This standard covers ammonium sulfate for use in water supply service. The main purpose of this standard is to provide the minimum requirements for ammonium sulfate, including physical, chemical, packaging, shipping, and testing requirements. This standard can be referenced in specifications for purchasing and receiving ammonium sulfate and can be used as a guide for testing the physical and chemical properties of ammonium sulfate samples.

Downloadable versions of current and historical standards are also available.