WESTLAKE, OHIO - The American Society of Sanitary Engineering's Board of Directors have recently approved the new revisions made to backflow standards 1013-2009, 1015-2009, 1047-2009, and 1048-2009.

ASSE/IAPMO/ANSI Series 5000 provides minimum performance and testing requirements for backflow prevention assemblies The standard establishes requirements for backflow prevention assembly testers, ...