AWWA B304-21

The purpose of this standard is to provide the minimum requirements for LOX intended for the generation of ozone used in the treatment of water, wastewater, and reclaimed water. This standard includes physical, chemical, packaging, shipping, sampling, and testing requirements. This standard can be referenced in purchase documents for LOX and can be used as a guide for sampling and testing the physical and chemical properties of LOX samples. The stipulations of this standard apply when this document has been referenced and then only for LOX used for generation of ozone for water supply applications and in the treatment of potable water, wastewater, or reclaimed water.