The purpose of this standard is to provide the minimum requirements for ZOP, including physical, chemical, sampling, packaging, shipping, and testing requirements.

This standard can be referenced in documents for purchasing and receiving ZOP and can be used as a guide for testing the physical and chemical properties of ZOP samples. The stipulations of this standard apply when this document has been referenced and then only to ZOP used in the treatment of potable water, wastewater, or reclaimed water.