An owner and an operator of a UST system shall maintain records demonstrating compliance with the applicable requirements of this chapter: In accordance with COMAR 26.10.04.05; For at least 1 year at the regulated substance storage facility; For at least 5 years at a location designated by the owner of the UST system; and That include the following information: 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; The results of any sampling, testing, or monitoring including: The results of annual operability tests required in Regulation .01C of this chapter; and The results of precision tightness testing conducted in accordance with Regulation .05D of this chapter; and 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. 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.