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EFFICACY OF UV IRRADIATION ON EIGHT SPECIES OF BACILLUS
MENETREZ, M. Y., K. FOARDE, T. WEBBER, T. R. DEAN, AND D. BETANCOURT. EFFICACY OF UV IRRADIATION ON EIGHT SPECIES OF BACILLUS. doi:10.1139/S05-041 , D.W. Smith, D.S. Mavinic (ed.), JOURNAL OF ENVIRONMENTAL ENGINEERING AND SCIENCE. NRC Research Press, Ottawa, Canada, 5(4):329-334, (2006).
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Ultraviolet irradiation has been used in the indoor environment to eliminate or control infectious diseases. Heating, ventilating and air-conditioning (HVAC) system components such as duct liners, cooling coils, drip pans, interior insulation and areas subjected to high levels of moisture can create an environment which is prone to biological contamination. The use of germicidal ultraviolet lamps (UVGI) in commercial and residential HVAC systems has increased. UVGI treatment has focused on HVAC component internal surfaces and airflow. A method to determine the antimicrobial efficacy of UVGI irradiation was developed and tested on the surface of agar plates with eight varieties of Bacillus bacteria spores. The percent kill and k value for each organism was calculated for various periods of exposure.
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Record Details:Record Type: DOCUMENT (JOURNAL/PEER REVIEWED JOURNAL)
Organization:U.S. ENVIRONMENTAL PROTECTION AGENCY
OFFICE OF RESEARCH AND DEVELOPMENT
NATIONAL RISK MANAGEMENT RESEARCH LABORATORY
AIR POLLUTION PREVENTION AND CONTROL DIVISION
INTERNAL GRANTS TRAVEL