CHAPTER 19. WASTEWATER DISCHARGE AND TREATMENT.
Article V. Reporting and Sampling Requirements.
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.
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
(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
(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).)