||Emissions test at an asphalt concrete production plant : Asphalt Plant "B" - Cary, North Carolina /
||Pacific Environmental Services, Inc., Research Triangle Park, NC.;Environmental Protection Agency, Research Triangle Park, NC.
||U.S. Environmental Protection Agency,
||EPA 454-R-00-023a; PB2000106635
Air--Pollution--North Carolina ;
Asphalt plants--North Carolina
Air pollution sampling ;
Asphalt plants ;
Emission tests ;
Air pollution measurement ;
Industrial production ;
Polychlorinated dibenzofurans ;
Chemical analysis ;
North Carolina ;
Air quality ;
Hazard Air Pollutants(HAPs) ;
||Region 10 Library/Seattle,WA
||Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy.
||2 v. (various pagings) : ill. ; 28 cm.
||The United States Environmental Protection Agency (USEPA) is investigating the asphalt concrete production source category to identify and quantify emissions of hazardous air pollutants (HAPs) from rotary aggregate dryers used at these facilities. There are two types of rotary drum dryers in use at asphalt concrete production plants: parallel flow, wherein the direction of travel of the drying aggregate is the same as the direction of travel of the burner exhaust gases, and counter flow, wherein the aggregate and exhaust gas flows are opposite to each other. On May 7, 1997, a work assignment was issued by EPA's Office of Air Quality Planning and Standards, Emissions Measurement Center, (OAQPS, EMC) to Pacific Environmental Services, Inc. (PES), of Research Triangle Park, North Carolina. The work Assignment specified that emissions testing for HAPs be conducted on one of each type of aggregate dryer. Two candidate facilities were therefore identified and selected by EPA as host facilities for the testing program. This document describes the test procedures, results, and quality assurance procedures that were employ during the testing of a parallel flow rotary drum aggregate dryer, which was Asphalt Plant 'B', Cary, North Carolina facility.
||"Final report." "Office of Air Quality Planning and Standards." "EPA contract no.: 68D70069."
||U.S. EPA is investigating the asphalt concrete production source category to identify and quantify emissions of hazardous air pollutants (HAPS) from rotary aggregate dryers used at these facilities--Introduction.
||Research Triangle Park, NC :
||See also PB2000-106636. Sponsored by Environmental Protection Agency, Research Triangle Park, NC.
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|Corporate Au Added Ent
||United States. Environmental Protection Agency. Office of Air Quality Planning and Standards.
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