(a) Owners and/or operators of storage tank systems shall ensure that repairs will prevent releases due to structural failure or corrosion as long as the storage tank system is used to store regulated substances. The repairs shall meet the following requirements: - (i) Repairs to UST systems shall be properly conducted in accordance with one or more of the following industry standards or practices:
- (A) NFPA Standard 30, "Flammable and Combustible Liquids Code";
- (B) API Publication 2200, "Repairing Crude Oil, Liquified Gas, and Product Pipelines"; or
- (C) API Publication 1631, "Recommended Practice for the Interior Lining of Existing underground storage tanks";
- (ii) Repairs to above ground storage tank systems shall be properly conducted in accordance with one or more of the following industry standards or practices:
- (A) NFPA Standard 30, "Flammable and Combustible Liquids Code";
- (B) API Standard 620, "Design and Construction of Large, Welded Low-Pressure Storage Tanks";
- (C) API Standard 650, "Welded Steel Tank for Oil Storage";
- (D) API Standard 653, "Tank Inspection, Repair, Alteration, and Reconstruction"; or
- (E) PEI Recommended Practice 200-2003, "Recommended Practices of Installation of Aboveground Storage Systems for Motor Vehicle Fueling".
- (iii) Repairs to fiberglass-reinforced plastic USTs may be made by the manufacturer's authorized representatives or in accordance with a code of practice developed by a nationally recognized association or an independent testing laboratory.
- (iv) Pipe sections and fittings that have released regulated substances as a result of corrosion or other damage shall be replaced.
- (v) Repaired storage tank systems shall be tightness tested in accordance with Sections 14(f) and 16(b) within thirty (30) days following the date of the completion of the repair unless:
- (A) The repaired storage tank system is internally inspected in accordance with a code of practice listed in this section; or
- (B) The repaired portion of any UST system is monitored monthly for releases in accordance with a method specified in Section 16(b) through (k); or
- (C) Another test method is used that is determined by the department, pursuant to Section 33, to be no less protective of human health and the environment than those listed above.
- (v) storage tank system owners and/or operators shall maintain records of each repair for the remaining operating life of the UST system that demonstrate compliance with the requirements of this section.
(b) All owners and/or operators of repaired UST systems shall ensure the modifications meet the performance standards for design and repair, as set forth in Section 6.
(c) Costs associated with remediation of any release from a storage tank system during tank installation or repair work by a tank installer, tester, owner and/or operator, etc., are not eligible for the state's corrective action account funds.
(d) Any time steel connected piping is repaired or modified by replacing the pipe with a non-corrodible pipe, all of the connected piping on that run shall be replaced. Any time steel piping which is not cathodically protected is repaired or replaced, the entire run of pipe shall be replaced with a non-corrodible pipe.
020-17 Wyo. Code R. § 17-8