[New York?] : American Water Works Association, 2012.
Fiziksel Tanımlama:
xvi, 38 p. : ill.
Genel Not:
"ANSI/AWWA B604-12 (revision of ANSI/AWWA B604-05)."
At head of title: AWWA standard.
"Effective date: June 1, 2012. First edition approved by AWWA Board of Directors Jan. 28, 1974. This edition approved Jan. 22, 2012. Approved by American National Standards Institute March 27, 2012."