"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."
Reproduction
Electronic reproduction. Ann Arbor, MI : ProQuest, 2015. Available via World Wide Web. Access may be limited to ProQuest affiliated libraries.