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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES)
<br />DISCHARGE MONITORING REPORT (DMR)
<br />PERM ITTEENAME/ADDRESS (Include Facility NarnelLocation 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 016-A
<br />PERMIT NUMBER DMONITORING PERIOD
<br />MM/DD/YYYY MM/DD/YYYY
<br />FROM 05/01/2010 TO 05/31/2010
<br />Form Approved
<br />OMB No. 2040-0004 '
<br />DMR Mailing ZIP CODE: 81424-0535
<br />MINOR
<br />GUNIS
<br />SURFACE RUNOFF TO ELK CREEK
<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 />
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<br />
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<br />/.98
<br />O
<br />
<br />Scl
<br />
<br />O
<br />
<br />f?3c1
<br />
<br />/IVS/T?t
<br />0040010
<br />Effluent Gross PERMIT ...'•` •'«« ."••• 6.5 ~••'• M Su
<br /> REQUIREMENT MINIMUM MAXI
<br />UM Monthly INSITU
<br />Solids, total suspended SAMPLE
<br /> MEASUREMENT »« ? PA O 1 30 ?Q?
<br />005301 0 """ """ "•~
<br />
<br />Effluent Gross PERMIT • ....
<br />•'•••• 35 70 mg/L
<br /> REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Solids, settleable SAMPLE
<br />
<br />
<br />0
<br />MEASUREMENT
<br />
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<br />
<br />,•»»
<br />
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<br />
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<br />
<br />vH l
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<br />
<br />130 //++?
<br />63
<br />)q?o
<br />05461 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 />
<br />MEASUREMENT ,,,,,,
<br />2.3o
<br />Z3 0
<br />0104510
<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 /> MEASUREMENT ,,,,,, ,,,•„ .?, .• A n
<br />M ? ?
<br />? (
<br />
<br />X N
<br />N O
<br />0
<br />"
<br />0358210
<br />Effluent Gross PERMIT """ •••"' •«•" •»"• •~•~
<br />T M
<br />mg/L
<br /> REQUIREMENT INS
<br />AX Contingent GRAB
<br />Flow, in conduit or thru treatment plant SAMPLE
<br />MEASUREMENT _A
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<br />..»..
<br />.,....
<br />.,.,»
<br />..»..
<br /> 30
<br />50050 1 0 PERMIT Req. Mon. Rea. Mon. Mnaud_ ».••• ••-*« .».» ..•...
<br />tttluent Gross REQUIREMENT 30DA AVG DAILY MX V Monthly INSTAN
<br />Oil and grease visual SAMPLE
<br /> MEASUREMENT V »`» .»•» • •... •••.« Q 30 /SCI
<br />84066 1 0 "`••'
<br /> PERMIT Req. Mon. Y=1;N=0 •~••• •-•«• •••*» •»••
<br />Effluent Gross REQUIREMENT INST MAX Monthly VISUAL
<br />NAMEITITLE PRINCIPAL EXECUTIVE OFFICER I amfytmda "p "•Ityoflaw dutd,ind-mentandall m"ad nem'"ercpmpuWu°dermydimna at
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<br />>.P- ion m -,d-., with a sy>tttn designed m aea
<br />urc that qualified personnel properly gather and
<br />valuate the infumm,ion submitted Hosed un my in
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<br />TELEPHONE ATE
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<br />1._Ih m, or df m p,som directly rcsp . l. for gathering tM information, Ne if. ,madon submitted
<br />to th< best of my knowledge ad bchc( true, accu,a¢, and wmpl<te, f am aware that the,e u<aigni(cant TT
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<br />rlrs panalryie
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<br />submmmgfalse infumution, inclwlingthep-ibility°ffeandimpdsnomem rr h-in
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<br />TYPED OR PRINTED %
<br />s NATURE OF PRIN IPAL EXECUTIVE OFFICER OR
<br /> AUTHORIZED AGENT AREA cod. NUMBER MMlDD
<br />CnMMFNTC Akin PYPI AkiATInN nc ANV arlnt A- - IM-1 ------ - 1. _.._
<br />TSS & TOTAL IRON LIMITS WILL BE WAIVED, AND SETTLEABLE SOLIDS LMT APPLIED FOR <=10YR,24 HR PRECIP EVENT;SETTLEABLE SOLIDS LIMITS MAY BE WAIVED FOR 110YR,24HR EVENT-SEE IA.1, PP 4-5,
<br /> AND 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 RPTD.
<br />EPA Form 3320-1 (Rev.01106) Previous editions may be used.
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