American Water Works Association (AWWA)

Standards Official Notice - Effective June 2017

The following AWWA Standards will be effective June 2017: ANSI/AWWA B550-17 Calcium Chloride (October 13, 2016) ANSI/AWWA B602-17 Copper Sulfate (January 30, 2017) ANSI/AWWA C151/A.21.51-17 Ductile-Iron Pipe, Centrifugally Cast (February 14, 2017) ANSI/AWWA C508-17 Swing-Check Valves for Waterworks Service, 2-In. Through 48-In. (50-mm Through 1,200-mm) NPS (January 3, 2017)
Authors / Editors:
Jun. 2017

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