An American National Standard. The American Society of Mechanical Engineers (ASME). Date of Issuance: June 15, 2004. Revision and Consolidation of ASME A112.19.2M-1998 and ASME A112.19.6-1995. 71p.This Standard establishes requirements and test methods pertaining to materials, significant dimensions, and functional performance for vitreous china plumbing fixtures. The sanitary performance requirements and test procedures apply to all types of water closets and urinals that discharge into gravity waste systems in permanent buildings and structures, independent of occupancy.