Sec. 19-5-15. Sampling, analysis and test procedures.

(a) All analysis and testing by the city or industrial users required by this chapter shall conform to procedures established by the Administrator pursuant to Section 304(g) of the Act and contained in 40 CFR Part 136 and amendments thereto or with any other test procedures approved by the Administrator. Sampling shall be performed in accordance with the techniques approved by the Administrator. Where 40 CFR Part 136 does not include a sampling or analytical technique for the pollutant in question, sampling and analysis shall be performed in accordance with the techniques approved by EPA or found in the EPA publication, “Sampling and Analysis Procedures for Screening of Industrial Effluents for Priority Pollutants,” April 1977.
(b) If sampling by a user indicates a violation, the user must notify the director within twenty-four hours of becoming aware of the violation. The user must also resample and submit results of this resampling to the director within thirty days.
(c) Except as indicated in subsection (d), of this section, the user shall collect wastewater samples using flow proportional composite collection techniques. In the event flow proportional sampling is infeasible, the director my authorize the use of time proportional composite sampling or a minimum of four grab samples where the user demonstrates to the director's satisfaction that this will provide a representative sample of the effluent being discharged. In addition, grab samples my be required to show compliance with instantaneous discharge limits.
(d) Samples for oil and grease, temperature, pH, cyanide, phenols, sulfide, and volatile organic compounds must be obtained using grab sample collection techniques.
(e) In all cases where this chapter requires either sampling, analysis or testing of wastewater by a user, all such sampling, analysis and testing shall be performed at the user's expense by an independent laboratory approved by the director. Nothing in this subsection shall be construed to prevent a user from performing its own sampling, analysis and testing in those circumstances where such is not required to be performed by this chapter. (Ord. No. 1271, § 1 (part).)