Requirements for release detection shall consist of the following:

1. (1) AST systems must have equipment for release detection as required in § 74:56:03:04, including one or more of the following:

   1. (a) Perforated gravity collection pipes or channels in a concrete foundation pad which can be monitored for the presence of a release;
   2. (b) Internal systems designed to detect any changes in regulated substance level, such as in-tank monitors, capable of continuous monitoring and connected to an external alarm system;
   3. (c) External systems designed to detect any releases; or

   4. (d) Comparable release detection systems as approved by the department.

      Department approval is required prior to the installation of the release detection systems.

      Note: It is recommended that owners or operators conduct hydrogeologic investigations to determine proper siting of release detection systems.

Source: 14 SDR 76, effective November 29, 1987; 18 SDR 62, effective October 10, 1991; transferred from § 74:03:30:19, July 1, 1996.

General Authority: SDCL 34A-2-93 , 34A-2-101.

Law Implemented: SDCL 34A-2-100 , 34A-2-101.