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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES)
<br />DISCHARGE MONITORING REPORT (DMR)
<br />PERMITTEE NAMElADDRESS (include Facility Name/Location if Different)
<br />NAME: Oxbow Mining LLC
<br />ADDRESS: PO Box 535
<br /> Somerset, CO 81434-0535
<br />FACILITY: SANBORN CRK & ELK CRK MINES
<br />LOCATION: 3737 HIGHWAY 133
<br /> SOMERSET, CO 81434
<br />000000132 012-A
<br />PERMIT NUMBER DISCHARGE NUMBER
<br />MONITORING PERIOD
<br />MM/DD/YYYY MM/DD/YYYY
<br />FROM 04/01/2011 TO 04/30/2011
<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 />ATTN: James T. Cooper, EVP
<br />No Discharge
<br />PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY
<br />OF ANALYSIS SAMPLE
<br />TYPE
<br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS
<br />pH SAMPLE ,,....
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<br /> MEASUREMENT : d hy
<br />0040010 PERMIT 6.5 ""'• 9 SU
<br />Effluent Gross REQUIREMENT MINIMUM MAXIMUM Monthly INSITU
<br />Solids, total suspended SAMPLE ...,.,
<br />»»»
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<br />S
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<br />L
<br />C-
<br /> MEASUREMENT , U N( D ,
<br />1A
<br />0053010 PERMIT ...... ««,. .,«.. »»,
<br />.
<br />A A
<br />Effluent Gross REQUIREMENT 30D
<br />VG DAILY MX Monthly GRAB
<br />Solids, settleable SAMPLE »,••• » ,««. •„», l? < / ?+
<br /> MEASUREMENT , D• ty?` V 3J l77 7
<br />00545 1 0 PERMIT ...... „,,., Req. Mon. Req. Mon. mUL
<br />Effluent Gross REQUIREMENT 30DAAVG DAILY MX Monthly GRAB
<br />Iron, total (as Fe) SAMPLE
<br />«
<br />U 0
<br />
<br />If
<br />
<br />1
<br />
<br />?
<br /> MEASUREMENT L6c 10 p 30 k6
<br />01045 1 0 PERMIT 3000 6000 (AlL
<br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Oil and grease SAMPLE
<br />d
<br />C
<br /> MEASUREMENT ?tq' V `p??- A4
<br />0358210 PERMIT ...... ....." .»,» ,.,... .»«. 10 FW9_17_1
<br />E
<br />ffluent Gross REQUIREMENT INST MAX Contingent GRAB
<br />Flow, in conduit or thru treatment plant SAMPLE (?U j Vq ,«„, I
<br />
<br />MEASUREMENT /?5 ?
<br />50050 1 0 PERMIT Req. Mon. Req. Mon. gild "•••• ,.,.,, ••"•• ••'•••
<br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly INSTAN
<br />Oil and grease visual SAMPLE
<br />v
<br /> MEASUREMENT / V
<br />84066 1 0 PERMIT Req. Mon. Y=1;N=0
<br />«•»
<br />'?•
<br />•?»
<br />...»
<br />Effluent Gross REQUIREMENT INST MAX Monthly VISUAL
<br />NAMEMTLE PRINCIPAL EXECUTIVE OFFICER I -i--do-ahut bsdow ipo d dall hmcnsuaeprcpucd unda mydm yen ar
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<br />TELEPHONE
<br />DATE
<br />OfAw"
<br />I. ev,luam the iniumsation svb.-
<br />eased on my istgovy ofthe pawn us pmons age the
<br />rystem or thow a utu dimmly mWdibl. for gashmng the inf on, the in[ fiw submild is.
<br />to the bcn of my Wuwledge and belief, we, -, and complete. I am aware that dwc are significant
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<br />e<, tsl pe?oforwbmnngfalren[mauvninclwinghepussbiliyafC anampwnm®t?ruw ns
<br />n gIGNAT EOFPRINCIPALEXECUTIV OFFICER OR
<br />TYPED O PRINTED AUTHORIZED AGENT -caa. NUMBER MMlDD/YYYY
<br />-mmcn i a Mnu cnr'gJ{ryNl Ivry Vr /iplr vIVIJiI IVna tmererence all auacnments nere)
<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 /> IA.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 />EPA Form 3320.1 (Rev.01106) Previous editions may be used. Page 1
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