AWWA B100-25 Granular Filter Material
The purpose of this standard is to provide purchasers with a standard for purchasing and installing granular filter material (filter material) and is not a guide for filter design.
Description
This standard describes gravel, high-density gravel, silica sand, high-density media, anthracite filter materials, and the placement of the materials in filters for water supply service application. ANSI/AWWA B604, Standard for Granular Activated Carbon, addresses use of GAC as a filter medium and as an adsorbent.
It can be referenced for purchasing and receiving filter material and can be used as a guide for testing the physical and chemical properties of filter material samples. The stipulations of this standard apply when this document has been referenced, and then only to filter materials used in the treatment of drinking water supplies.