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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) Form Approved
<br />DISCHARGE MONITORING REPORT (DMR) OMB No. 2040-0004
<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 01/01/2010 TO 01/31/2010
<br />DMR Mailing ZIP CODE: 81424-0535
<br />MINOR
<br />GUNIS
<br />SURFACE RUNOFF TO ELK CREEK
<br />External Outfall
<br />No Discharge
<br />PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION O. NCY SA
<br />MP E
<br /> E OF ANALYS
<br />5 T
<br />
<br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS
<br />pH SAMPLE ,,..,, _
<br /> MEASUREMENT
<br />00
<br />40010
<br />Effluent Gross PERMIT „"" "•"• •"~• 6.5 '~••' 9 SU
<br /> REQUIREMENT MINIMUM MAXIMUM Monthly INSITU
<br />Solids, total suspended SAMPLE
<br /> MEASUREMENT
<br />0053010 ",,,, "„" "
<br />
<br />Effluent Gross PERMIT •~• ,,,"• 35 70
<br />L
<br /> REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Solids, settleable SAMPLE ,,,•„
<br /> MEASUREMENT """
<br />005451 0 "',,, ,"
<br />
<br />Effluent Gross PERMIT "' Req. Mon. Req. Mon. mUL
<br /> REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Iron, total (as Fe) SAMPLE ,...,. ,
<br /> MEASUREMENT
<br />010
<br />4510
<br />Effluent Gross PERMIT """ """ "••" ••••'• 3000 6000 ug/L
<br /> REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Oil and grease SAMPLE
<br />""
<br /> MEASUREMENT " """ '• "' """
<br />03582
<br />10
<br />Effluent Gross PERMIT „"" """ „,,,, •~••' ,,,,•• 10 mgt
<br /> REQUIREMENT INST MAX Contingent GRAB
<br />Flow, in conduit or thru treatment plant SAMPLE
<br /> MEASUREMENT
<br />
<br />500501 0 PERMIT Req. Mon. Req. Mon. Mgal/d '•,,,, ,,,,,, «•»* ««..
<br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly INSTAN
<br />Oil and grease visual SAMPLE ,..,,,
<br /> MEASUREMENT
<br />840661 0 """
<br />
<br />Effluent Gross PERMIT Req. Mon. Y=1;N=0 ••*••• ••« .,.«.
<br />« .,.
<br /> REQUIREMENT INST MAX Monthly VISUAL
<br />NAMEITITLE PRINCIPAL EXECUTIVE OFFICER IC-tyudwpm,ftyoflawthat thndocumeosandal anachmensswercp-pasedu,d- rnydimaionor DATE
<br />supesion in -,d-. with a svatem designed to aasurc thn qualified personnel properly gather and TELEPHONE
<br />-hute the information submittal. Baud oo y inqu'ry of the perwn or persons who manage the
<br />s system, or thou perwm dircmly responsible for gaNering the information, the mf non submitted i, u,
<br />m the bet of my knowledge arly belief, tmc, accurate. and compkte. I am aware that there arc signirsc 9 70 ?Z 9 $ / Z OZ 04-10
<br />r g pymahies f-bmttnng ralae inr mweon, inc?wling me p„aaimiity arr e,nd impriwnmenr r kaswing SIGNA E OF PRINCIPAL EXECU OFFICER OR
<br />t,oianona.
<br />TYPED O PRINTED AUTHORIZED AGENTw cod. NUMBER MMIDD/YYYY
<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,24 HR PRECIP EVENT;SETTLEABLE SOLIDS LIMITS MAY BE WAIVED FOR >10YR,24HR EVENT-SEE I.A.1, PP 4-5,
<br /> AND 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 RPTD.
<br />EPA Form 3320.1 (Rev.01/06) Previous editions may be used.
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