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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES)
<br />DISCHARGE MONITORING REPORT (DMR)
<br />PERMITTEE NAME/ADDRESS (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 012-A
<br />PERMIT NUMBER DISCHARGE NUMBER
<br />MONITORING PERIOD
<br />MM/DD/YYYY MM/DD/YYYY
<br />FROM 08/01/2010 TO 08/31/2010
<br />Form Approved
<br />OMB No. 2040-0004
<br />DMR Mailing ZIP CODE: 81424-0535
<br />MINOR
<br />GUNIS
<br />SEDIMENT POND TO ELK CREEK
<br />External Outfall
<br />No Discharge
<br />
<br />PARAMETER QUAN TITY OR LOADING Q UALITY OR CONC ENTRATION O. FREQUENCY SAMPLE
<br /> E 5
<br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS
<br />pH SAMPLE
<br />0040010 MEASUREMENT ...... ...... 6'5L ` a"'S ? SCI C) ? 3C /NS/
<br />?
<br />Effluent Gross PERMIT •'«" ••»•• • N
<br />M ?•»•• SU
<br /> REQUIREMENT MI
<br />I
<br />UM MAXIMUM Monthly INSITU
<br />Solids, total suspended SAMPLE
<br />
<br />
<br />0053010
<br />MEASUREMENT ,.•,,,
<br />
<br />""
<br />18
<br />S
<br />tH9
<br />V
<br />1/30
<br />COC.to
<br />
<br />E
<br />ffluent Gross PERMIT
<br />REQUIREMENT " "'"" •'•»• ••••••
<br />35
<br />30DA AVG
<br />DAILY MX
<br />mg/L
<br />Monthly
<br />GRAB
<br />Solids, settleable SAMPLE
<br />
<br />
<br />005451 0
<br />MEASUREMENT
<br />.,,.,,
<br />`«" n
<br />0
<br />/ 3? ?s
<br />tYw?
<br />
<br />Effluent Gross PERMIT
<br />REQUIREMENT ""'" "'»•
<br />»
<br />•»' Req. Mon.
<br />30DA AVG Req. Mon.
<br />DAILY MX m(JL
<br />Monthly
<br />GRAB
<br />Iron, total (as Fe) SAMPLE
<br />
<br />MEASUREMENT ,,,„'
<br />....,,
<br />.,,,.
<br />....,
<br />Ly0
<br />ZY-
<br />N Q
<br />/ 30
<br />61aIo
<br />0104510 PERMIT "•«` "'•" `•`»' ••••*f -
<br />
<br />Effluent Gross 3000 6000 u cl
<br />L
<br /> REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Oil and grease SAMPLE
<br />
<br />MEASUREMENT .,..,f .,.,
<br />PA
<br />0
<br />&1 Ok
<br />0358210 PERM "«` """ •"'•• •
<br />
<br />Effluent Gross IT
<br />
<br />REQUIREMENT »••• ,•••••
<br />10
<br />INST MAX
<br />m L
<br />
<br />Contingent
<br />
<br />GRAB
<br />Flow, in conduit or thru treatment plant SAMPLE
<br />
<br />MEASUREMENT , y y t /
<br />!
<br />"""
<br />"•»`
<br />,,,,,,
<br />/
<br /> •"•« 0 30 I,1f4
<br />
<br />50050 1 0
<br />PERMIT
<br />Req. Mon.
<br />Req
<br />Mon
<br />M
<br />al d
<br />'•»'•
<br />»»••
<br />
<br />«?••? r
<br />Effluent Gross REQUIREMENT 30DA AVG .
<br />.
<br />DAILY MX g »•••
<br /> Monthly INSTAN
<br />Oil and grease visual SAMPLE
<br />
<br />
<br />MEASUREMENT, ••••..
<br />
<br />D """
<br />• ••»
<br />
<br />
<br />,,,.,
<br />
<br />
<br />S4A
<br />840661 0 PERMIT "«" Req
<br />Mon Y=1;N=0 •»•« «. •••
<br />» p
<br />Effluent Gross .
<br />.
<br />INST MAX • ,•••»
<br /> REQUIREMENT Monthly VISUAL
<br />NAME/TITLE PRINCIPAL EXECUTIVE OFFICER ceauy utwm P.-Y of bw Wt tfs document and all attachments unre prepued under my du ton or
<br />supervison in ecwrdam:e with a system designed to acsurc that qualif d Personnel Properly gather and
<br />• evaluate the iniurmmi°n submiu«1. lased oo mY tWuiry of the Person or Persons wbo mange the
<br />system, or those P-dircnlr rospo iblc fa gathering the infomution, the mfotmatiw submitted u.
<br />io the but of my knowledge and belief, wc, auuraa, and complete. I am swine that there are significant
<br />C (s I/ /YS d{, p-hiu fm submitting false infi-iun, including the p°saibihty of f e and impri-m for krmwing `
<br />SIGNA E OF PRINCIPAL EXECUTI OFFICER OR
<br />TYPED OR PRINTED AUTHORIZED AGENT
<br />COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here)
<br />TELEPHONE DATE
<br />470 9Zg-512.7- 09/07ho
<br />ARC Ctada NUMBER MM/DDIYYYY
<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 LAA RP 4-5, AND
<br /> I.A.2, P. 5
<br />FOR ROMNTS.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.
<br />Page 1
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