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Standards History
AWWA B603   2023   Permanganates 40 $
AWWA B603   2016   Permanganates 40 $
AWWA B603   2010   Potassium Permanganate 25 $
AWWA B603   2003   Potassium Permanganate 25 $
AWWA B603   1998   Potassium Permanganate 15 $