Historical
IAPMO IGC 67-2004
INTERIM GUIDE CRITERIA FOR SPECIALIZED MISCELLANEOUS PLASTIC DWV FITTINGS AND FITTING ASSEMBLIES
The provisions of the standard are to allow for the establishment of technology for specialized plastic DWV fitting assemblies. The provision of the standard is not intended to prevent the use of alternate design, assembly configuration, method or material, provided any such alternate meets the performance and minimum specification criteria outlined herein.
International Association of Plumbing and Mechanical Officials [iapmo]