AWWA B100-16 Granular Filter Material
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. Major revisions made to the standard in this edition include the following: added definition of anthracite in accordance with ASTM D388; added Table 7 to clarify maximum sample sizes allowed on individual sieves during sieve analysis; added references within Appendix A-Bibliography; added Appendix C with language related to particle size distribution classification that was in the foreword of the previous revision to the standard; and, added Appendix D with language related to Filter Media Support Gravel Size and Layer Depth that was in the foreword of the previous revision.
Downloadable versions of current and historical standards are also available.