A. 
Users subject to the reporting requirements of this Part 2 shall retain, and make available for inspection and copying, all records of information obtained pursuant to any monitoring activities required by this Part 2, any additional records of information obtained pursuant to monitoring activities undertaken by the user independent of such requirements, and documentation associated with BMP established under § 313-19C(5). Records shall include the date, exact place, method, and time of sampling, and the name of the person(s) taking the samples; the dates analyses were performed; who performed the analyses; the analytical techniques or methods used; and the results of such analyses. These records shall remain available for a period of at least three years.
B. 
Any and all records which pertain to matters which are the subject of a notice of violation, administrative order, show-cause hearing, or any other enforcement or litigation activities brought by the City pursuant to this Part 2, shall be retained and preserved for five years, or until all enforcement activities have concluded and all periods of limitation with respect to any and all appeals have expired, whichever is later.