I read Karen547's post from last month and the attitude of the staff at her center bothered me as well. Like most people I'm reluctant to take anyone to task unless I think I have the high ground of being right. That's a difficult thing to know if one isn't an expert. So here's a definitive source of what's right for the USA.
OSHA - Occupational Safety and Health Administration Bloodborne Pathogen Standards.
http://www.osha.gov/SLTC/bloodbornepathogens/index.htmlJoe