Effective date, Nov. 1, 2013. First edition approved by AWWA Board of Directors June 12, 2005. This edition approved June 9, 2013. Approved by American National Standards Institute Aug. 28, 2013.
عنوان اصلی به زبان دیگر
عنوان اصلي به زبان ديگر
AWWA B304-13; Liquid oxygen for ozone generation for water, wastewater, and reclaimed water systems