AWWA B550
AWWA Standard B550-00 (Revision of B550-96): Standard for Calcium Chloride
This standard covers calcium chloride (CaCl2), in the form of powder, pellet, granule, flake, or briquette for use in water supply treatment. The main purpose of this standard is to provide the minimum requirements for calcium chloride, including physical, chemical, packaging, shipping, and testing requirements.