Theoretical examination of a simplified procedure for data analysis in small chamber testing of material emissions

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TypeTechnical Report
Series titleInternal Report (National Research Council Canada. Institute for Research in Construction); no. IRC-IR-733
Physical description8 p.
SubjectIndoor air
AbstractIn the ASTM D5116-90 "Standard Guide for Small-Scale Environmental Chamber Determinations of Organic Emissions From Indoor Materials/Products", several methods are recommended for calculating the emission factors. The simplest one is the "Direct Calculation of Emission Factor from Individual Concentration Data Points" for cases where the emission rate is nearly constant and the chamber has reached the steady-state. In this paper, we examine the feasibility of extending this method to sources whose emission rate during the period of testing can be approximated by a first order decay model. Many dry building materials (such as carpet, wood-based panels products, etc.) belong to this type of sources. The validity of such a simple method to a greater extend is significant because it will simplify the procedure for small-scale chamber testing.
Publication date
PublisherNational Research Council Canada
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
NRC numberNRC-IRC-7547
NPARC number20338014
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Record identifier135e2357-0ac7-40ad-a45c-6f6be5c90b10
Record created2012-07-19
Record modified2017-06-09
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