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OLS Field Name OLS Field Data
Main Title Large Indoor Air Test Chamber Characterization.
Author Howard, E. M. ; Mason, M. A. ;
CORP Author Acurex Environmental Corp., Research Triangle Park, NC.;Environmental Protection Agency, Research Triangle Park, NC. Air Pollution Prevention and Control Div.
Publisher 1998
Year Published 1998
Report Number EPA-68-D4-0005; EPA/600/A-98/006;
Stock Number PB98-137466
Additional Subjects Indoor air pollution ; Test chambers ; Leakage ; Laboratory equipment ; Air flows ; Flow rates ; Temperature ; Relative humidity ; Ecological concentration ; Air pollutants ; Air pollution monitoring ; Laboratory tests ; Interlaboratory comparisons ;
Internet Access
Description Access URL
Library Call Number Additional Info Location Last
NTIS  PB98-137466 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 08/30/1998
Collation 18p
Abstract The U.S. Environmental Protection Agency's Indoor Environment Management Branch (IEMB) has designed and installed a state-of-the-art large indoor air quality test chamber in their Research Triangle Park facility. The room-sized (30 cu m) stainless steel test chamber and sophisticated analytical instrumentation will permit characterization of emissions from products and processes that cannot readily be studied using small chambers. Tests have been conducted that were designed to evaluate critical factors that may influence experiments. These tests evaluated (1) chamber system air leakage rate; (2) the ability of the chamber control system to maintain a wide variety of temperature and relative humidity set points; (3) air speed within the chamber at different flow conditions; and (4) mixing of pollutants at different flow and temperature conditions. Results of these tests how the capabilities of the large chamber system, demonstrate its limitations, and point to opportunities for improving its operation.
Supplementary Notes Presented at Engineering Solutions to Indoor Air Quality Problems, Research Triangle Park, NC., July 21-23, 1997. Sponsored by Environmental Protection Agency, Research Triangle Park, NC. Air Pollution Prevention and Control Div.
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NTIS Title Notes Rept. for Jun 95-Apr 97.
Category Codes 68A; 89B; 94K
NTIS Prices PC A03/MF A01
Primary Description 600/13
Document Type NT
Cataloging Source NTIS/MT
Control Number 821200370
Origin NTIS
Type CAT