The program reviews performance requirements and evaluates newly developed standards and ongoing equipment testing. It tests equipment, develops voluntary national performance standards, and produces user guides. It also supervises a national compliance testing program conducted by independent laboratories and disseminates the results. More than 200,000 copies of standards have been distributed in response to requests, and more than 6,000 justice system practitioners have attended workshops on implementing standards. Projects have covered communications equipment, investigative and forensic aids, security equipment, protective equipment, weapons, vehicles and vehicle accessories, and other types of police equipment. Information for obtaining 100 specific reference documents is provided.