EP A is seeking comments on draft test guidelines for conducting studies on antimicrobial products, including water purifiers, air sanitizers and pre-soak laundry treatments. 76 Fed. Reg. 57,031 (9/15/11). According to EP A, the draft guidelines are intended to help companies meet efficacy data requirements under FIFR A when registering antimicrobial products. The efficacy data are used to support product labels that say a product disinfects or sanitizes. EP A requests comments by December 14, 2011.