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Testing Antimicrobial Efficacy on Porous MaterialsUS Environmental Protection Agency
Research Triangle Institute, Center for Engineering and Environmental Sciences, Research Triangle Park, N.C., USA
US Environmental Protection Agency The efficacy of antimicrobial treatments to eliminate or control biological growth in the indoor environment can easily be tested on non-porous surfaces. However, the testing of antimicrobial efficacy on porous surfaces, such as those found in the indoor environment (i.e., gypsum board, heating, ventilating and air-conditioning duct-lin er insulation, and wood products) can be more compli cated and prone to incorrect conclusions regarding re sidual organisms and non-viable allergens. Research to control biological growth using three separate antimicro bial encapsulants on contaminated duct-liner insulation has been performed in both field and laboratory testing. The results indicate differences in antimicrobial efficacy for the period of testing.
Key Words: Antimicrobial efficacy . Biocontaminant . Encapsulant. Heating ventilating and air-conditioning
Indoor and Built Environment, Vol. 11, No. 4,
202-207 (2002) |
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