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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 81434-0535
<br />FACILITY: SANBORN CRK & ELK CRK MINES
<br />LOCATION: 3737 HIGHWAY 133
<br /> SOMERSET, CO 81434
<br />ATTN: James T. Cooper, EVP
<br />000000132 017-A
<br />PERMIT NUMBER DISCHARGE NUMBER
<br />MONITORING PERIOD
<br />MM/DD/YYYY MM/DD/YYYY
<br />FROM 10/01/2010 TO 10/31/2010
<br />DMR Mailing ZIP CODE: 81424-0535
<br />MINOR
<br />GUNIS
<br />SURF RUNOFF TO N. FK GUNIS RIV
<br />External Outfall
<br />No Discharge
<br />
<br />PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION NO.
<br />E( FREQUENCY
<br />OF ANALYSIS SAMPLE
<br />TYPE
<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 />0053010 PERMIT 35 70 mglL
<br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Solids, settleable SAMPLE ,,,,» •„,,, ,„,,, ,„,„
<br /> MEASUREMENT
<br />005451 0 PERMIT Req. Mon. Req. Mon. mUL
<br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Iron, total (as Fe) SAMPLE „„.. „„.. ...„, ...,..
<br /> MEASUREMENT
<br />010451 0 PERMIT 3000 6000 ug/L
<br />
<br />Effluent Gross
<br />REQUIREMENT
<br />30DA AVG
<br />DAILY MX .
<br />Monthly
<br />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 />•.•
<br /> MEASUREMENT "`•`•
<br />500501 0 PERMIT Req. Mon. Req. Mon. Mgalld •„`•' •'„•• ,,,,,, -•••••
<br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly INSTAN
<br />Oil and grease visual SAMPLE ,,,,,,
<br /> MEASUREMENT
<br />840661 0 PERMIT Req. Mon. Y=1;N=0 "'•" •"••' ••*••• ••••»
<br />Effluent Gross REQUIREMENT INST MAX Monthly VISUAL
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<br />supervisron in accordance with a system dcs,gned to avure that gaahfiW pnsannd properly gather cord
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<br />oo my inquiry of the person or p- wha ttunsge the
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<br />the bc,? of my knowlWge and bebcf, true, accurate, and complete I am aware that there arc significant /l/.'? r/ of
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<br />?? ? p. -hunsr r submmittg W. iof -tion, i-hl ding the pasnb1ht) f fmc and ioopdsan, for knowing
<br />a I NATURE OF PRINCIPAL EX CUTIVE OFFICER OR
<br />TYPED OR PRINTED AUTHORIZED AGENT AREA CW. NUMBER MM/DO/YYYY
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<br />TSS & TOTAL IRON LIMITS WILL BE WAIVED, AND SETTLEABLE SOLIDS LMT APPLIES FOR <=10YR,24HR PRECIP EVENT;SETTLEABLE SOLIDS LIMIT MAY BE WAIVED FOR >10YR,24HR EVERT-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 RPTD
<br />EPA Forth 3320.1 (Rev.01106) Previous editions may be used. Page 1
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