§ 55.063 RECORDKEEPING.
   (A)   Industrial 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, any additional records of information obtained pursuant to monitoring activities undertaken by the industrial user independent of such requirements, and documentation associated with Best Management Practices established under § 55.001(C).
   (B)   (1)   Records shall include:
         (a)   The date, exact place, method, and time of sampling, and the name of the person(s) taking the samples;
         (b)   The dates analyses were performed;
         (c)   Who performed the analyses;
         (d)   The analytical techniques or methods used; and
         (e)   The results of such analyses.
      (2)   These records shall remain available for a period of at least three years. This period shall be automatically extended for the duration of any litigation concerning the industrial user or the City, or where the industrial user has been specifically notified of a longer retention period by the Public Works Superintendent.