This terminology is a compilation of definitions of technical terms used in the plastic piping industry. Terms that are generally understood or adequately defined in other readily available sources are not included. When a term is used in an ASTM document for which Committee F17 is responsible it is included only when judged, after review , by Subcommittee F17.91 to be a generally usable term.

• Year of Declaration: 2010
• Reference: ASTM F 412-07
• Number of Pages: 15
• Code: GYS 98
• Version:
• ICS Number: 01.040.83