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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) Form Approved <br />DISCHARGE MONITORING REPORT (DMR) OMB No. 2040-0004 <br />PERMITTEE NAME/ADDRESS (Include Facility Name/Location if Different) <br />NAME: Oxbow Mining LLC <br />000000132 013-A <br />ADDRESS: PO Box 535 DMR Mailing ZIP CODE: 81424-0535 <br />E <br />Somerset, CO 81424-0535 PERMIT NUMBER <br />DISDISCHARGENUMBER MINOR <br />FACILITY: SANBORN CRK & ELK CRK MINES GUNIS <br />LOCATION: 3737 HIGHWAY 133 MONITORING PERIOD RUNOFF TO N FORK GUNNISON R. <br />SOMERSET, CO 81434 MM/DD/YYYY MM/DD /YYYY External Outfall <br />ATTN: James T. Cooper, EVP FROM 07/01/2010 TO 07!31/2010 No Discharge <br /> <br />PARAMETER QUAN TITY OR LOADING Q UALITY OR CONC ENTRATION ENCY <br />FREQU SAMPLE <br /> EX L <br />YSIS <br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS <br />pH SAMPLE <br /> MEASUREMENT <br />0040010 <br />Effluent Gross PERMIT ..,.., ••„• 6.5 ....., 9 SU <br /> REQUIREMENT MINIMUM MAXIMUM Monthly INSITU <br />Solids, total suspended SAMPLE <br /> <br />MEASUREMENT ,,•„ <br />„«` <br />""" <br />'•"" <br />0053010 <br /> PERMIT ""» ••«•• ...«. ..,,,, <br />E <br />ffluent Gross <br />REQUIREMENT 35 <br />30DA AVG 70 <br />DAILY <br />mg/L <br />Monthly <br />GRAB <br />Solids, settleable SAMPLE <br /> MEASUREMENT <br />0054510 <br /> PERMIT """ "»•' <br />•«•« <br />`«••• <br />Effluent Gross REQUIREMENT 30DAAVG DARe. ILY MX mLlL Monthl GRAB <br />Iron, total (as Fe) SAMPLE y <br /> MEASUREMENT <br />0104510 <br /> PERMIT '""• •`»" <br />«_»• <br />`f •••= <br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX uglL Monthly GRAB <br />Oil and grease SAMPLE <br /> <br />MEASUREMENT „ <br />„»" <br />""" <br />»"' <br />•« <br />0358210 <br /> PERMIT "•... '...., •*'_•• "•••• <br /> <br />Effluent Gross <br />REQUIREMENT 10 mg/ <br />L <br /> INST MAX Contin <br />ent GRAB <br />Flow, in conduit or thru treatment plant SAMPLE g <br /> MEASUREMENT •""• ••'• • •••_« _.,.„ <br />50050 1 0 <br /> PERMIT Req. Mon. Req. Mon Mgalld •»••* ..•••• <br /> <br />Effluent Gross <br />30DA AVG . <br />D <br />I ...... .,.., <br /> REQUIREMENT A <br />LY MX Monthl INSTAN <br />Oil and grease visual SAMPLE y <br /> MEASUREMENT ••--•• ...... <br />84066 1 0 PERMIT Req. Mon Y=1;N=0 <br />«.... <br />*•••• <br />Effluent Gross . <br />INST •»•« ...... <br /> REQUIREMENT MAX Monthly VISUAL <br /> <br />ANjITLEPRINCIPAL CECUTIVEOFFICER '°"°`r°""ryittlxlh"`hisdo<amenrandallamchmentswereprep,ml nd<lydi.«rionm <br />one ?nf-a axysremdy -4.i y rhrtqualifidpawnndpr°p<ry a be <br />? sabmhu<. uas<a .. y °rdK person or persons hu <br />TELEPHONE <br /> <br />DATE <br />/iyl <br />r eS <br />X +ysrcm, °r fi- R una diruxly respuasible for ga h,,jL# 'he i00-dun, I- Mf°rrm t°n sub.m d is, <br />r° the bcsr of my knowlcdg< and bchef, we, uccurare <br />and cumple¢ <br />f am awu <br />rh <br />r <br />h J T? <br />y <br />- , , <br />. <br />e <br />a <br />r <br />ere arc significant <br />perWUes for suhmiuing false mfum wn, including the possibiliry of tme and Own- fur knowin <br />g ?S <br /> <br /> <br />I v <br />O? /1 ?O , Q <br />TYPED OR PRINTED GNATURE OF PRINCIPAL EXECUTIVE OFFICER OR <br /> AUTHORIZED AGENT AREA cod. NUMBER <br />MM/DDfYYYY <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 LAA RP 4-5, AND <br /> I.A.2, P. 5 <br />FOR ROMNTS.TDS MONITORING-SEE PART VI.A,2.G OF RATIONALE. 30 DAY AVG. IS HIGHEST MONTHLY AVG. DURING PERIOD REPRTD. <br />EPA Form 3320-1 (Rev.01/06) Previous editions may be used. <br />Page 1