(a newspaper article which has been clipped with no reference appended -- I will try to find the reference if anyone is interested. JPM is the source of the 90% marijuana positive estimate.) TESTING EMPLOYEES FOR DRUGS By Barbara Presley Noble.
``It is a sacred cannon of belief of the urine testers that drug users have higher accident rates, increased rates of litigation and medical claims,'' said Dr. John P Morgan, a professor of pharmacology at the City University of New York Medical School. ``The claims are always stated. They are simply not documented.''
Dr. Morgan, who is writing an academic review of research on work place drug testing, said most people who test positive for drugs are occasional marijuana users. ``No data indicate they are bad workers. They are no different than anyone else,'' he said.