Part 192Subpart F—Joining of Materials Other Than by Welding§ 192.271Scope§ 192.273General§ 192.275Cast iron pipe§ 192.277Ductile iron pipe§ 192.279Copper pipe§ 192.281Plastic pipe§ 192.283Plastic pipe: Qualifying joining procedures§ 192.285Plastic pipe: Qualifying persons to make joints§ 192.287Plastic pipe: Inspection of joints