B403-70: AWWA Standard for Aluminum Sulfate--Liquid, Ground, or Lump (PDF)

This standard covers aluminum sulfate, either purified or unpurified, and in lump, ground, or liquid form for use in the treatment of municipal and industrial water supplies. Included are the following sections: general information, affidavit of compliance, rejection, material specifications, impurities, size, clarity, content of aluminum, basicity, iron, insoluble and suspended material, sampling, packing and shipping, marking, and testing methods on specific gravity, total soluble alumina and aluminum, total water soluble iron, ferric iron, ferrous iron, foreign sulfates, sulfate, basicity and free acid.