On behalf of the Effluent Task Group, Tom Konsler – Task group chair, enclosed for your review and ballot is the final draft of NSF/ANSI 46, issue 22, revision 1 for Field Longevity Verification for Septic Tank Filters. Please review the changes proposed to this standard and submit your ballot by September 7, 2012 via the NSF online workspace (http://standards.nsf.org).
This section of NSF/ANSI 46, Field Longevity Verification for Septic Tank Effluent Filters, was developed as a means to evaluate the longevity performance of filtration devices for residential gravity flow septic systems under field conditions. Establishment of a section within an American National Standard ensures a single, comprehensive method for conducting field evaluations, and enables broad acceptance of data to minimize redundant efforts. |
