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<br />NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES)
<br />DISCHARGE MONITORING REPORT (DMR)
<br />Form Approved
<br />OMB No. 2040-0004
<br />PERMITTEE NAME/ADDRESS (Include Faci/ityNameAocabbn ifDdYeient)
<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 009A
<br />PERMIT NUMBER DISCHARGE NUMBER
<br />MONITORING PERIOD
<br />MM/DD/YYYY MM/DD/YYYY
<br />FROM 06/0112009 TO 06/30/2009
<br />DMR Mailing ZIP CODE: 81424-0535
<br />MINOR
<br />GUNIS
<br />SURF RUNOFF TO N FK GUNIS RIVR
<br />External Outfall
<br />No Discharge M
<br />
<br />PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION NO.
<br />EX FREQUENCY
<br />OF ANALYSIS SAMPLE
<br />TYPE
<br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS
<br />pH SAMPLE
<br /> MEASUREMENT
<br />0040010 PERMIT `•"" """ """ 6.5 "••„ 9 SU
<br />Effluent Gross REQUIREMENT MINIMUM MAXIMUM Monthly INSITU
<br />Solids, total suspended SAMPLE
<br /> MEASUREMENT
<br />0053010 PERMIT """ """' "•„' "„" 35 70 mg/L
<br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Solids
<br />settleable SAMPLE
<br />, MEASUREMENT
<br />005451 0 PERMIT Req. Mon. Req. Mon. mUL
<br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Iron, total (as Fe) SAMPLE .,,„, „„„ ,„,,, ,,,,•,
<br /> MEASUREMENT
<br />010451 0 PERMIT 3500 700 u?
<br />
<br />Effluent Gross
<br />REQUIREMENT
<br />30D
<br />G DAILY
<br />MX Monthly GRAB
<br />Oil and grease SAMPLE .».„ „„„ •„„, „„„ ,,,„,
<br /> MEASUREMENT
<br />0358210 PERMIT '•"" "»" "'»' '""' ""•• 10 mg/L
<br />Effluent Gross REQUIREMENT INST MAX Contingent GRAB
<br />Flow, in conduit or thru treatment plant SAMPLE ,,,,,, •„»,
<br /> MEASUREMENT
<br />50050 1 0 PERMIT Req. Mon. Req. Mon. MgaUd •'„•• ""•' "*"• ••„'•
<br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly INSTAN
<br />Solids
<br />total dissolved SAMPLE
<br />, MEASUREMENT
<br />702951 0 PERMIT •"» »»„ •„? ?••• D Mon.
<br />mg/L
<br />
<br />Effluent Gross
<br />REQUIREMENT A AVG
<br />O MX
<br />DAL Quarterly GRAB
<br />AME/TITLEPRINCIPAL EXECUTIVE OFFICER leerfify miderpQ1alry of lmthat this domwcoraaW 11amchmeera""'prepared under mydirccrionor
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<br />on my inquiry of the perann or persoos a ge the
<br />syueub «those persms directly responsible for gatherfrag p) ion, the f «h ian sub ifiis.
<br />m thn best of my knmvMdge and babel, true, for pde, and W anmpl-ata 1 soo aware d. dw thcrc are sig gnificant
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<br />TYPED OR PRINTED SI TUREOFPRINCIPALEXECU OFFICER OR
<br />AUTHORIZED AGENT AREA Cud. NUMBER MMIDDIYYYY
<br />...,a.nn o. a - -a,- - a....... a......? a•.a.. .ava?. a avnu tneacaence an dnacnmen[s nere/
<br />TSS & TOTAL IRON LIMITS WILL BE WAIVED, AND SETTLEABLE SOLIDS LMT APPLIED FOR -I0YR,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.A2.G OF RATIONALE. 30 DAY AVG. IF HIGHEST MONTHLY AVG. DURING PERIOD REPRTD.
<br />EPA Form 3320.1 (Rev.01106) Previous editions may be used. Page 1
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