1.1 This test method covers determining the effectiveness of an antibacterial handwash for reducing the level of aerobic bacterial flora on the hands, following an extended period of use.

1.2 A knowledge of microbiological techniques is required for these procedures.

1.3 In this test method metric units are used for all applications, except for distance. In this case, inches are used and metric units follow in parentheses.

1.4 Performance of this procedure requires the knowledge of regulations pertaining to the protection of human subjects. (Title 21 CFR, Part 50).

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.