The purpose of this ballot is to add language to clarify the usage of the word ‘removes’ along with the percentage of removal is acceptable when describing the cyst reduction claim (DWTU-2004-29), the inclusion of a variance for the inlet pressure in the rated service flow test, a clarification in 6.13.1 - Media test and to correct a publishing error for heptachlor to maintain consistency between the tables for VOC surrogate testing in NSF DWTU Standards. |