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John Gregory has nearly 35 years of experience in medical gas system design and inspection, process piping, plumbing and fire protection system design for multiple business classes. He is a certified medical gas inspector, NITC 6020. John serves on the NFPA 99 Technical Committee for piping and installation, and he is a co-chair of the P.I.P.E. Medical Gas Committee in Arizona. Email John at email@example.com.