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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES)
<br />DISCHARGE MONITORING REPORT (DMR)
<br />PERM ITTEE NAME/ADDRESS (Include Facility Name/Location if Different)
<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 016-A
<br />PERMIT NUMBER DISCHARGE NUMBER
<br />MONITORING PERIOD
<br />MM/DD/YYYY MM/DD/YYYY
<br />FROM 08/01/2010 TO 08/31/2010
<br />Form Approved
<br />OMB No. 2040-0004
<br />DMR Mailing ZIP CODE: 81424-0535
<br />MINOR
<br />GUNIS
<br />SURFACE RUNOFF TO ELK CREEK
<br />External Outfall
<br />No Discharge
<br /> QUANTITY OR LOADING QUALITY OR CONCENTRATION FX FREQUENCY
<br />OF ANALYSIS SAMPLE E
<br />PARAMETER
<br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS
<br />pH SAMPLE ....., .,.... .«„, «....
<br /> MEASUREMENT
<br />0040010 PERMIT 6.5 "•`° 9 SU
<br />Effluent Gross REQUIREMENT MINIMUM MAXIMUM Monthly INSITU
<br />Solids, total suspended SAMPLE »»» «»« ,««. .,..,,
<br /> MEASUREMENT
<br />00530 1 0 PERMIT „,,,. „? «.,,, •«•• 35 70
<br />mg/L
<br />
<br />Effluent Gross
<br />REQUIREMENT AVG DAILY MX Monthly
<br />y GRAB
<br />Solids, settleable SAMPLE ....« ««,. .««,
<br />„
<br /> MEASUREMENT
<br />00545 1 0 PERMIT Req. Mon. Req. Mon, mU L
<br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly 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 />0358210 PERMIT """ """ """ """ ""•' 10 mg/L
<br />Effluent Gross REQUIREMENT INST MAX Contingent GRAB
<br />Flow, in conduit or thru treatment plant SAMPLE
<br /> MEASUREMENT
<br />50050 1 0 PERMIT Req. Mon. Req. Mon. Mgalld •"`~ "~" "•'~ ~•~•
<br />Effluent Gross REQUIREMENT 300A AVG DAILY MX Monthly INSTAN
<br />Oil and grease visual SAMPLE ...,.,
<br /> MEASUREMENT
<br />84066 1 0 PERMIT Req. Mon. Y=1;N=0 •~'~ '••'~ '~'~ ~~~
<br />Effluent Gross REQUIREMENT INST MAX Monthly VISUAL
<br />
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<br />TELEPHONE
<br />DATE
<br /> evaluarc the inf [i„n .ubmitted. Based oo my mq,iry of the P_ or peasmts W
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<br />\j 44 sys,em, or those pctsom dircnly responsible for pd-i
<br />ag the if-,i.% U. mforttmnon mbrnitted ;s.
<br />b the best of my knowledge and belief, tnse, accu . snd mmplc[c. I am awam that there arc significant Q ?O Q Q ^ ?I
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<br /> fo, ubmitt ng ft of mu[ion ;n Wmg tM p-ibiby of f am imprisonment t r ktmwinx
<br />I
<br /> P_
<br />tlons
<br />n SIGNA E OF PRINCIPAL EXECUTI OFFICER OR
<br />TYPED OR PRINTED AUTHORIZED AGENT -- NUMBER MM/DD/YYYY
<br />GUMMtN I J ANU tArLANF1I IUN Ur ANT VIUL-A I iUNJ tKeierence all anacnments nere)
<br />TSS 8 TOTAL IRON LIMITS WILL BE WAIVED, AND SETTLEABLE SOLIDS LMT APPLIED FOR <=10YR,24 HR PRECIP EVENT;SETTLEABLE SOLIDS LIMITS MAY BE WAIVED FOR >10YR,24HR EVENT-SEE I.A.1, PP 4-5,
<br /> AND IA2., P. 5
<br />FOR RQMNTS. TDS MONITORING-SEE PART VI.A.2.G OF RATIONALE. 30 DAY AVG IS HIGHEST MONTHLY AVG DURING PERIOD RPTD.
<br />EPA Form 3320-1 (Rev.01/06) Previous editions may be used. Page I
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