S.D. Admin. R. 74:56:01:18
An UST system may be repaired and relined if the owner and operator receives a certification in writing either by the person performing the repairs or a registered professional engineer that all of the conditions in this section and §§ 74:56:01:19 to 74:56:01:22, inclusive, are met. Owners or operators of UST systems shall ensure that repairs prevent releases due to structural failure or corrosion as long as the UST system is used to store regulated substances. Repairs to UST systems shall be made in accordance with a code of practice developed by a nationally recognized association or an independent testing laboratory as specified in 40 C.F.R. § 280.33 as published at 80 FR (July 15, 2015). All repairs shall be made in accordance with this section and §§ 74:56:01:19 to 74:56:01:22, inclusive.
All steel tanks with corrosion holes that are subsequently repaired must be retrofitted with a cathodic protection system that is designed by a corrosion expert and operated and maintained in accordance with § 74:56:01:14 or relined in accordance with § 74:56:01:19.
The owner and operator must have a tank tightness test in accordance with § 74:56:01:26 performed within 30 days after the repair of all UST systems that are without interstitial monitoring or other release detection that is sampled at least every 30 days.
S.D. Admin. R. 74:56:01:18
General Authority: SDCL 34A-2-93, 34A-2-99.
Law Implemented: SDCL 34A-2-98, 34A-2-99.