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Systematic Investigation of Liquid and Fumigant Decontamination Efficacy against Biological Agents Deposited on Test Coupons of Common Indoor Materials
Citation:
U.S. EPA. Systematic Investigation of Liquid and Fumigant Decontamination Efficacy against Biological Agents Deposited on Test Coupons of Common Indoor Materials . U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-11/076, 2011.
Impact/Purpose:
The purpose of this investigation is to determine the efficacy of various fumigation and liquid decontamination technologies for inactivating biological threat agents (represented by Bacillus anthracis, a spore forming bacterium, vaccinia virus that is used for smallpox vaccines, and ricin, a biotoxin) as a function of building material surface and decontamination parameters (concentration, contact time, temperature, and percent relative humidity [RH]). The building materials included glass (small), painted cinder block (cement or concrete), decorative laminate, blown cellulose insulation, particle board, industrial carpet, plate glass, painted I-beam steel, unpainted pine wood and ceiling tile. Tested as fumigant decontaminants were chlorine dioxide, methyl bromide, and hydrogen peroxide. Tested as liquid decontaminants were pH-amended bleach (pH-adjusted bleach), chlorine dioxide solution, and hydrogen peroxide peracetic acid solutions.
Description:
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