steroid testing mandatory. In 2006, Levy County, Florida, volunteer librarians resigned en masse rather than take drug tests. In 2010, Iranian super heavyweight class weightlifters refused to submit to a drug test authorized by the Iran Weightlifting League. See also Cannabis drug tests Detoxification Drug checking Drug-Free Workplace Act of 1988 Equine drug testing Forensic toxicology Lacing (drugs) Presumptive and confirmatory tests Reagent testing School district drug policies Urinalysis Occupational health concerns of cannabis use References External links National Institute on Drug Abuse Drug control law Doping in sport Workplace programs Medical tests Addiction medicine