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PERMITTEE NAME/ADDRESS (Include Factlity Name✓Locabon it D18erent) NAME: Oxbow Mining LLC ADDRESS: PO Box 535 Somerset, CO 81434 -0535 FACILITY: SANBORN CRK & ELK CRK MINES LOCATION: 3737 HIGHWAY 133 SOMERSET, CO 81434 ATTN: Mike Ludlow Exec VP NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) DISCHARGE MONITORING REPORT (DMR) C00000132 010-A PERMIT NUMBER SCHARGE NUMBER MONITORING PERIOD MM/DD/YYYY MM/DD/YYYY 11101/2013 11/30/2013 Form Approved OMB No. 2040 -0004 DMR Mailing ZIP CODE: 81424-0535 MINOR GUNIS SEDIMENT POND TO SANBORN CREEK External Outfall No Discharge NAMEITITLE PRINCIPAL EXECUTIVE OFFICER t amts urder penally of law that the document and all attachments ware prepared under my direction or 1i1 y� LEPHO14E DATE supetvsron i aoc information s anttr a system drop my q iry of that man or p persons w o property manage and / r Ifs / La I� 'V l f `r t 1 - ablate tiro inbrmatbn submeed Based on my ngWry of tts person or pereors vAro manage its � system, or time persons dwectty responsible for gamermg the mformaton, the mformabon submMed k, U Wei Q� • to the best of my knowledge and belwf, true, accurate, and complete I am aware met ttwe are 4 sipndkant penak" for submadng fake mformabon, includaq me posed ft of ha and imprisonment for IGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR ng woMiQN, LA AUTHORIZED AGENT AREA Code NUMBER TYPED OR PRINTED COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) TSS & TOTAL IRON LIMITS WILL BE WAIVED, AND SETTLEABLE SOLIDS LMT APPLIED FOR <= 10YR,24HR PRECIP EVENT;SETTLEABLE SOLIDS LIMIT MAY BE WAIVED FOR >10YR,24HR EVENT -SEE IA.1,PP 4-5, AND IA.2, P. 5 FOR RQMNTS.TDS MONITORING -SEE PART VIA.2.G OF RATIONALE. 30 DAY AVG. IS HIGHEST MONTHLY AVG. DURING PERIOD REPRTD. EPA Form 33204 (Rev.01 106) Previous editions may be razed. 10/17/2013 Page 1 QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE PARAMETER EX OF ANALYSIS TYPE VALUE VALUE UNITS VALUE VALUE VALUE UNITS pH SAMPLE «rwwr rwwww. rrrrww rw «« MEASUREMENT 0040010 PERMIT «` "« .w.wwr ' *""• 6.5 " «" 9 SU Monthly INSITU Effluent Gross REQUIREMENT MINIMUM MAXIMUM Solids, total suspended SAMPLE *•• «" • *.w *" *• «« «wwr. MEASUREMENT 0053010 PERMIT ••'•« •** *** «"« .w.www 35 70 mg/L =t¢ Monthly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX t Solids, settleable SAMPLE MEASUREMENT r. * «• « "•* " «« ww «« 005451 0 PERMIT * ***•" *•* «• wr.w« --- Req. Mon. Req. Mon. mL/L Mouthy GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Iron, total (as Fe) SAMPLE ` * *• "• «'**• rwrrwr •` «•• MEASUREMENT 0104510 PERMIT • * «« wwrr.r rrrwrr rr "« 3500 7000 ug/L Monthly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Oil and grease SAMPLE « * «• •w.r.. •• «« " *•« "'.» MEASUREMENT 0358210 PERMIT «•• *• • « *« «rrr. " *.«' «r.r. 10 mg /L Contingent GRAB Effluent Gross REQUIREMENT INST MAX ` Flow, in conduit or thru treatment plat SAMPLE www »« . *•.« «..sr .wr «• MEASUREMENT 500501 0 PERMIT Req. Mon. Req. Mon. MGD *` «« «*.« wwwrr. ` *w... Monthly INSTAN Effluent Gross REQUIREMENT 30DA AVG DAILY MX Oil and grease visual SAMPLE w. " «* * * *••* '• «« . * «« r.. «* MEASUREMENT 840661 0 Effluent Gross PERMIT I REQUIREMENT "**« I Req. Mon. INST MAX Y =1;N =0 wrrr.w rrr.w. «` *« r.r.ww E I Monthly VISUAL NAMEITITLE PRINCIPAL EXECUTIVE OFFICER t amts urder penally of law that the document and all attachments ware prepared under my direction or 1i1 y� LEPHO14E DATE supetvsron i aoc information s anttr a system drop my q iry of that man or p persons w o property manage and / r Ifs / La I� 'V l f `r t 1 - ablate tiro inbrmatbn submeed Based on my ngWry of tts person or pereors vAro manage its � system, or time persons dwectty responsible for gamermg the mformaton, the mformabon submMed k, U Wei Q� • to the best of my knowledge and belwf, true, accurate, and complete I am aware met ttwe are 4 sipndkant penak" for submadng fake mformabon, includaq me posed ft of ha and imprisonment for IGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR ng woMiQN, LA AUTHORIZED AGENT AREA Code NUMBER TYPED OR PRINTED COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) TSS & TOTAL IRON LIMITS WILL BE WAIVED, AND SETTLEABLE SOLIDS LMT APPLIED FOR <= 10YR,24HR PRECIP EVENT;SETTLEABLE SOLIDS LIMIT MAY BE WAIVED FOR >10YR,24HR EVENT -SEE IA.1,PP 4-5, AND IA.2, P. 5 FOR RQMNTS.TDS MONITORING -SEE PART VIA.2.G OF RATIONALE. 30 DAY AVG. IS HIGHEST MONTHLY AVG. DURING PERIOD REPRTD. EPA Form 33204 (Rev.01 106) Previous editions may be razed. 10/17/2013 Page 1