The American National Standards Institute has recently recognized 10 ASSE Standards as American National Standards. The ASSE Standards that have been recognized as American National Standards are:
 

ASSE 1003-2009: Performance Requirements for Water Pressure Reducing Valves for Domestic Water Distribution Systems, ANSI Approved on January 19, 2009

ASSE 1013-2009: Performance Requirements for Reduced Pressure Principle Backflow Preventers & Reduced Pressure Principle Fire Protection Backflow Preventers, ANSI Approved on January 10, 2010

ASSE 1015-2009: Performance Requirements for Double Check Backflow Prevention Assemblies & Double Check Fire Protection Backflow Prevention Assemblies, ANSI Approved on January 5, 2010

ASSE 1017-2009: Performance Requirements for Temperature Actuated Mixing Valves for Hot Water Distribution Systems, ANSI Approved on January 14, 2010

ASSE 1047-2009: Performance Requirements for Reduced Pressure Detector Fire Protection Backflow Prevention Assemblies, ANSI Approved on January 5, 2010

ASSE 1048-2009: Performance Requirements for Double Check Detector Fire Protection Backflow Prevention Assemblies, ANSI Approved January 5, 2010

ASSE 1049-2009: Performance Requirements for Individual & Branch Type Air Admittance Valves for Chemical Waste Systems, ANSI Approved January 5, 2010

ASSE 1050-2009: Performance Requirements for Stack Air Admittance Valves for Sanitary Drainage Systems, ANSI Approved January 5, 2010

ASSE 1051-2009: Performance Requirements for Individual & Branch Type Air Admittance Valves for Sanitary Drainage Systems, ANSI Approved on January 5, 2010

ASSE 1055-2009: Performance Requirements for Chemical Dispensing Systems, ANSI Approved on December 2, 2009

All of the American Society of Sanitary Engineering's ANSI Approved standards can be purchased online at the ASSE Webstore: http://stores.assewebstore.com, the ANSI Standards Webstore: http://webstore.ansi.org, or the Techstreet Webstore: www.techstreet.com.