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ASSE (Plumbing) 1051-2009

Performance Requirements for Individual and Branch Type Air Admittance Valves for Sanitary Drainage Systems
standard by American Society of Sanitary Engineering, 05/01/2009

ASSE (Plumbing) Series 12000

Professional Qualifications Standard for the Health and Safety of Construction and Maintenance Personnel (ASSE/IAPMO/ANSI Series 12000)
standard by American Society of Sanitary Engineering, 07/01/2014