ASTM E1115-11(2017) pdf free. Standard Test Method for Evaluation of Surgical Hand Scrub Formulations. ASTM E1115 is designed to measure the reduction of microbial flora on the skin. It is intended for determining both immediate and persistent (continuing antimicrobial effect) microbial reductions, after single or repetitive treatments, or both. It may also be used to measure cumulative antimicrobial activity after...