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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 />000000132 015-A
<br />PERMIT NUMBER DISCHARGE NUMBER
<br />MONITORING PERIOD
<br />MM/DD/YYYY MM/DD/YYYY
<br />FROM 06/01/2010 TO 06/30/2010
<br />Form Approved
<br />OMB No. 2040-0004
<br />DMR Mailing ZIP CODE: 81424-0535
<br />MINOR
<br />GUNIS
<br />DISCHARGE TO ELK CREEK
<br />External Outfall
<br />No Discharge) x )
<br />ATTN: James T. Cooper, EVP
<br /> QUANTITY OR LOADING QUALITY OR CONCENTRATION E
<br />
<br />X
<br />NO.
<br />
<br />FREQUENCY
<br />OF ANALYSIS
<br />
<br />SAMPLE
<br />TYPE
<br />PARAMETER ?
<br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS
<br />pH SAMPLE .. ....» ...... .»..,
<br /> MEASUREMENT
<br />0040010
<br />Effluent Gross PERMIT
<br />REQUIREMENT „"" 6.5
<br />MINIMUM "•"` 9
<br />MAXIMUM SU
<br />Monthly
<br />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 />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 />035821 0 PERMIT „"'" • • •, "••" „"'• ,,,,,, 10 mg/L
<br />Effluent Gross REQUIREMENT INST MAX Contingent GRAB
<br />Flow, in conduit or thru treatment plant SAMPLE
<br /> MEASUREMENT
<br />500501 0 PERMIT Req. Mon. Req. Mon. MgaUd ,,,,,, `••"• ••'"' '•••'•
<br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly INSTAN
<br />Solids, total dissolved SAMPLE ..,.., „,,..
<br /> MEASUREMENT
<br />702951 0 PERMIT „,,,, ",,,, Req. Mon. Req. Mon. mg/L
<br />Effluent Gross REQUIREMENT QRTR AVG DAILY MX Quarterly GRAB
<br />Oil and grease visual SAMPLE
<br />???
<br /> MEASUREMENT
<br />840661 0 PERMIT ",,,, Req. Mon. Y=1;N=0 ""•' "•••` ••••" '••'•`
<br />Effluent Gross REQUIREMENT INST MAX Weekly VISUAL
<br />
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<br />30 DAY AVERAGE IS HIGHEST MONTHLY AVERAGE DURING PERIOD REPORTED. OIL & GREASE - SEE I.B.1.D.
<br />EPA Form 3320-1 (Rev.01106) Previous editions may be used. Page 1
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