1.1 This test method is used to evaluate the antimicrobial efficacy of sanitizers on precleaned inanimate, nonporous, non-food contact surfaces.

1.2 This test method may also be used to evaluate the antimicrobial efficacy of one-step cleaner/sanitizer formulations recommended for use on lightly soiled, inanimate, nonporous, non-food contact surfaces.

1.3 It is the responsibility of the investigator to determine whether Good Laboratory Practices (GLP) is required and to follow them where appropriate (see 40 CFR, 160) or as revised.

1.4 This standard may involve hazardous materials, chemicals and microorganisms and should be performed only by persons who have had formal microbiological training. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.