Section 329IAC9-3.1-4. Repairs and maintenance allowed

   (a) The owner and operator of an UST system shall ensure that repairs and maintenance prevent releases due to:

(1) structural failure; or

(2) corrosion;

as long as the UST system is used to store regulated substances.

  (b) The repairs and maintenance must meet the following requirements:

(1) Repairs and maintenance to a steel UST system must be conducted in accordance with one (1) or more of the following:

(A) "Flammable and Combustible Liquids", of the Indiana Fire Code, 675 IAC 22.

(B) American Petroleum Institute Recommended Practice 2200, "Repairing Crude Oil, Liquified Petroleum Gas, and Product Pipelines", Third Edition, May 1994, American Petroleum Institute, 1220 L Street NW, Washington, D.C. 20005-4070.

(C) American Petroleum Institute Recommended Practice 1631, "Interior Lining and Periodic Inspections of Underground Storage Tanks", Fifth Edition, June 2001, American Petroleum Institute, 1220 L Street NW, Washington, D.C. 20005-4070.

(D) National Leak Prevention Association Standard 631, "Spill Prevention, Minimum 10 Year Life of Existing Steel Underground Storage Tanks by Lining Without the Addition of Cathodic Protection", revised 1992, National Leak Prevention Association, Route 2, Box 106A, Falmouth, Kentucky 41040.

(2) Maintenance to a steel tank lined under section 2 of this rule is not allowed if thirty percent (30%) or more of the original lined surface of the steel tank has had maintenance performed under subdivision (1). The tank must be closed according to 329 IAC 9-6.

(3) Repairs and maintenance to a fiberglass-reinforced plastic tank may be made by the:

(A) manufacturer's authorized representative using the manufacturer's specifications; or

(B) owner or operator in accordance with one (1) or more of the following:

(i) Underwriters Laboratories Standard 1316, "Glass-Fiber-Reinforced Plastic Underground Storage Tanks for Petroleum Products, Alcohol, and Alcohol-Gasoline Mixtures", revised 1996, Underwriters Laboratories Inc., 333 Pfingsten Road, Northbrook, Illinois 60062.

(ii) Codes listed in Class 6 of American Petroleum Institute Recommended Practice 1631, "Interior Lining and Periodic Inspections of Underground Storage Tanks", Fifth Edition, June 2001, American Petroleum Institute, 1220 L Street NW, Washington, D. C. 20005-4070.

(iii) National Leak Prevention Association Standard 631, "Spill Prevention, Minimum 10 Year Life of Existing Steel Underground Storage Tanks by Lining Without the Addition of Cathodic Protection", revised 1992, National Leak Prevention Association, Route 2, Box 106A, Falmouth, Kentucky 41040.

(4) The requirements for repair and maintenance to pipes and fittings are as follows:

(A) Metal pipe sections and fittings that have released product as a result of corrosion or other damage must be replaced.

(B) Fiberglass pipes and fittings may be repaired or have maintenance performed in accordance with the manufacturer's specifications.

(5) The repaired tank and piping must be tightness tested under 329 IAC 9-7-4(3) and 329 IAC 9-7-5(2) within thirty (30) days following the date of the completion of the repair except as provided under one (1) of the following:

(A) The repaired tank is internally inspected in accordance with one (1) or more of the standards listed in subdivision (1) or (3).

(B) The repaired portion of the UST system is monitored monthly for releases under a method specified in 329 IAC 9-7-4(4) through 329 IAC 9-7-4(8).

(C) Another test method is used that is determined by the commissioner to be no less protective of human health and the environment than those listed in clauses (A) and (B).

(6) Following the repair of any cathodically protected UST system, the cathodic protection system must be tested under:

(A) section 2(2) of this rule within six (6) months following the repair for a galvanic cathodic protection system; and

(B) section 2(3) of this rule within sixty (60) days following the repair for an impressed current cathodic protection system;

to ensure that it is operating properly.

(7) The UST system owner and operator shall maintain records of each repair for the remaining operating life of the UST system that demonstrate compliance with this section. Maintenance must be documented but is not required to be reported to the agency.

(8) The owner and operator shall demonstrate compliance with this section by providing a certification of compliance on the notification form under 329 IAC 9-2-2. The certification must demonstrate that the person that performs the work has been certified by the office of the state fire marshal.

(Solid Waste Management Division; 329 IAC 9-3.1-4; filed Jul 19, 1999, 12:00 p.m.: 22 IR 3705; filed Aug 30, 2004, 9:35 a.m.: 28 IR 156)