NAC459.9947. Underground storage tanks: Duties of owner or operator required to implement secondary containment system.  


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  • An owner or operator of an underground storage tank who is required to implement a secondary containment system for that underground storage tank pursuant to NAC 459.9945 and 459.9946 shall:

         1. Ensure that the secondary containment system:

         (a) Contains regulated substances that are released from the underground storage tank until they are detected and removed;

         (b) Prevents the release of regulated substances into the environment at any time during the operational life of the underground storage tank; and

         (c) Operates with interstitial monitoring that meets the requirements of 40 C.F.R. § 280.43(g);

         2. Check, or cause to be checked, for evidence of a release from the underground storage tank at least every 30 days and maintain records of the operation of the secondary containment system for at least 1 year;

         3. Notify the Division before the installation or replacement of an underground storage tank and provide to the Division the proposed method of secondary containment planned for use;

         4. Maintain records of the installation, maintenance and monitoring of the secondary containment system in accordance with the following schedule:

         (a) Records of 30-day release monitoring must be maintained for not less than 1 year;

         (b) All written claims of performance, including any schedules of required maintenance or calibration for the secondary containment system and its monitoring system, must be maintained for not less than 5 years after the date of installation; and

         (c) All calibration, maintenance and repair of release detection equipment permanently located on-site must be maintained for not less than 1 year; and

         5. Upon request, make available for review by the Division records of the installation, maintenance and monitoring of the secondary containment system.

     (Added to NAC by Environmental Comm’n by R005-08, eff. 4-17-2008)