- (a) IPR benchmarks. IPR Source Water discharges shall, at a minimum, meet the IPR benchmarks contained in this Subchapter and in Appendix A of this Chapter. More stringent effluent limitations may be established on a case-by-case basis if determined necessary to protect human health. The IPR SWTP treatment processes shall be capable of producing an effluent that meets the limits specified in Appendix A of this Chapter in addition to effluent limitations developed in accordance with OAC 252:606.
- (b) Quantitative data. Data collected for the monitoring of IPR Source Water discharges shall use analytical methods listed at 40 CFR Part 136 or other EPA-approved methods. Where there is no approved analytical method, the permittee shall fully describe the method used for DEQ review and obtain written approval prior to utilizing these data. All data submitted shall be defensible analytical data. Reporting and recordkeeping shall be in accordance with Subchapter 7 of this Chapter.
- (c) Measurable levels. Measurable levels for the monitoring of IPR Source Water discharges shall comply with the MQL requirements of OAC 252:606-6-2 and Appendix B of OAC 252:606. Where a monitored parameter has an established MQL, DEQ will include a provision in the permit requiring measurable levels to be less than or equal to the MQL. Where there is no established MQL, the permittee shall fully describe the method and MQL used for DEQ review and obtain written approval prior to utilizing these data. Data will be characterized as outlined in OAC 252:606-6-2.
Added at 35 Ok Reg 1311, eff 9-15-18
Amended at 41 Ok Reg, Number 23, effective 9-15-24