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Jeff Gilchrist

The EPA aerosolized non-pathogenic virus (bacteriophage MS2) and measured particle size (0.01 um to 0.6 um) and concentration during the testing in a 3000 square foot test chamber. They found the virus particle concentration was reduced by 40% after 15 minutes, 97% after 30 minutes, 99.4% after 60 minutes and 99.8% after 90 minutes.

More details about this EPA CR box testing project are described here ( twitter.com/MarinaC_Dyb/status ).28/

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