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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) <br />DISCHARGE MONITORING REPORT (DMR) <br />PERMITTEE NAME/ADDRESS (include Fadll!yNan?&Aoca&on ifDhYarent) <br />NAME: Oxbow Mining LLC <br />ADDRESS: PO Box 535 <br /> Somerset, CO 81424-0535 <br />FACILITY: SANBORN CRK & ELK CRK MINES <br />LOCATION: 3737 HIGHWAY 133 <br /> SOMERSET, CO 81434 <br />ATTN: James T. Cooper, EVP <br />000000132 012A <br />PERMIT NUMBER DISCHARGE NUMBER <br />MONITORING PERIOD <br />MM/DD/YYYY MM/DD/YYYY <br />FROM 07/01/2009 TO 07/31/2009 <br />Form Approved <br />OMB No. 2040-0004 <br />DMR Mailing ZIP CODE: 81424-0535 <br />MINOR <br />GUNIS <br />SEDIMENT POND TO ELK CREEK <br />External Outfall <br />No Discharge <br /> QUANTITY OR LOADING QUALITY OR CONCENTRATION E <br />NO. <br />X <br />? <br />FREQUENCY <br /> <br />OFF ANALYSI ANALYSIS <br /> <br />SAMPLE <br />TYPE <br />PARAMETER <br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS <br />pH SAMPLE .»». »»» .»». »».• <br /> MEASUREMENT <br />0040010 PERMIT 6.5 <br />MINIMUM 9 <br />MAXIMUM SU <br />Monthly <br />INSITU <br />Effluent Gross REQUIREMENT <br />Solids, total suspended SAMPLE <br />MEASUREMENT <br />00530 1 0 PERMIT <br />35 <br />30DA AVG <br />70 <br />DAILY MX <br />mg/L <br /> <br />Monthly <br /> <br />GRAB <br />Effluent Gross REQUIREMENT <br />Solids, settleable SAMPLE <br />MEASUREMENT «»» ..»» .».» •.,... <br />00545 1 0 PERMIT Req. Mon. <br />30DA AVG Req. Mon. <br />DAILY MX mL/L <br />Monthly <br />GRAB <br />Effluent Gross REQUIREMENT <br /> <br />Iron, total (as Fe) SAMPLE <br /> <br />MEASUREMENT <br />,,,». <br />»., . <br />..... <br />,»». <br />01045 1 0 PERMIT » 30DA AVG DAILY MX UAL Monthly GRAB <br />Effluent Gross REQUIREMENT <br />Oil and grease SAMPLE »,.» »»« .._». »..» .••»• <br /> MEASUREMENT <br />0358210 PERMIT ,,,„' "'«' '«"' "'•« 10 <br />INST MAX mg/L <br />Contingent <br />GRAB <br />Effluent Gross REQUIREMENT <br />Flow, in conduit or thru treatment plant SAMPLE <br />MEASUREMENT .»-_• •_•-» »»» ---»- <br />500501 0 PERMIT Req. Mon. <br />30DA AVG Req. Mon. <br />DAILY MX Mgaud ,_,,,' <br />Monthly <br />INSTAN <br />Effluent Gross REQUIREMENT <br />Oil and grease visual SAMPLE <br />MEASUREMENT »»» -»-» -••»• --•• - •--•» <br />8406610 PERMIT ««« R Mon. <br />MAX Y=1;N=0 Monthly VISUAL <br />Effluent Gross REQUIREMENT <br /> <br />NAMEMTLE PRINCIPAL EXECUTIVE OFFICER I certify undo pa by of kw that this doemoem and all atnetm,a,es was p,epncd mtda my d'ieectian m <br />p gauaw <br />e.a,m ,n-edaneewiih,.y-d.,g„edm.umew y„aliredpaso <br />av TELEPHONE DATE <br /> T!ZZ <br />p <br />evahote the mfu,tmtiou sub iiiied. Based en my usq i y of Nc pe- ur person mange Nc <br /> <br />(?s , S ( <br /> <br />V` rystem, m Nose peen dimaly rese-bk f gadwing the Iofor-tin the mfoff"lm submitted is. <br />m Ne beat of my knowledge and belief, true. accurate, and complete. I am awme thm these arc cignifill <br /> <br />penalafmmbminingfilm inf-ttimmiudvgthepessWityoff admps?nmentr m.wng <br />• <br /> <br /> <br />IGN RE OFPRINCIPALEX CU EOF CEROR <br /> <br />O <br />7 <br />929-5' O D Q 9 <br />O0 <br />TYPED OR PRINTED AUTHORIZED AGENT nRew ceid• NUMBER MMIDDlYYYY <br />COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) <br />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 <br /> I.A.2, P. 5 <br />FOR RQMNTS.TDS MONITORING-SEE PART VI.A.2.G OF RATIONALE. 30 DAY AVG. IS HIGHEST MONTHLY AVG. DURING PERIOD REPRTD. <br />r <br />4 <br />EPA Form 3320-1 (Rev.01106) Previous editions may be used. Page 1