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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES)
<br />DISCHARGE MONITORING REPORT (DMR)
<br />PERMITTEENAME/ADDRESS (/nc/udeFaci/ityName2oca&onifDilferent)
<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 019A
<br />PERMIT NUMBER DISCHARGE NUMBER
<br />MONITORING PERIOD
<br />MM/DD/YYYY MM/DD/YYYY
<br />FROM 09/01/2009 TO 09/30/2009
<br />Form Approved
<br />OMB No. 2040-0004
<br />DMR Mailing ZIP CODE: 81424-0535
<br />MINOR
<br />GUNIS
<br />SURFACE RUNOFF TO HUBBARD CRK
<br />External Outfall
<br />No Discharge
<br />
<br />PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION NO.
<br />EX FREQUENCY
<br />OF ANALYSIS SAMPLE
<br />TYPE
<br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS
<br />pH SAMPLE ,..... ...,., ...... ......
<br /> MEASUREMENT
<br />0040010 PERMIT „a,.a 6.5 «••« 9 SU
<br />Effluent Gross REQUIREMENT MINIMUM MAXIMUM Monthly INSITU
<br />Solids, total suspended SAMPLE ,,,,„ „„„ ,„„• ,„,,,
<br /> MEASUREMENT
<br />0053010 PERMIT „,,,' 35 70 mg/L
<br />Effluent Gross REQUIREMENT 30DA AVG MX 7D AV Monthly GRAB
<br />Solids, settleable SAMPLE ,,,,„ ,,,,,• ,,,,,, ,,,,,,
<br /> MEASUREMENT
<br />00545 1 0 PERMIT ,,,,,' Req. Mon. Req. Mon. mLJL
<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. Mgal/d "•'•` «•'•• •••••• „•«,
<br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly INSTAN
<br />Solids, total dissolved SAMPLE ,,,,,, ,,,,,, ,,,, ,
<br /> MEASUREMENT
<br />70295 1 0 PERMIT Req. Mon. Req. Mon- mg/L
<br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Quarterly GRAB
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<br />TSS & TOTAL IRON LIMITS WILL BE WAIVED, AND SETTLEABLE SOLIDS LMT APPLIED FOR -10,24HR PRECIP EVENT;SETTLEABLE SOLIDS LIMIT MAY BE WAIVED FOR >10YR.24HR EVENT-SEE LAA RP 4-5, AND I.A.2,
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<br />ROMNTS.TDS MONITORING-SEE PART VI.A.2.G OF RATIONALE. 30 DAY AVG IS HIGHEST MONTHLY AVG DURING REPORTING PERIOD.
<br />rFA corm 3320-1 (K@v.dlfdt7) Previous editions may be used. Page t
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