On September 8, 2015, the Environmental Protection Agency (EPA) announced that it will host a Disinfection Hierarchy Stakeholder Workshop and corresponding webinar on October 7, 2015, from 8:30 a.m. – 5:00 p.m. (EDT). The “disinfection hierarchy” describes the descending order of susceptibility of classes of microorganisms to antimicrobial chemicals. Demonstrated efficacy against a representative organism would support a manufacturer’s claims against more...