Okla. Admin. Code § 165:25-2-135
All underground storage tanks and associated piping out of service/use for more than twelve (12) months must be removed if they do not comply with the requirements as stated in 165:25-2-133 and 165:25-2-134. A variance to close a tank and/or associated piping in place with a PSTD approved inert material must be made by application and administrative review in accordance with OAC 165:5-21-3.1. For a closure in place variance solely on the basis of financial concerns between the cost to remove and the cost to close in place, applicant must submit three (3) bids to remove and three (3) bids to close in place with their variance application. A variance is effective on order issuance.
Added at 23 Ok Reg 2261, eff 7-1-06
Amended at 25 Ok Reg 1867, eff 7-1-08
Amended at 32 Ok Reg 780, eff 8-27-15
Amended at 33 Ok Reg 604, eff 8-25-16
Amended at 34 Ok Reg 935, eff 9-11-17
Amended at 35 Ok Reg 985, eff 10-1-18
Amended at 36 Ok Reg 551, eff 8-1-19
Amended at 37 Ok Reg 1128, eff 10-1-20