Hi Doug, Please send me a copy of your article; I always like to have literature to support what we do in the lab. It is greatly appreciated! Sincerely, Derek Wimmer Oread, Inc. 1501 Wakarusa Drive Lawrence, KS 66047 direct (785) 865-1779 fax (785) 865-1701 D.W. Cooper, "Using Swabs for Cleaning Validation: A Review," pp. 74-89, Cleaning Validation, Institute of Validation Technology, Royal Palm Beach, FL, 1998. ------------------ The PMFList (http://microbiol.org/pmf.htm) is operated from The Microbiology Network (http://microbiol.org) and supported by our sponsors (http://microbiol.org/sponsor.htm) as a service to the scientific community.