924.18 RECORDS RETENTION.
   (a)   All Industrial Users who discharge or propose to discharge wastewater to the POTW shall maintain such records of production and related factors, effluent flows, and pollutant amounts or concentrations as necessary to demonstrate compliance with the requirements of this chapter and any applicable state or federal pretreatment standards or requirements, including BMPs.
   (b)   All Industrial Users shall retain and preserve for no less than three (3) years, any records, books, documents, memoranda, reports, correspondence, and any and all summaries thereof, relating to monitoring, sampling and laboratory analyses made by or on behalf of an Industrial User in connection with its discharge.
   (c)   For samples, the minimum shall be retained for a minimum of three (3) years:
      (1)   The date, exact place, method, time of sampling, and the names of the person(s) taking the samples.
      (2)   The dates that the analyses were performed.
      (3)   The name and address of the laboratory that performed the analyses.
      (4)   The analytical techniques or methods used.
      (5)   The results of such analyses.
   (d)   All records which pertain to materials which are subject to any enforcement or litigation activities brought by the City pursuant hereto shall be retained and preserved by the Discharger until all enforcement activities have concluded and all periods of limitation with respect to any and all appeals have expired.   
   (e)   Industrial Users shall retain all industrial wastewater discharge permits and pollution prevention alternatives (e.g., slug control plans, toxic organic management plan, etc.) for as long as these documents are effective and for at least three (3) years after the date on which these documents become ineffective. These documents are considered ineffective if replaced with a revised document or if the document is no longer applicable to the Industrial User.
   (f)   Such records shall be made available upon request by the City.
(Ord. 12966/2020. Passed 10-14-20.)