All measurements, tests, and analyses of the characteristics of waters and wastes to which reference is made in this chapter shall be determined in accordance with the latest edition of "Standard Methods For The Examination Of Water And Wastewater", published by the American Public Health Association, and shall be determined at the station provided. Sampling shall be carried out by an approved composite sampling device. The composite sample shall be used to determine BOD and suspended solids values. The pH values shall be taken from a continuous recording pH meter. Total organic carbon values may be substituted for BOD values if the city so desires. A continuous recording flowmeter shall be provided to monitor the flow. (Ord. 258, 6-14-1988)