§ 51.89 RECORDS RETENTION.
   (A)   Users subject to the reporting requirements of this chapter shall retain, and make available for inspection and copying, all records of information obtained pursuant to any monitoring activities required by this chapter and any additional records of information obtained pursuant to monitoring activities undertaken by the user independent of such requirements.
   (B)   Industrial users shall retain records of all information resulting from any monitoring activities, regardless of whether such monitoring activities were required by the wastewater discharge permit, including documentation associated with best management practices. Such records shall be retained for a minimum of three years and shall include the following for all monitoring activities:
      (1)   The date, exact place, method, and time of sampling, and the name of the person(s) taking the samples;
      (2)   The dates analyses were performed;
      (3)   The name and address of the laboratory that performed the analyses;
      (4)   The analytical techniques or methods used; and
      (5)   The results of such analyses to include the chain of custody.
   (C)   Industrial users shall retain records of all of the following for a minimum of three years:
      (1)   Any reports submitted to the city;
      (2)   Any documentation of inspections conducted by the city; and
      (3)   Any record of communication pertaining to compliance with the city's pretreatment requirements.
   (D)   Industrial users shall retain all control mechanisms and pollution prevention alternatives (for example, slug control plan, toxic organic management plan) for as long as these documents are effective and for at least three 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 These documents are considered ineffective if replaced with a revised document or if the document is no longer applicable to the industrial user.
   (E)   A records retention period shall be automatically extended for the duration of any litigation concerning the user or the city, or where the user has been specifically notified of a longer retention period by the Superintendent.
(‘97 Code, § 51.72) (Ord. 35-84, passed 8-20-84; Am. Ord. 21-12, passed 10-16-12; Am. Ord. 3-19, passed 6-4-19; Am. Ord. 10-22, passed 11-1-22) Penalty, see § 51.99