AUTHORIZATION TO DISCHARGE UNDER THE OKLAHOMA POLLUTANT DISCHARGE ELIMINATION SYSTEM PERMIT NUMBER: OK0045624 ID NUMBER: I-59000240 In compliance with the Oklahoma Pollutant Discharge Elimination System Act (OPDES Act), 27A O.S., §2-6-201 et seq., and the rules of the Oklahoma Department of Environmental Quality promulgated thereunder, The Quapaw Company, Inc. – Brensing Quarry P.O.Box 609 Stillwater, Oklahoma 74076 is authorized to discharge from their facility, located in the: Parts of Section 30 & Section 31, Township 22N, Range 6EIM Pawnee County, Oklahoma, or 8 miles east on US 64 Highway, 4 miles north on Skedee/Maramac Road from Pawnee, Oklahoma to receiving waters identified as: Black Bear Creek, stream segment 621200, Water Body ID OK 621200030010, in the Upper Arkansas River Basin, Oklahoma. from: Outfall 003(active): Latitude 36º 20’46.111” N, Longitude 96º 42’ 21.178” W NW¼, NW¼, SE¼, Section 30, Township 22N, Range 6EIM, Pawnee County, Oklahoma Outfall 004(active): Latitude 36º 21’04.555” N, Longitude 96º 42’ 16.987” W NW¼, SE¼, SW¼, Section 30, Township 22N, Range 6EIM, Pawnee County, Oklahoma Outfall 005(proposed): Latitude 36º 21’07” N, Longitude 96º 42’43” W SW¼, NE¼, SE¼, Section 25, Township 22N, Range 5EIM, Pawnee County, Oklahoma Outfall 006(proposed): Latitude 36º 21’08” N, Longitude 96º 42’43” W SE¼, NE¼, SE¼, Section 25, Township 22N, Range 5EIM, Pawnee County, Oklahoma Outfall 007(proposed): Latitude 36º 20’58” N, Longitude 96º 42’48” W NW¼, SE¼, SE¼, Section 25, Township 22N, Range 5EIM, Pawnee County, Oklahoma Outfall 008(proposed): Latitude 36º 20’58” N, Longitude 96º 42’45” W NE¼, SE¼, SE¼, Section 25, Township 22N, Range 5EIM, Pawnee County, Oklahoma Permit No. OK0045624 ID No. I-59000240 Page 2 Part I in accordance with effluent limitations, monitoring requirements and other conditions set forth in Parts I, II, III, and IV, hereof. The above referenced facility is also authorized to retain wastewater in three flow-through surface impoundments (F02, F03, and F07), as described in the Appendix. Surface impoundments shall be maintained in accordance with Parts I, II, III and IV, hereof. Issuance of this permit in no way or in any respect affects the permittee's civil or criminal responsibility regarding disposal and/or discharges of wastewater, except with respect to the permittee's legal responsibility under the OPDES Act and Department Rules. This permit replaces and/or supersedes NPDES Permit No. OKG950016 that became effective on August 3, 2004. This permit shall become effective on . This permit and the authorization to discharge shall expire at midnight, on . This is to certify that the wastewater discharges set forth in this permit comply with the requirements of Oklahoma's Water Quality Standards, as amended, provided the permittee does not exceed the effluent limitations set forth in this permit. Issued this day of , 2009. For Oklahoma Department of Environmental Quality, __________________________________________ Carol Paden, P.E., Manager Industrial Permits Section Water Quality Division _______________________________________________ Jon L. Craig, Director Water Quality Division Permit No. OK0045624 ID No. I-59000240 Page 3 Part I PART I EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS SECTION A. EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS Outfalls 003, 004, 005, 006, 007, 008 Limitations, Reporting Requirements and Monitoring During the period beginning the effective date and lasting through the expiration date, the permittee is authorized to discharge from two currently active outfalls Outfall 003 and Outfall 004 and four proposed outfalls Outfall 005-008. The discharge from Outfall 003 will consist of rock rinse water, equipment washwater, and stormwater runoff from stockpiles accumulated in two flow-through impoundments F02 and F03. The discharge from Outfalls 004-008 will consist of mine dewatering wastewater from the active mining area and stormwater runoff accumulated in active surface impoundment (F07) and four proposed surface impoundments (F08, F09, F10, and F11). Such discharge shall be limited and monitored by the permittee as specified below: Effluent Limitations – Outfalls 003-008 PARAMETERS Flow STORET: 50050 Total Suspended Solid (TSS) STORET: 00530 Oil and Grease STORET: 00556 pH STORET: 00400 DISCHARGE LIMITATIONS MASS LOADING LIMITS CONCENTRATION LIMITS (lbs/day unless otherwise specified) (mg/L unless otherwise specified) MONTHLY DAILY MONTHLY DAILY AVERAGE MAXIMUM AVERAGE MAXIMUM Report (MGD) Report (MGD) -- -- -- -- Report 45 -- -- Report 15 N/A N/A between 6.5 and 9.0 s.u. Monitoring Requirements – Outfalls 003-008 PARAMETERS Flow Total Suspended Solids Oil and Grease pH * When discharging. MEASUREMENT FREQUENCY * 2/month 2/month 1/month 1/month SAMPLE TYPE Estimate Grab Grab Grab NOTE: See Parts II, III and IV for Additional Requirements. There shall be no discharge of floating solids or visible foam in other than trace amounts. Permit No. OK0045624 ID No. I-59000240 Page 4 Part I There shall be no discharge of visible sheen of oil or globules of oil or grease. Oil and grease shall not be present in quantities that adhere to stream banks and coat bottoms of water courses or which cause deleterious effects to the biota. Samples for Outfall 003 taken in compliance with the monitoring requirements specified above shall be taken at the following location: Outfall 003: At the end of the discharge pipe from impoundment F03 in the NW¼, NW¼, SE¼, Section 30, Township 22N, Range 6EIM, Pawnee County, Oklahoma with Latitude 36º 20’46.111” N, Longitude 96º 42’ 21.178” W Samples for Outfall 004 taken in compliance with the monitoring requirements specified above shall be taken at the following location: Outfall 004: At the end of the discharge pipe from impoundment F07 in the NW¼, SE¼, SW¼, Section 30, Township 22N, Range 6EIM, Pawnee County, Oklahoma with Latitude 36º 21’04.555” N, Longitude 96º 42’ 16.987” W Samples for Outfall 005 taken in compliance with the monitoring requirements specified above shall be taken at the following location: Outfall 005: At the end of the discharge pipe from proposed impoundment F08 in the SW¼, NE¼, SE¼, Section 25, Township 22N, Range 5EIM, Pawnee County, Oklahoma with Latitude 36º 21’07” N, Longitude 96º 42’ 43” W Samples for Outfall 006 taken in compliance with the monitoring requirements specified above shall be taken at the following location: Outfall 006: At the end of the discharge pipe from proposed impoundment F09 in the SE¼, NE¼, SE¼, Section 25, Township 22N, Range 5EIM, Pawnee County, Oklahoma with Latitude 36º 21’08” N, Longitude 96º 42’43” W Samples for Outfall 007 taken in compliance with the monitoring requirements specified above shall be taken at the following location: Outfall 007: At the end of the discharge pipe from proposed impoundment F10 in the NW¼, SE¼, SE¼, Section 25, Township 22N, Range 5EIM, Pawnee County, Oklahoma with Latitude 36º 20’58” N, Longitude 96º 42’48” W Samples for Outfall 008 taken in compliance with the monitoring requirements specified above shall be taken at the following location: Outfall 008: At the end of the discharge pipe from proposed impoundment F11 in the NE¼, SE¼, SE¼, Section 25, Township 22N, Range 5EIM, Pawnee County, Oklahoma with Latitude 36º 20’58” N, Longitude 96º 42’45” W SECTION B. SCHEDULE OF COMPLIANCE The permittee shall achieve compliance with the effluent limitations specified for discharges in accordance with the following schedule: None. Permit No. OK0045624 ID No. I-59000240 Page 5 Part I SECTION C. REPORTING OF MONITORING RESULTS Monitoring results shall be reported in accordance with the provisions of Part III. E.4 of the permit. Monitoring results obtained during the previous month shall be summarized and reported on the Discharge Monitoring Report (DMR) forms postmarked no later than the 15th day of the following month. If no discharge occurs during the reporting period, DMR forms stating “No Discharge” shall be submitted according to the above schedule. The first report is due on . Permit No. OK0045624 ID No. I-59000240 Page 1 Part II PART II OTHER PERMIT REQUIREMENTS A. The permittee is hereby given notice that this permit is in all respects subject to compliance with and actions under any and all applicable and relevant terms, conditions, provisions and requirements and any and all amendments of the laws of the state of Oklahoma, the rules of the Oklahoma Department of Environmental Quality, and Oklahoma’s Water Quality Standards. The absence of any express reference within this permit of any particular statutory requirement, rule(s), regulation(s), or standard(s) shall in no respect be deemed or construed to exempt or preclude the application of such requirement, rule(s), regulation(s), or standard(s) to this permit or the permittee. By the Director’s approval, grant and issuance of this permit, permittee acknowledges receipt of true, correct and current copies of Oklahoma’s Water Quality Standards, and the rules of the Oklahoma Department of Environmental Quality, provided, however, that permittee further acknowledges that any and all amendments thereto shall become part of this permit. B. REOPENER CLAUSE This permit may be reopened for modification or revocation and reissuance to require additional monitoring and/or effluent limitations where actual or potential exceedances of state water quality criteria are determined to be the result of the permittee’s discharge to the receiving water(s), or a Total Maximum Daily Load is established for the receiving stream(s), or when required as technology. Modification or revocation and reissuance of the permit shall follow regulations listed at 40 CFR Part 124.5. The facility shall submit a modification request to this permit when proposed surface impoundments F08-F11 are completed. C. LABORATORY CERTIFICATION All laboratory analyses for the parameters specified in this permit must be performed by a laboratory certified by the Oklahoma Department of Environmental Quality for those parameters. D. ANALYTICAL REQUIREMENTS Unless otherwise specified in this permit, effluent and/or upstream monitoring shall be conducted according to analytical, apparatus and materials, sample collection, preservation, handling, etc., procedures listed at 40 CFR Part 136 in effect on the effective date of this permit. Appendices A, B, and C to 40 CFR Part 136 are specifically referenced as part of this requirement. Amendments to 40 CFR Part 136 promulgated after the effective date of this permit shall supersede these requirements as applicable. The MQL for oil and grease shall be 5 mg/L. E. SURFACE IMPOUNDMENT REQUIREMENTS A minimum freeboard of three (3) feet for surface impoundments F03, and F07 shall be maintained. A minimum freeboard of one (1) foot for surface impoundment F02 shall be maintained. The permit may be reopened to implement and/or require impoundment modifications, additions, extensions, and/or operational changes; additional monitoring and reporting (including but not necessarily limited to soil sampling); reclassification of wastes; sludge management plans; best management practices; closure plans; remediation and/or remediation plans; monitoring wells and/or subsurface monitoring plans; and/or other appropriate actions. At such time as surface impoundments F02, F03, and/or F07 are to be permanently taken out of service or at such time as the contents of F02, F03, and/or F07 pose a risk to the environment or waters of the state, the owner or operator of the facility shall follow all closure requirements contained in OAC 252:616-13. Permit No. OK0045624 ID No. I-59000240 Page 2 Part II In all other respects, F02, F03, and F07 shall be subject to standard conditions for surface impoundment contained in OAC 252:616, Subchapters 5, 7, and 13, including but not limited to requirements for construction, operation, maintenance, monitoring and closure. F. LAND APPLICATION Not Applicable G. OTHER DISPOSAL METHODS Solids, sludges, filter backwash, or other pollutants removed in the course of treatment or control of wastewater shall be disposed of in a state approved industrial waste disposal site or to a company for recycling. If any such industrial wastes are removed from the facility, the permittee shall keep accurate records which include the following information: a. Name and address of company hauling waste. b. The type and amount of waste hauled. c. The final disposal site of waste hauled. Upon request, the above records shall be made available to the staff of the Department for inspection, review, and copying. Permit No. OK0045624 ID No. I-59000240 Page 1 Appendix APPENDIX Description of Surface Impoundments (S.I.) Classification OAC 252:616-1-2 Liner Requirements OAC 252:616-72(b) Holding Capacity and/or Dimensions OAC 252:616-7-1(6) Wastewater Equipment wash water, rock rinse water, 1,518,694 gallons F02 stormwater runoff from Native soil/clay Irregular shaped stockpile area 430’x140’x8’ Class III Equipment wash water, wastewater from F02, 3,917,318 gallons rock rinse water, F03 Native soil/clay Irregular shaped stormwater runoff from 670’x300’x10’ stockpile area Class III Mine de-watering, 5,383,868 gallons F07 stormwater runoff Native soil/clay Irregular shaped Class III 350’x200’x15’ (*) Designation F refers to flow-through surface impoundment. Wastewater Destination S.I. (*) F03 Recycle for rock rinse Dust control Outfall 003 Outfall 004 Location of Surface Impoundments S.I. F02 Legal Location NW¼, SE¼, SE¼, Section 30, T22N, R6EIM, Pawnee County, Oklahoma General Location and Description South of the office and stockpile area F03 SW¼, NW¼, and NW¼, SE¼ of SE¼ Section 30, T22N, R6EIM, Pawnee County, Oklahoma Northwest of F02 F07 SE¼, SE¼, NW¼, Section 30, T22N, R6EIM, Pawnee County, Oklahoma West of the office area; south of the active quarry pit