Sixteenth Interim Report of the Committee on Acute Exposure Guideline Levels (2009)Board on Environmental Science and Toxicology
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Formed in 1995 by EPA, several other federal and state agencies, and several private organizations, the National Advisory Committee on Acute Exposure Guideline Levels for Hazardous Substances (referred to as the NAC) develops, reviews, and approves acute exposure guideline levels (AEGLs) for up to 400 extremely hazardous substances (EHSs). AEGLs have a broad array of potential applications for federal, state, and local governments and for the private sector. They are necessary for prevention and emergency-response planning for potential releases of EHSs, either from accidents or as a result of terrorist activities. This report includes an assessment of the NAC's draft AEGLs documents for the following 26 chemicals: bromine pentafluoride, bromine trifluoride, carbon monoxide, chlorine pentafluoride, chloroacetone, hexafluoroacetone, hydrogen bromide, hydrogen iodide, hydrogen selenide, metal phosphides (aluminum phosphide, potassium phosphide, sodium phosphide, zinc phosphide, calcium phosphide, magnesium phosphide, strontium phosphide, and magnesium aluminum phosphide), nerve agent VX, propargyl alcohol, selenium hexafluoride, sulfur dioxide, sulfuryl chloride, trimethylbenzenes (1,3,5-, 1,2,4-, and 1,2,3-trimethylbenzene), and vinyl chloride. The report also summarizes the committee's conclusions and recommendations for improving the Standing Operating Procedures for Developing Acute Exposure Guideline Levels for Hazardous Substances published in 2001.