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Acute Exposure Guideline Levels (AEGLs) Committee Meeting December 6-8, 1999

A meeting of the National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances (NAC/AEGL Committee) was held on December 6-8, 1999, in Washington, DC. At this meeting, the NAC/AEGL Committee addressed various aspects of the acute toxicity and the development of Acute Exposure Guideline Levels (AEGLs) for the following chemicals: Agent GA (tabun): Ethyl N,N-dimethylphosphoramidocyanidate, Agent GB (sarin): O-isopropyl methylphosphonofluoridate, Agent GD (soman): O-pinacolyl methylphosphonofluoridate, Agent GF: O-cyclohexyl- methylfluorophosphonate, Agent HD (sulfur mustard): Bis(2- chloroethyl)sulfide, Agent VX: O-ethyl S-(2-diisopropylaminoethyl) methyl-phosphonothiiolate, bromine, 1,2-dichloroethylene, ethylene oxide, methyl isocyanate, otto fuel (propylene glycol dinitrate major component) phosphine, 1,1,1-trichloroethane, and uranium hexafluoride.

There was a discussion of the review and comment by the National Academy of Sciences/National Research Council (NAS/NRC) Subcommittee on certain Interim AEGL values previously published in the Federal Register of October 30, 1997 (62 FR 58840-58851). These chemicals included: Aniline, arsine, chlorine, 1,1-dimethylhydrazine, 1,2-dimethylhydrazine, fluorine, hydrazine, and methyl hydrazine. There was also a discussion regarding further comments on the Standing Operating Procedures.

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