OAC 252:628-3-1
General provisions
Cite as Okla. Admin. Code § 252:628-3-1
(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 and OAC 252:690.
(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 252:690-3-2252:606-6-2 and Appendix BH of
OAC 252:690252:606. 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 252:690-3-2252:606-6-2.