All Dischargers subject to this Chapter 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 monitoring, sampling and chemical analysis made by or in behalf of a Discharger in connection with its discharge. All records which pertain to matters which are the subject of Administrative Adjustment or any other enforcement or litigation activities brought by the City and/or Control Authority 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. (Ord. 12-38. Passed 11-19-12.)