VOC emission from building materials - the impact of specimen variability - a case study

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ConferenceIndoor Air Quality Problems and Engineering Solutions: 21 July 2003, Research Triangle Park, N.C.
Pages117; # of pages: 17
Subjectmaterial emissions; chamber testing; volatile organic compounds; variability; uncertainty; Volatile organic compounds
AbstractSignificant progress has been made in the development of standardized methods for the testing and analysis of volatile organic compound (VOC) emission characteristics of different building materials. These standardized techniques facilitate product-product comparisons with regard to VOC emissions, and also provide a basis with which to examine the impact of environmental conditions on VOC emissions. Variability of the test specimen itself is one factor that must be considered when evaluating such tests. In an attempt to gauge this effect, a series of samples of oriented strand board (OSB) were collected and subjected to chamber tests for VOC emissions under standardized conditions (23oC, 50% RH, 1 air change per hour, 0.4 m2/m3 loading). Specimens were collected directly from the mill sites of three different manufacturers. Repeat samples were also collected from the same retail outlet on three separate occasions (same manufacturer, 3 different production dates), from separate panels produced on the same production date, and from multiple locations within the same panel. Variability in the VOC emissions from these samples was found to exceed the analytical uncertainty by an order of magnitude in certain cases.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number47061
NPARC number20377933
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Record identifier1bf7028c-b9c9-4058-a5b8-6199690dde32
Record created2012-07-24
Record modified2016-05-09
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