An excerpt from the 1999 edition of NFPA 99, this updated document conveniently organizes the requirements and recommendations for piped non-flammable gas and vacuum systems used in hospitals, nursing homes, clinics, medical and dental offices, and other facilities. You?ll get updated requirements for? Isolation valves used in air compressor supply systems Installer performance testing Brazier qualifications and brazing procedure Waste anesthetics disposal systems NFPA 99C covers performance criteria, installation, inspection, maintenance, testing, and safety practices to assist piped gas system designers, inspectors, contractors, and health care facility administrative and engineering personnel.