Section · Administrative Rules of South Dakota · View on sdlegislature.gov ↗
for new AST systems. New AST systems must be designed and constructed in accordance with a code of practice developed by nationally recognized associations or independent testing laboratories such as UL 142 (1985) or similar methods approved by the department. AST systems constructed of metal and installed in contact with an electrolyte must be cathodically protected with sacrificial anodes or an impressed current system which is designed, fabricated, and installed in accordance with a code of practice developed by nationally recognized associations or independent testing laboratories such as NACE Standard RP-02-85 (1985), API Standard 1632 (1983), or similar methods approved by the department. New AST systems containing noncorrosive substances do not require internal coatings. Monitoring of the pH of the tank condensate is required biannually, not to exceed 7 1/2 months between sampling. A pH of 6.8 or higher shall be maintained. Owners or operators of an AST which cannot comply with this section may request a variance from the department by submitting justification for the variance. Criteria for granting the variance are the same as those listed in § 74:56:03:06.
Source: 14 SDR 76, effective November 29, 1987; 18 SDR 62, effective October 10, 1991; transferred from § 74:03:30:07, July 1, 1996.