The AWWA Standards Council has approved revisions to this standard for public comment. The publication of this information on the AWWA website begins the 30-day AWWA comment period for action on standards by the Standards Council. Purchase a review copy during the comment period for $20 each. AWWA Comment Period is now closed. Review copies are no longer available. Send comments to: Steve Posavec 303.347.6175 phone 303.795.7603 fax 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 Therefore, this copy is not suitable for continued utilization and is intended only for comment purposes.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 . SCOPE This standard describes sodium hydroxide, anhydrous and liquid, for use in the treatment of potable water, wastewater, or reclaimed water. MAJOR REVISIONS Major changes made to the standard in this edition include the following: 1. Inclusion of the use of this material for wastewater and reclaimed water as well as definitions of these terms (Secs. 1 and 3).