1. A. An owner and an operator of a UST system shall maintain records demonstrating compliance with the applicable requirements of this chapter:

   1. (1) In accordance with COMAR 26.10.04.05;
   2. (2) For at least 1 year at the regulated substance storage facility;
   3. (3) For at least 5 years at a location designated by the owner of the UST system; and

   4. (4) That include the following information:

      1. (a) Written performance claims pertaining to any release detection system used, and the manner in which these claims have been justified or tested by the equipment manufacturer or installer;

      2. (b) The results of any sampling, testing, or monitoring including:

         1. (i) The results of annual operability tests required in Regulation .01C of this chapter; and
         2. (ii) The results of precision tightness testing conducted in accordance with Regulation .05D of this chapter; and
      3. (c) Written documentation for all calibration, maintenance, and repair of release detection equipment permanently located on-site, and any schedules of required calibration and maintenance provided by the release detection equipment manufacturer.
2. B. An owner and an operator of a UST system shall maintain records of site assessments required under Regulation .05F of this chapter for as long as the groundwater monitoring method is used.

Authority: Environment Article, §§4-401, 4-402, 4-405, 4-407—4-411.2, 4-415.1, 4-417, 4-701 et seq., and 7-201 et seq., Annotated Code of Maryland

Effective date: February 4, 1991 (18:2 Md. R. 151)

Chapter revised effective November 4, 1996 (23:22 Md. R. 1498)

Regulation .01 amended effective February 18, 2002 (29:3 Md. R. 224)

Regulation .01A amended effective January 12, 2009 (36:1 Md. R. 25)

Regulation .02B amended effective June 29, 1998 (25:13 Md. R. 997)

Regulation .02C amended effective January 16, 2006 (33:1 Md. R. 39)

Regulation .02D amended effective January 12, 2009 (36:1 Md. R. 25)

Regulation .04 amended effective January 12, 2009 (36:1 Md. R. 25)

Regulation .04B amended effective June 29, 1998 (25:13 Md. R. 997)

Regulation .04C amended effective February 18, 2002 (29:3 Md. R. 224); January 16, 2006 (33:1 Md. R. 39)

Regulation .06 amended effective January 16, 2006 (33:1 Md. R. 39)

Regulations .01—.06 repealed and new Regulations .01—.06 adopted effective June 13, 2022 (49:12 Md. R. 642)