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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM <br />NPDES <br />( <br />) Form Approved <br />DISCHARGE MONITORING REPORT (DMR) OMB No. 2040-0004 <br />PERMITTEE NAME/ADDRESS (Include FacilityNameQocation iiDeeient) <br />NAME: Oxbow Mining LLC <br />000000132 010A <br />ADDRESS: PO Box 535 <br />F <br />DMR Mailing ZIP CODE: 81424-0535 <br />Somerset, CO 81424-0535 PERMIT NUMBER <br />DISCHARGE NUMBER MINOR <br />FACILITY: SANBORN CRK & ELK CRK MINES GUNIS <br />LOCATION: MONITORING PERIOD <br />3737 HIGHWAY 133 SEDIMENT POND TO SANBORN CREEK <br />SOMERSET, CO 81434 MM/DD/YYYY MM/DD/YYYY External Outfall <br />ATTN: James T. Cooper, EVP FROM 09/01/2009 TO 09/30/2009 No Discharge <br />PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE <br /> EX OF ANALYSIS TYPE <br />VALUE VALUE UNITS VALUE VALUE VALUE UNITS <br />pH SAMPLE ...... ..».. <br />...... <br />MEASUREMENT ••-'•• <br />0040010 PERMIT ...... "»» ...... <br />•* <br /> <br />Effluent Gross REQUIREMENT MINIMUM 9 <br />MAXIMUM SU <br />Monthly INSITU <br />Solids, total suspended SAMPLE •-,,,, •••• , <br />,»• •.?•,• <br />MEASUREMENT <br />0053010 PERMIT ...... """ "••" .•'••• <br />35 <br />Effluent Gross REQUIREMENT 30DA AVG <br />DAILY 70 <br />MX <br /> <br />mg/L <br /> <br />Monthly GRAB <br />Solids, settleable SAMPLE .•,.,• .?„ , <br />?,.--. •,••• <br />MEASUREMENT <br />0054510 PERMIT "»" •••`"• •"••- <br />Effluent Gross REQUIREMENT •»-» <br />0DA AVG <br />DAI <br />Y M <br />mL/L <br />3 L <br />X Monthly GRAB <br />Iron, total (as Fe) SAMPLE •--,» --»-• <br /> <br />-»._- <br />...... <br />MEASUREMENT <br />0104510 PERMIT ""» •'»" `••"• `••»` <br />3500 <br />Effluent Gross REQUIREMENT 30DA AVG 7000 <br />DAILY MX ug/L <br />Monthly GRAB <br /> <br />»•• <br />Oil and grease SAMPLE ...... <br />• .». <br />MEASUREMENT """ •••"' <br />0358210 PERMIT """ `•»" .....' •••••• ...... <br />Effluent Gross REQUIREMENT O mglL <br /> INST <br />MAX Contingent GRAB <br />Flow, in conduit or thru treatment plant SAMPLE <br /> <br />MEASUREMENT ...... <br />...... <br />-•••-- <br />•-•-.- <br />50050 1 0 PERMIT Req. Mon. Req. Mon. Mgal/d •'•••• •-»-* ...... <br />••.• <br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX •• <br /> Monthly INSTAN <br />Solids, total dissolved SAMPLE ...... --- • <br />- » ...... <br />MEASUREMENT <br />7029510 PERMIT "'•" ..•'•• •••••• •»•-• <br />Req. Mon. <br />Effluent Gross REQUIREMENT <br />Req. Mon. <br />mg/L <br />30DA AVG DAILY MX Quarterly GRAB <br /> <br />MEITITLEPRINCIPALEXECUTIVEOFFICER r""i?°"d<rp<nnirynri.w,h,rtw:do<"mrmt,ndan,m<hm<nvw<<p,<p,r<d nd ydi«uan.` <br />A acco <br />supmisr inNanuwith <br />d <br />i <br />i <br />.saem <br /><s <br />gny. .'urcNnquabfialpenonnelRm?<. <br />yg.m<r.na <br />.iva,< n< of m .,inn .nbmiu« s. <a <n my ?. r,n< p ,n "r p< n. w g< m< <br />sysrem, or rhuse persons dves7ly responsible for ga,h?n'ng,he infbmvriw <br />she mf <br />d <br />b <br />i <br />d TELEPHONE DATE <br />, <br />- <br />on s, <br />n <br />tn <br />is, <br />,o d,< ba, of my know) Wge end bebef ,me, arwvnu, and wmplc,e. l am awar<,hat there are sgnficam <br />16. for submnung (else inturma,i-mdudm <br />,h< <br />rrs i p <br />b,jj, <br />f f 4 (1 <br />5? -7 <br />7 <br />?0) 2 7 •? <br /> <br />g <br />p- <br />y <br />.d imprivnunem G,r knowing <br />l <br />n , <br />G <br />/ <br />/ 7 /D D <br />SIGN URE OF PRINCIPAL EXECUTIVE OFFICER OR <br />TYPED OR PRINTED <br />AUTHORIZED AGENT <br />COMMENTS AND EXPLANATION OF ANY VIOLATIONS <br />R <br />f AREA God• NUMBER MWDD/YYYY <br />( <br />e <br />erence all attachments here) <br />TSS & TOTAL IRON LIMITS WILL BE WAIVED, AND SETTLEABLE SOLIDS LMT APPLIED FOR -10YR <br />24HR PRECIP EVENT <br />SETTLEABLE S <br />F <br />, <br />; <br />OLIDS LIMIT MAY B <br />OR RQMNTS.TDS MONITORING-SEE PART VI.A.2.G OF RATIONALE. 30 DAY AVG. IS HIGHEST MONTHLY AVG. DURING PERIOD REPRTD. E WAIVED FOR > 10YR,24HR EVENT-SEE I.A.1,PP 4-5, AND I.A.2, P. 5 <br />EPA Form 3320.1 (Rev.01/06) Previous editions may be used. <br /> Page 1