AWWA B512-08

AWWA B512-08 Sulfur Dioxide
standard by American Water Works Association, 10/01/2008

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Full Description

This standard covers sulfur dioxide, a compressed, nonflammable liquified gas, for use in the treatment of municipal and industrial water supplies to remove excess residual chlorine. Sulfur dioxide is corrosive to mild steel if moisture is present. The purpose of this standard is to provide the minimum requirements for sulfur dioxide, including physical, chemical, testing, packaging, and shipping requirements.