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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES)
<br />DISCHARGE MONITORING REPORT (DMR)
<br />° ?..". :7-c'tta.ih^ ;ADDRESS (Include Facility Name/Location if Different)
<br />;'.•,f.lc: Oxbow Mining LLC
<br />.--00 -'2ESS: PC) Box 535
<br /> Somerset, CO 81424-0535
<br />O?ILiTY: SANBORN CRK & ELK CRK MINES
<br />'.-CATION: 3737 HIGHWAY 133
<br /> SOMERSET, CO 81434
<br />ATTN: Jami:s T. Cooper, EVP
<br />I 000000132 ::1 1 007-A
<br />PERMIT NUMBER DISCHARGE NUMBER
<br />MONITORING PERIOD
<br />MM/DD/YYYY MM/DD/YYYY
<br />FROM 09/01/2010 TO 09/30/2010
<br />Form Approved
<br />OMB No. 2040-0004
<br />DMR Mailing ZIP CODE: 81424-0535
<br />MINOR
<br />GUNIS
<br />SEDIMENT POND TO HUBBARD CREEK
<br />External Outfall
<br />No Discharge
<br />
<br />
<br />PARAMETER
<br />QUANTITY OR LOADING
<br />QUALITY OR CONCENTRATION 1. NO.
<br />EX FREQUENCY
<br />
<br />ALYSI YSIS
<br />OF a AN aN
<br />SAMPLE
<br />TYPE
<br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS
<br />pH SAMPLE
<br /> MEASUREMENT
<br />0040010
<br />effluent Gross PERMIT
<br />REQUIREMENT 6.5
<br />MINIMUM '••••• 9
<br />MAXIMUM SU
<br />Monthly
<br />INSITU
<br />Solids, total suspended SAMPLE .„.„ ,,,••, ,,,,,
<br /> MEASUREMENT
<br />0053010
<br />Effluent Gross PERMIT
<br />REQUIREMENT '"••' 35
<br />30DA AVG 70
<br />DAILY MX mg/L
<br />Monthly
<br />GRAB
<br />Solids, settleable SAMPLE „.„, „„•, „,.,, ,
<br />
<br />MEASUREMENT ,,,
<br />00545 1 0
<br />Effluent Gross PERMIT
<br />REQUIREMENT '„", Req. Mon.
<br />300A AVG Req. Mon.
<br />DAILY MX mUL
<br />Monthly
<br />GRAB
<br />Iron, total (as Fe) SAMPLE ,„„. „„„ »,,,,
<br /> MEASUREMENT
<br />
<br />0104510
<br />Effluent Gross PERMIT
<br />REQUIREMENT """ „„« ...«, •«'•• 3500
<br />30DA AVG 7000
<br />DAILY MX ug/L
<br />Monthly
<br />GRAB
<br />Oil and grease SAMPLE »„„ „„,•
<br /> MEASUREMENT
<br />
<br />0358210
<br />Effluent Gross PERMIT
<br />REQUIREMENT """ """ "•" •«"' •"•'• 10
<br />INST MAX mg/L
<br />Contingent
<br />GRAB
<br />Flow, in conduit or thru treatment plant SAMPLE
<br /> MEASUREMENT
<br />
<br />50050 1 0
<br />Effluent Gross PERMIT
<br />REQUIREMENT Req. Mon.
<br />30DA AVG Req. Mon.
<br />DAILY MX MgaVd •«" • ••"•• •••.., •*»••
<br />Monthly
<br />INSTAN
<br />Solids, total dissolved SAMPLE
<br /> MEASUREMENT
<br />
<br />7029510
<br />
<br />Effluent Gross
<br />PERMIT
<br />REQUIREMENT ,••„•
<br />""" •••••• •-••»
<br />Req. Mon.
<br />30DA AVG
<br />Req. Mon.
<br />DAILY MX
<br />mg/L
<br />
<br />Quarterly
<br />
<br />GRAB
<br />NAME/TITLE PRINCIPAL EXECUTIVE OFFICER Ic f `rp..11y°f1_ih-tmd°cumeasad :=q-11r, suxrcP-1.1wundcmydimetio
<br />supervrvon in accordance mth a yaem desibmcd m persolmel ppr°erly gather aevaluate the mfomwioo subrmncd
<br />Based on my inquiry of the
<br />erson or
<br />ersons whu
<br />a
<br />th TELEPHONE DATE
<br />
<br />Q
<br />V-1-6
<br />?«, • / / .
<br />p
<br />P
<br />m
<br />nage
<br />e
<br />sysMm, or dune p-.. dimmly responsible for gathering themiinnpfomuLim, the in( ion submine
<br />penallte?f forfsubmitling?falw i forme iun including the pov bililty of fire urd imp iu moem for km
<br />
<br />I V • ,
<br />k
<br />
<br />?,a ?1?? ?$ i /
<br />
<br />?n (? ??d g Q
<br />
<br />TYPED OR PRINTED IGNATU
<br />RE OF PRIN IPAL EXECUTIVE OFFICER OR
<br /> AUTHORIZED AGENT AREA Cod. NUMBER MMUDDnYYY
<br />TSS 8 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 /> IA.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 />trA roan 33ZU-0 (Kev.uiruo) rrevious editions may be used. Page 1
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