Comparison of Analytical Techniques for Measuring Hydrocarbon Emissions from the Manufacture of Fiberglass-Reinforced Plastics |
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| Authors: | Robert S Wright Emery J Kong Mark A Bahner C Andrew Clayton Carlos M Nuñez Geddes H Ramsey |
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| Institution: | 1. Research Triangle Institute , Research Triangle Park , North Carolina , USA rsw@rti.org;3. Research Triangle Institute , Research Triangle Park , North Carolina , USA;4. U.S. Environmental Protection Agency , Research Triangle Park , North Carolina , USA |
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| Abstract: | ABSTRACT Research Triangle Institute and the U.S. Environmental Protection Agency conducted several projects to measure hydrocarbon emissions associated with the manufacture of fiberglass-reinforced plastics. The purpose of these projects was to evaluate pollution prevention techniques to reduce emissions by altering raw materials, application equipment, and operator technique. Analytical techniques were developed to reduce the cost of these emission measurements. Emissions from a small test mold in a temporary total enclosure (TTE) correlated with emissions from full-size production molds in a separate TTE. Gravimetric mass balance measurements inside the TTE generally agreed to within ± 30 % with total hydrocarbon (THC) measurements in the TTE exhaust duct. Pure styrene evaporation tests served as quality control checks for THC measurements and generally agreed to within ± 5 %. |
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