Twelfth Interim Report of the Subcommittee on Acute Exposure Guideline Levels

Twelfth Interim Report of the Subcommittee on Acute Exposure Guideline Levels

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Extremely hazardous substances (EHSs), as defined in the Superfund Amendments and Reauthorization Act of 1986, can be released accidentally as a result of chemical spills, industrial explosions, fires, or accidents involving railroad cars or trucks used in transporting these substances, or intentionally through terrorist activities. It is also feasible that these substance can be released by improper storage and/or handling. Workers and residents in communities surrounding industrial facilities where EHSs are manufactured, used, or stored and in communities along the nation's railways and highways are potentially at risk of being exposed to airborne EHSs during accidental and intentional releases. This report provides technical guidance on establishing community Acute Exposure Guideline Levels (AEGLs) for certain hazardous chemicals. It reviews the scientific validity of AEGLs developed by the national Advisory Committee on Acute Exposure Guideline Levels for Hazardous Substances, identifies research priorities, and identifies guidance issues that may require modification or further development based on the toxicological database for the chemicals reviewed. This twelfth interim report offers recommendations for improving AEGLs for the following 15 chemicals: toluene, xylenes, ammonia, bromine, aniline, methyl ethyl ketone, hydrazine, iron pentacarbonyl, phosphine, chlorine, trifluoride, ethyleneimine, propyleneimine, allyl alcohol, ethylene oxide, and nickel carbonyl.This should not be done in order to a€œmake the numbers work.a€ The basis for ... Does this protect the individual from other adverse health effects as well? ... As written, the text begs the questions, if NAC recognizes the potential carcinogenicity of allyl alcohol, why dona#39;t the AEGL values recognize that conclusion accordingly?

Title:Twelfth Interim Report of the Subcommittee on Acute Exposure Guideline Levels
Author:Committee on Toxicology, Subcommittee on Acute Exposure Guideline Levels, Board on Environmental Studies and Toxicology, Division on Earth and Life Studies, National Research Council
Publisher:National Academies Press - 2005-02-03


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