EPA MB-31-07 Stainless Steel Carriers

Type 304 stainless steel carriers used in US Environmental Protection Agency (EPA) Office of Pesticide Programs SOP No. MB-31-07 (Quantitative Method for Testing Antimicrobial Agents Against Spores of C. difficile on Hard, Non-porous Surfaces). Each carrier is a 1 cm disc of 22 gauge stainless steel. The discs are polished one side to 150 grit, deburred, and passivated as specified in MB-31-07.