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Pollution Prevention Demonstration And Evaluation Of Paint Application Equipment And Alternatives To Methylene Chloride And Methyl Ethyl Ketone, Final. (See U.S. EPA Headquarters Library Copy #PB97-104632).

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The report gives results of demontrations of technologies to prevent or control emissions of hazardous air pollutants (HAPs) and volatile organic compounds (VOCs) from processes with high-solvent usage (1) paint stripping using methylene chloride, (2) cleaning paint equipment with methyl ethyl ketone (MEK), and (3) applying paint by spraying solvent-borne coatings. In demonsstration (1) N-methyl pyrrolidone was chosen to replace methylene chloride because it effectively removed Chemical Agent Resistant Coatings (CARCs) in laboratory tests, is nonflammable, and is not classified a HAP by EPA. This substitution will lower HAP emissions 11% from 1992 levels. In demonstration (2) a blend of 40% propylene carbonate and 60% benzyl alcohol (PC/BA), by weight, was chosen to replace MEK. This substitution will lower emissions from HAPs 21% from 1992 levels. The objective of demonstration (3) was to determine if the amount of paint applied to a vehicle could be decreased by providing the painters with a real-time readout of the amount of paint they were using. Results showed that, for identical vehicles, differences up to 30% in the amount of paint used occurred, indicating that potential exists for significant reduction. No actual reductions were shown during the demonstration.

Pollution; Paint removers; Painting; Chloromethanes; Paint applicators; Paint thinners; Benzyl Alcohols; Methyl Ethyl Ketone; Monitors
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EPA Office:
Office of Research and Development
Office Suboffice:
National Risk Management Research Laboratory
Office Division:
Air Pollution Prevention and Control Division
EPA Author:
Whitfield, J.K.; Oppelt, E. Timothy
Document Type:
Economic Impact Assessment
Research Triangle Institute
Document Status:

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