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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES)
<br />DISCHARGE MONITORING REPORT (DMR)
<br />PERMITTEE NAME/ADDRESS (Include Facility Name/Location d 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 013-A
<br />PERMIT NUMBER DISCHARGE NUMBER
<br />MONITORING PERIOD
<br />MM/DD/YYYY MMlDD/YYYY
<br />FROM 03/01/2011 TO 03/31/2011
<br />Form Approved
<br />OMB No. 2040-0004
<br />DMR Mailing ZIP CODE: 81424-0535
<br />MINOR
<br />GUNIS
<br />RUNOFF TO N FORK GUNNISON R.
<br />External Outfall
<br />No Discharge
<br />PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION ' FREQUENCY SAMPLE
<br /> EX OF ANALYSIS
<br />
<br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS
<br />pH SAMPLE
<br />»»»
<br /> MEASUREMENT »"" ""
<br />
<br />0040010
<br />Effluent Gross PERMIT 6.5 •~•«
<br />M
<br />SU
<br /> REQUIREMENT MINIMUM MAXI
<br />UM Monthly INSITU
<br />Solids, total suspended SAMPLE
<br />••»
<br /> MEASUREMENT "»" """
<br />0053010 """ "
<br />Effluent Gross PERMIT '~' "'«• 35 70 mg/L
<br /> REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Solids, settleable SAMPLE
<br />•?'"`
<br /> MEASUREMENT
<br />
<br />005451 0
<br />Effluent Gross PERMIT a,,..' "'•" ~'«• '~`« Req. Mon. Req. Mon. mUL
<br /> REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Iron, total (as Fe) SAMPLE ,,,,„ ,,,,„
<br />
<br />MEASUREMENT ,,,«, ,•,,,,
<br />0104510 """ """
<br />
<br />Effluent Gross PERMIT
<br />REQUIREMENT "`«' "«•• 3000
<br />30DA AVG 6000
<br />DAILY MX ug/L
<br />Monthly
<br />GRAB
<br />Oil and grease SAMPLE
<br />»»
<br /> MEASUREMENT » '»»' `»"' ""
<br />03
<br />58210
<br />Effluent Gross PERMIT '„"` ,,,,,, '««• .„••' ,,,•••
<br />T M
<br />mglL
<br /> REQUIREMENT I INS
<br />AX Contingent GRAB
<br />Flow, in conduit or thru treatment plant SAMPLE
<br />
<br />MEASUREMENT ,.,... ,,.,..
<br />,.,,..
<br />....,.
<br />
<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 />••»
<br /> MEASUREMENT '»»' """
<br /> -
<br />70295 1 0
<br />
<br />Effluent Gross PERMIT """ '•""
<br />7 '««' ••• Req. Mon. Req. Mon. mg/L
<br />A
<br /> REQUIREMENT QRTR AVG DAILY MX
<br />1 Quarterly
<br />1 GRAB
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<br /> AUTHORIZED AGENT AREA Cody NUMBER MM/DD/YYYY
<br />CnMMFNTS AMn CYOI AIdATIAM nC Auv ulna w
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<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 IA.1,PP 45, 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 REPRTD.
<br />EPA Form 3320-1 (Rev.01/06) Previous editions may be used.
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