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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES)
<br />DISCHARGE MONITORING REPORT (DMR)
<br />PERM ITTEE NAMEIADDRESS (Include Facility Name/Location if 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 019-A
<br />PERMIT NUMBER DISCHARGE NUMBER
<br />MONITORING PERIOD
<br />MM/DD/YYYY MM/DD/YYYY
<br />FROM 12/01/2010 TO 12/31/2010
<br />Form Approved
<br />OMB No. 2040-0004
<br />M
<br />DMR Mailing ZIP CODE: 81424-0535
<br />MINOR
<br />GUNIS
<br />SURFACE RUNOFF TO HUBBARD CRK
<br />External Outfall
<br />No Discharge
<br />PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION N
<br />O. FRREQUENCY SAMPLE
<br /> E S
<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 />0053010 -•••» «««
<br />
<br />Effluent Gross PERMIT .«„. ,,,,.
<br />.
<br />A A
<br />70
<br />mg/L
<br /> REQUIREMENT 30D
<br />VG AV
<br />MX 7D Monthly GRAB
<br />Solids, settleable SAMPLE
<br /> MEASUREMENT
<br />005
<br />45 1 0
<br />Effluent Gross PERMIT """ """' """ '•"•• Req. Mon. Req. Mon. mUL
<br /> REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Iron, total (as Fe) SAMPLE ....„
<br /> MEASUREMENT
<br />01
<br />04510
<br />Effluent Gross PERMIT ,,,,,, """ •"`•• '••'•' 3000 6000 ug/L
<br /> REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Oil and grease SAMPLE
<br /> MEASUREMENT
<br />0
<br />358210
<br />Effluent Gross PERMIT „,,,, "`,,, """ '••"` ,•••'• 10 mg/L
<br /> REQUIREMENT INST MAX Contingent GRAB
<br />Flow, in conduit or thru treatment plant SAMPLE
<br /> MEASUREMENT „"" ""'• ""•• '••"'
<br />
<br />5005010 PERMIT Req. Mon. Req. Mon. Mgalld •""• »••••
<br />•*•»
<br />••
<br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly INSTAN
<br />Solids, total dissolved SAMPLE
<br /> MEASUREMENT
<br />
<br />70295 1 0
<br />Effluent Gross PERMIT "„" """ •""` ••"•' Req. Mon. Req. Mon. m L
<br /> REQUIREMENT 30DA AVG DAILY MX Quarterly GRAB
<br />N ME/TITLEPRINCIPALEXECUTIVEOFFICER "" ry `rP`n11Ym-'"'t-oe1mem'ndall-hm`n.-pr`p-d Ind. my dmeetio^ar - DATE
<br />sup i.m mamo
<br />n rdanm with a system designed w arson thu qualified personnel propMy gather and /? ?? TELEPHONE
<br />evaluate the infomumon suhmmed Based on my mquiry of the pee In or persons who m-g, do,
<br />yr or thox persons ditaxly responsible f m gsthmng the iofomution, d. infamution sub m d is. Qjo qz9 - -1z z 'o jo -
<br />m the mt of my 4nowledgr and behet. we. ucunte, and eampI- 1 am aware that there arc significant
<br />e l e re p-h- for sub.imng take infumuann, including the possibiliry of f and impriummem for m %
<br />ainlanoo:. SIGNA E OF PRINCIPAL EXECUTI OFFICER OR
<br />TYPED OR PRINTED Tkf AUTHORIZED AGENT ?nEw cea. NUMBER MM/DDIYYYY
<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 -10,24HR PRECIP EVENT;SETTLEABLE SOLIDS LIMIT MAY BE WAIVED FOR >10YR.24HR EVENT-SEE IA1,PP 4-5, AND IA2,
<br /> P 5 FOR
<br />RQMNTS.TDS MONITORING-SEE PART VI.A.2.G OF RATIONALE. 30 DAY AVG IS HIGHEST MONTHLY AVG DURING REPORTING PERIOD.
<br />ay be used.
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