Please read the literature on pumps. It exists. It describes how pump motors can be contaminated by particles of aspirated milk that are sucked up into the motor in the form of aresols (fine particle sprays). Some pathogens cannot live very long on dry surfaces. Some (like hepatitis) can live a very long time indeed. This issue is taken seriously in the dairy industry. Barbara Wilson-Clay BSEd, IBCLC Austin Lactation Associates http://www.lactnews.com *********************************************** The LACTNET mailing list is powered by L-Soft's renowned LISTSERV(R) list management software together with L-Soft's LSMTP(TM) mailer for lightning fast mail delivery. For more information, go to: http://www.lsoft.com/LISTSERV-powered.html