“Standard Methods” means the most recent edition of “Standard Methods for the Examination of Water and Wastewater,” published by the American Public Health Association, American Water Works Association, the Water Environment Federation and 40 CFR Part 136 and amendments thereto. Analysis must be performed by a laboratory certified by the Kansas Department of Health and Environment. (Ord. 22-42 § 26, 2022; Ord. 92-22 § 2, 1992.)