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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES)
<br />DISCHARGE MONITORING REPORT (DMR)
<br />PERMITTEE 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 />I 000000132 007-A
<br />PERMIT NUMBER DISCHARGE NUMBER
<br />MONITORING PERIOD
<br />MM/DD/YYYY MM/DD/YYYY
<br />FROM 02/01/2010 TO 02/28/2010
<br />Form Approved
<br />OMB No. 2040-0004
<br />DMR Mailing ZIP CODE: 81424-0535
<br />MINOR
<br />GUNIS
<br />SEDIMENT POND TO HUBBARD CREEK
<br />External Outfall
<br />No Discharge X )
<br />PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE
<br /> E( OF ANALYSIS TYPE
<br />
<br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS
<br />pH SAMPLE
<br /> MEASUREMENT
<br />0040010 ....,,
<br />
<br />Effluent Gross PERMIT 6.5 "•"' 9 SU
<br /> REQUIREMENT MINIMUM MAXIMUM Monthly INSITU
<br />Solids, total suspended SAMPLE ..,,,,
<br />„'„•
<br /> MEASUREMENT """ """
<br />00530
<br />
<br />Effluent Gross
<br />Effluent PERMIT ..,,,, 35 70
<br />mg/L
<br /> REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Solids, settleable SAMPLE ,,,,,, ......
<br />
<br />MEASUREMENT ,,,,•,
<br />
<br />00545 0
<br />Effluent t Gross PERMIT """ "•"' ""•` •"•" Req. Man. Req. Mon. mUL
<br /> REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Iron, total (as Fe) SAMPLE ,,,.,,
<br /> MEASUREMENT .,.,,,
<br />0
<br />104510
<br />Effluent Gross PERMIT ,..,.` """ •"'•` "`•`• 3500 7000 ug/L
<br /> REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Oil and grease SAMPLE ,,,,,, „,•„
<br />
<br />MEASUREMENT ,„„, ,,,,,,
<br />03
<br />58210
<br />Effluent Gross PERMIT "'.,' """ """ •„••• ••••••
<br />10
<br />mg/L
<br /> REQUIREMENT INST
<br />MAX Contingent GRAB
<br />Flow, in conduit or thru treatment plant SAMPLE
<br /> MEASUREMENT
<br />
<br />50050 1 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 />
<br />MEASUREMENT ...,. .,...
<br />...... ....
<br />840661 0
<br /> PERMIT Req. Mon. Y=1;N=0 "'•'• •••••• •...„
<br />••••?'
<br />Effluent Gross REQUIREMENT INST MAX Monthly VISUAL
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<br />ahnie the inf"mu,i v Fminwi. Baud av y inquiry
<br />of,he pawn ar person wM,
<br />sy Et. brsi ar 'h_ prnmu g, ml beresat, i
<br />die f ga,hain,hc infonnadan, d,e inthere arc sgn n s signed is,
<br />m ofmy knowledge and lief, our. , -1=1, and complne. 1 um aware that has d,ificant 70 lQ
<br />9Z 2 2 t?n3 01/
<br />ponahir, fo„nhrmamg ai,e mf maim, min mg the passibifip affine and imp- m-m farkmwhg SIGNA E OF PRINCIPAL EXECUTI%k OFFICER OR
<br />„ahem,.
<br />TYPED OR PRINTED AUTHORIZED AGENT AREA cod. NUMBER MWDD/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,24HR PRECIP EVENT;SETTLEABLE SOLIDS LIMIT MAY BE WAIVED FOR >10YR,24HR EVENT-SEE I.A.1,PP 4-5, AND
<br /> IA.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.01106) Previous editions may be used.
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