 PITTSBURGH--BUSINESS WIRE--PPG NYSE:PPG today announced that the company has received U.S. Environmental Protection Agency EPA registration for its PPG COPPER ARMORTM antimicrobial paint containing Corning Guardiant technology, proven to kill 99.9 of bacteria and viruses on the painted surface, including SARS-CoV-2, in two hours. The Copper Armor products efficacy was measured using tests that simulate real-world contamination that are mandated by the EPA for products making claims ag 