This standard describes sulfur dioxide, a compressed, nonflammable liquified gas, for use in the treatment of municipal and industrial water supplies to remove excess residual chlorine. The sections on Inspection (5.1.2) and Notice of Nonconformance (5.4.4) have been revised to approved wording.
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Original price was: $140.00.$70.00Current price is: $70.00.
AWWA Standard for Sulfur Dioxide
American Water Works Association , 08/01/2002
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