Screening and Selecting Building Materials and Products Based on Their Emissions of Volatile Organic Compounds (VOCs)

ABSTRACT: The cost of emissions tests and other factors have discouraged nearly all but the largest product manufacturers from obtaining emissions data. Emissions data, where available, require toxicologic evaluation before design professionals and other potential purchasers can use them. The absence of health effects infonnation at the low exposures likely to occur from nonnal indoor uses of most products and materials increases the uncertainty in any such evaluation. The complex mixture emitted by most products poses an additional interpretation problem. A simple screening procedure to identify potentially problematic products has been developed, and preliminary experience indicates it may be suitable for screening or comparing products during selection by design professionals and other consumers. Commercial specimens are tested for emissions in a small, controlled, dynamic test container over a 24-h period after initial screening by headspace analysis. The procedure allows identification of and quantification of dominant compounds that may then be reviewed for odor, irritancy, toxicity, and carcinogenicity. Only significant quantities of such substances likely to cause adverse effects are considered sufficient basis for rejecting a product. The screening procedure is relevant to the uses required fo