
| STEL | short-term exposure limit |
| TLV | Threshold Limit Value |
| TRI | Toxics Release Inventory |
| TSD | technical support document |
| TWA | time-weighted average |
| μg | microgram |
| UF | uncertainty factor |
| URL | uniform resource locator |
| WEEL | workplace environmental exposure limit |
