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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES)
<br />DISCHARGE MONITORING REPORT (DMR)
<br />PERM ITTEE NAM EIADDRESS (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 />000000132 013-A
<br />PERMIT NUMBER DISCHARGE NUMBER
<br />MONITORING PERIOD
<br />MM/DD/YYYY MM/DD/YYYY
<br />FROM 12/01/2009 TO 12/31/2009
<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 />
<br />PARAMETER QUANTITY OR LOADING
<br />QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE
<br /> EX OF ANALYSIS TYPE
<br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS
<br />pH SAMPLE ,,,,,, •,,,,,
<br /> MEASUREMENT """
<br />
<br />0040010 PERMIT """ `•'•`" 6.5 •'•••' 9 SU
<br />Effluent Gross REQUIREMENT MINIMUM MAXIMUM Monthly INSITU
<br />Solids, total suspended SAMPLE
<br /> MEASUREMENT
<br />
<br />0053010
<br />Effluent Gross PERMIT ...... .."'• "'•" ""`• 35 70 m L
<br /> REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Solids, settleable SAMPLE „..., ,.„..
<br />
<br />MEASUREMENT ,....•
<br />005451 0 """
<br />
<br />Effluent Gross PERMIT Req. Mon. Req. Mon. mUL
<br /> REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Iron, total (as Fe) SAMPLE ...... „...,
<br />
<br />MEASUREMENT ,,.„.
<br />010451 0 """
<br />
<br />Effluent Gross PERMIT •"•" .,,.'. 3000 6000 ug/L
<br /> REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Oil and grease SAMPLE .,,. ,...,,
<br /> MEASUREMENT
<br />
<br />0358210
<br />Effluent Gross PERMIT .a"... `,.'•' `..,.. .."•• 10 mg/L
<br /> REQUIREMENT INST MAX Contingent GRAB
<br />Flow, in conduit or thru treatment plant SAMPLE
<br /> MEASUREMENT
<br />
<br />500501 0 PERMIT Req. Mon, Req. Mon. Mgalld •'•••' •-•••• ••.... .,....
<br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly INSTAN
<br />Solids, total dissolved SAMPLE ,.,,., ,.,,,,
<br />
<br />MEASUREMENT .. ....
<br />
<br />70295 1 0
<br />Effluent Gross PERMIT """ """ •"•'" '•"•• Req. Man. Req. Mon. mg/L
<br /> REQUIREMENT QRTR AVG DAILY MX Quarterly GRAB
<br />NAME/TITLE PRINCIPAL EXECUTIVE OFFICER
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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 I.A.1,PP 4-5, AND
<br /> I.A.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 />eons may be used, Page 1
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