Section Env-Or 408.01 - Repair of Tanks: Pre-Repair Considerations and Requirements(a) A liner shall not be installed to repair a UST.(b) If a tank is to be lined following a repair, the owner shall: (1) Cause a tightness test to be completed on the tank prior to lining the tank to confirm the success of the repair; and(2) Not line the tank or use the tank unless the tank passes the tightness test.(c) A UST that releases a regulated substance to the environment shall not be repaired but rather permanently closed in accordance with Env-Or 408.06 through Env-Or 408.10.(d) Within 30 days prior to a proposed repair to a UST, the owner shall: (1) Conduct a tightness test on the UST's primary and secondary walls in accordance with Env-Or 406.05 through Env-Or 406.08 to ensure that the UST is sound and free of holes or fractures that may cause leaks or releases; or(2) Conduct an assessment in accordance with Env-Or 408.08 to ensure that the tank is sound and free of corrosion and other holes or fractures that potentially could cause leaks or releases.(e) If the UST is determined to be repairable pursuant to (d)(1) or (d)(2), above, prior to undertaking the repair the owner shall:(1) Provide a report to the department regarding the procedures on how the repair will be accomplished;(2) Provide documentation from the tank manufacturer authorizing the repair; and(3) Provide the name, daytime telephone number including area code, and certification number and expiration date of the certified tank installer who will perform the repair.(f) Repairs shall be conducted and tested in accordance with applicable provisions of the following, available as noted in Appendix B: (1) FTPI RP T-95-02, "Remanufacturing of Fiberglass Reinforced Plastic (FRP) Underground Storage Tanks;" and(2) PEI RP 100, "Recommended Practices for Installation of Underground Liquid Storage Systems."(g) Repairs to composite tanks shall be conducted in accordance with industry codes of practice developed by a nationally-recognized association.(h) Repairs to steel tanks shall be conducted in accordance with industry codes of practice developed by a nationally-recognized association.(i) The owner shall obtain approval as specified in Env-Or 407.01 through Env-Or 407.04 prior to installing a manway on a UST system.N.H. Admin. Code § Env-Or 408.01
(See Revision Note at chapter heading for Env-Or 400) #10393, eff 9-1-13
Amended by Volume XXXVIII Number 45, Filed November 8, 2018, Proposed by #12643, Effective 10/10/2018, Expires 10/10/2028.