Ecolab Receives First EPA Approval for Biofilm Disinfection in Drains Thu, 11/19/2020 - 09:10 Type of Content Press Release Layout Standard Format Body ST. PAUL, Minn., November 19, 2020 /3BL Media/ - Ecolab Inc., the global leader in water, hygiene and infection prevention solutions and services, is the first to receive EPA product approval for disinfection of biofilms[i] in wastewater drains for its Virasept™ product – an important part of a comprehensive environmental hygiene program designed