18 AAC 78.055. Repairs allowed

(a) The owner or operator of a UST shall ensure that any repairs to the UST will prevent a release caused by structural failure or corrosion while the UST is used to store petroleum. Repairs must meet the following requirements:

(1) repairs must be conducted using a nationally-recognized code of practice, and must be conducted by a person certified under this chapter;

(2) repairs to tanks constructed of fiberglass-reinforced plastic or another corrosion-resistant material must be made by the manufacturer's authorized representative;

(3) metal pipe sections and fittings that have released petroleum as a result of corrosion or other damage must be replaced;

(4) pipes and fittings constructed of fiberglass-reinforced plastic or another corrosion-resistant material must be repaired as specified by the manufacturer;

(5) repaired tanks and piping must be tightness tested as required by 18 AAC 78.065(d) and 18 AAC 78.070(c) within 30 days after repairs are complete and before being placed back in operation, unless the repaired

(A) tank is internally inspected using a nationally-recognized code of practice; and

(B) portion of the UST is monitored monthly for releases, using a method specified in 18 AAC 78.065(e) - (j); and

(6) within six months after the repair of a cathodically protected UST, the cathodic protection system must be tested as required by 18 AAC 78.045(c) and (e) to ensure that it is operating properly.

(b) As required by 18 AAC 78.100, the owner or operator shall keep records of each repair made under this section for the remaining operating life of the system.

(c) Unless the department, in its discretion, approves another procedure, code, or standard found by the department to be no less protective of human health and safety and the environment than the procedures, codes, and standards set out in this subsection, the owner or operator shall use the following procedures, codes, and standards, the provisions of which are adopted by reference, to meet the requirements of (a) of this section:

(1) National Fire Protection Association Standard 30, Flammable and Combustible Liquids Code , 2000 Edition;

(2) American Petroleum Institute Recommended Practice 2200, Repairing Crude Oil, Liquefied Petroleum Gas, and Product Pipelines , Third Edition, May 1994, reaffirmed May 1999;

(3) American Petroleum Institute Standard 1631, Interior Lining and Periodic Inspection of Underground Storage Tanks , Fifth Edition, June 2001; and

(4) National Leak Prevention Association Standard 631, Entry, Cleaning, Interior Inspection, Repair and Lining of Underground Storage Tanks , 1991.

(d) For purposes of this section, after a release has occurred, "repair" means to correct or restore a UST, or any part of a UST, that routinely contains petroleum, including repairs to the tank vessel, pipes, valves, fillpipes, or vents. "Repair" does not include routine maintenance.

History: Eff. 3/25/91, Register 118; am 11/3/95, Register 136; am 1/30/2003, Register 165

Authority: AS 46.03.020

AS 46.03.365

AS 46.03.375

Editor's note: Information about how to review or obtain a copy of the publications adopted by reference in 18 AAC 78.055 is in the editor's note at 18 AAC 78.025.

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