OAR 340-150-0560: Upgrading Requirements for Existing UST Systems

This rule describes the technical requirements for UST systems that an owner and permittee was required to meet by December 22, 1998, under OAR 340-150-0555(3). (1) Tank upgrading requirements. An owner and permittee of an existing steel UST must upgrade the UST system to meet one of the requirements set forth in 40 C.F.R. § 280.21(b) (October 13, 2015), and OAR 340-150-0320. (2) Piping upgrading requirements. An owner and permittee of an existing UST system must cathodically protect metal underground piping that routinely contains a regulated substance in accordance with 40 C.F.R. § 280.21(c) (October 13, 2015), and OAR 340-150-0320. (3) Spill and overfill prevention equipment. An owner and permittee of an existing UST system must comply with new UST system spill and overfill prevention equipment requirements specified in 40 C.F.R. § 280.20(c) (October 13, 2015), and OAR 340-150-0310. (4) Owners and permittees must permanently close, in accordance with subpart G of 40 C.F.R. § 280 (October 13, 2015), any UST system that does not meet the new UST system performance standards in 40 C.F.R. § 280.20 (October 13, 2015), OAR 340-150-0160, or has not been upgraded as specified in sections (1) through (3) of this section. This does not apply to previously deferred UST systems described in OAR 340-150-0137 and where an upgrade is determined to be appropriate by DEQ.