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Date: 2012-01-04 09:56:22United States Environmental Protection Agency Emission standards Air pollution in the United States National Emissions Standards for Hazardous Air Pollutants Smog Acrolein AP 42 Compilation of Air Pollutant Emission Factors Air pollution Pollution Atmosphere | Microsoft Word - SAS_2_ATAC_6-7-07_V5.docDocument is deleted from original location. Download Document from Web Archive |