||NSF international standard/American national standard for drinking water treatment units : residential cation exchange water softeners /
|| NSF International,
Ions--Migration and velocity--Standards. ;
Feed-water purification--Standards. ;
Sequestration (Chemistry)--Standards. ;
Water--Softening--Equipment and supplies--Standards. ;
Drinking water--Purification--Equipment and supplies--Standards. ;
||Region 3 Library/Philadelphia, PA
||vii, 43, A1-A2 p. : ill. ; 28 cm.
||"February 8, 2002, NSF International." "Designated as an ANSI standard February 8, 2002, American National Standards Institute." "Prepared by the NSF Joint Committee on Drinking Water Treatment Units; recommended for adoption by the NSF Council of Public Health Consultants; Adopted by the NSF Board of Directors, December 1987"--T.p. verso. "Revised February 2002"--T.p. verso. "NSF/ANSI 44-2002."
||Ann Arbor, Mich.
|Corporate Au Added Ent
||American National Standards Institute.; NSF International (Organization); National Sanitation Foundation (U.S.)
||Residential cation exchange water softeners\ Water softeners\ Drinking water treatment units
|PUB Date Free Form
|OCLC Time Stamp
|OCLC Rec Leader
||01849nam 2200421Ia 45020