Each owner or operator of an UST system must have release detection for the underground pressure piping connected to each tank that meets the requirements in § 74:56:01:24 by the compliance dates established in that section.
In addition, owners or operators of UST systems with underground piping that conveys a regulated substance under pressure must meet the following requirements:
(1) Be equipped with an automatic line leak detector which alerts the operator to the presence of a leak by restricting or shutting off the flow of regulated substances or triggering an audible or visible alarm, so long as it detects leaks of 3 gallons per hour at 10 pounds psi line pressure within one hour and is annually tested in accordance with § 74:56:01:24:04; and(2) Have an annual line tightness test, so long as the test can detect a 0.1 gallon per hour leak rate at one and one-half times the operating pressure, or have monthly monitoring, so long as the selected monitoring methods are designed to detect a release from any portion of the underground piping that routinely contains regulated substances.(3) Pressure piping installed after October 13, 2018, must comply with § 74:56:01:34(1) and be monitored every thirty days for releases in accordance with § 74:56:01:30.S.D. Admin. R. 74:56:01:34
14 SDR 76, effective 11/29/1987; 18 SDR 62, effective 10/10/1991; transferred from § 74:03:28:12, July 1, 1996; 44 SDR 192, effective 6/28/2018General Authority: SDCL 34A-2-93, 34A-2-99.
Law Implemented: SDCL 34A-2-98, 34A-2-99.