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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) <br />DISCHARGE MONITORING REPORT (DMR) <br />PENMITTFENAMFIADDRESS (/ncludeFaci/ifyName/LocalionifDilferentJ <br />NAMME: 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 013A <br />PERMIT NUMBER DISCHARGE NUMBER <br />MONITORING PERIOD <br />MM/DD/YYYY MM/DD/YYYY <br />FROM 08/01/2009 TO 08/31/2009 <br />Form Approved <br />OMB No. 2040-0004 <br />DMR Mailing ZIP CODE: 81424-0535 <br />MINOR <br />GUNIS <br />RUNOFF TO N FORK GUNNISON R. <br />External Outfall <br />No Discharge <br /> <br /> <br /> <br />ARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION E <br /> <br />X <br />NO. <br />EX <br /> <br />FREQUENCY <br />OF ANALYSIS <br /> <br />SAMPLE <br />TYPE <br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS <br />pH SAMPLE .,„., ,»,., <br /> MEASUREMENT <br />004001 0 PERMIT "„« 6.5- 9 SU <br />Effluent Gross REQUIREMENT MINIMUM, ' MAXIMUM' Monthly INSITU <br />Solids, total suspended SAMPLE <br /> MEASUREMENT <br />0053010 PERMIT * 35 70 mg/L <br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly GRAB <br />Solids <br />settleable SAMPLE ..,.,, <br />, MEASUREMENT <br /> <br />00545'I0 <br /> <br />PERMIT »"," "«*» .«**" <br />Req. Mon. <br />ReqMon -. <br />mUL <br /> <br />Effluent Gross <br />REQUIREMENT <br />3oDA AvG <br />DAILY MX. <br />_ Monthl <br />Y <br />GRAB <br />Iron, total (as Fe) SAMPLE <br /> MEASUREMENT <br />0104510 PERMIT 3000 6000 ug/L <br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly GRAB <br />Oil and grease SAMPLE <br /> MEASUREMENT <br />03582 10 PERMIT 10 mg/L <br />Effluent Gross REQUIREMENT INST MAX Contingent GRAB <br />Flow, in conduit or thru treatment plant SAMPLE <br />MEASUREMENT <br />? <br />*»* <br />„**** <br />50050 1 0 PERMIT Req. Mon;.-. Req. Mona Mgal/d <br />Effluent Gross REQUIREMENT 30DAAVG: DAILY MX. Monthly INSTAN <br />Oil and grease visual SAMPLE <br /> MEASUREMENT <br />840661 0 PERMIT Req. Mon. Y=1;N=0 "` """ *****` <br />Effluent Gross REQUIREMENT INST MAX: Monthly VISUAL <br /> <br /> <br />NAME/TIT BRINCIPAL EXECUTIVE OFFICER 1 eertiCf• under prnalry of low that this documrnt and all amdunrnts ,= pmpamd under my di-Ii.. <br />or <br />supmtsian in accordan ewith a system dmignedroassum that qualified pmonnel properly gather ana <br /> <br />Ir <br />TELEPHONE <br />DATE <br /> <br /> <br />( <br />valuate [he information submitted. Based on my inquiry of the person or persons wtro manage the . <br /> <br /> <br />` sysmm. or those persons diree[ly mspoosible for gathering the information, the infomatioo submitted is. <br /> <br />to [ best of my knowledge end belief, true, a ccurate, and complete. 1 am aware that [here are si <br />M <br />t fi ant <br />?? - y Z <br />170 <br />Dy r ` <br />U <br />*PJa/ penalties for mb.iri.g false information, including the possibilily of fe and imprisonment for owing <br />kn <br />Holanons <br />SIGN URE OF PRINCIPAL EXECUTIVE OFFICER OR <br />TYPED OR PRINTED . AUTHORIZED AGENT AREA Code NUMBER MMIDD/YYYY <br />bUWIMCN IJ ANU GAYLANA I IVN UI' ANT VIVLA I IVNZ1 tKeTerence alt artacnmerns nerel <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 I.A.1,PP 4-5, AND <br /> I.A.2, P. 5 <br />FOR RQMNTS.TOS MONITORING-SEE PART VI.A.2.G OF RATIONALE. 30 DAY AVG. IS HIGHEST MONTHLY AVG. DURING PERIOD REPRTD. <br />EPA Form 33701 (Rev.01100) Previous editions may be used. Page 1