| AWWA COMMENT PERIOD ON AWWA B600, Powdered Activated Carbon
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AWWA COMMENT PERIOD ON AWWA B600, Powdered Activated Carbon

AWWA COMMENT PERIOD ON AWWA B600, Powdered Activated Carbon
February 20, 2024

AWWA solicits public comments on all proposed new AWWA Standards, and on all proposed revisions, reaffirmations, or withdrawals of existing AWWA Standards. The referenced standards project is being considered for approval and the publication of this notice begins the 45-day public comment period for AWWA and ANSI. An electronic public review copy of the proposed standard can be obtained for review during the comment period by emailing ETS Support (ETSsupport@awwa.org). Comments must be submitted in writing to the AWWA contact listed below no later than the last day of the comment period specified herein. Such comments shall be specific to the section(s) of the standard under review and include sufficient detail so as to enable the reader to understand the commenter's position, concerns and suggested alternative language, if appropriate.

AWWA Comment Period closes on April 8, 2024.

Send comments to:
Nathan Edman, NEdman@awwa.org

303.347.6241 phone

The review copy will be edited for publication and may also be revised as appropriate based on any comments received during the public comment period. Therefore, this copy is not suitable for continued utilization and is intended only for comment purposes.

Final publication of the standard may take several months. When it is available, a notice will be published in the official notice section of Journal - American Water Works Association. The standard becomes an effective AWWA standard on the first day of the month following such publication in Journal - American Water Works Association.


This standard describes powdered activated carbon (PAC) for use in adsorption of impurities for water supply service applications.


Major revisions made to the standard in this revision include the following:

  1.  Threshold odor test was moved from the body of the standard to appendix B, Section B.3, removing it as a requirement of the standard.

  2.  Sec. II.C of the foreword was revised, and Sec. II.D was added.

  3. Options listed as “upon request of the purchaser” were changed to “When requested in the purchase document” to better define the option.

  4. Because of the variety of tannic acids commercially available, the purchaser is now encouraged to conduct the tannin value test in-house or through a reliable third-party laboratory to ensure uniformity of tannin values for each carbon sample submitted.

  5. Sections 6.1.2, 6.2.1, and 6.2.2: “plastic bags” added.

  6. Boilerplate language updated throughout the standard.