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OLS Field Name OLS Field Data
Main Title Sorbent-coated diffusion denuders for direct measurement of gas/particle partitioning by semi-volatile organic compounds.
Author Gundel, L. A. ; Lane, D. A. ;
CORP Author USDOE Office of Energy Research, Washington, DC (United States). ;Department of Health and Human Services, Washington, DC (United States). ;Atmospheric Environment Service, Montreal, PQ (Canada). ;Environmental Protection Agency, Washington, DC (United States).
Publisher 31 Jan 1998
Year Published 1998
Report Number LBNL-41278; AC03-76SF00098, 5-R01-HL42490;
Stock Number DE98056099
Additional Subjects Air Pollution Monitoring ; Air Samplers ; Polycyclic Aromatic Hydrocarbons ; Design ; Phase Studies ; Experimental Data ; Performance Testing ; Tables(data) ; EDB/540120
Library Call Number Additional Info Location Last
NTIS  DE98056099 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 05/04/2000
Collation 47p
Abstract Sorbent-coated annular denuder-based samplers have been developed for direct determination of both gaseous and particulate semi-volatile organic species. The first such sampler, the Integrated Organic Vapor/Particle Sampler, has been validated for sampling semi-volatile PAH in ambient air and environmental tobacco smoke. Multi-channel versions of the IOVPS have been used successfully for investigation of gas/particle partitioning of a variety of semi-volatile organic species in combustion source-enriched environmental chambers. Subsequent improvements have resulted in two new higher-capacity samplers, the IOGAPS and the jumbo-IOGAPS, that use the same sorbent for sampling trace organics in the ambient atmosphere for 24--48 hr periods over a wide temperature range. Construction of these new samplers began by incorporating the IOVPS coating technology onto the gas collection surfaces of the higher capacity GAP sampler. Substantial design effort aims to ensure that vapor phase components as volatile as naphthalene can be trapped efficiently and retained by the sorbent-coated surface while the particles pass through to the filter.
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Category Codes 68A; 99A
NTIS Prices PC A04/MF A01
Document Type NT
Cataloging Source NTIS/MT
Control Number 930200990
Origin NTIS
Type CAT