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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) Form Approved 9
<br />DISCHARGE MONITORING REPORT (DMR) OMB No. 2040-0004
<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 :::] I 007-A
<br />PERMIT NUMBER DISCHARGE NUMBER
<br />MONITORING PERIOD
<br />MM/DD/YYYY MM/DD/YYYY
<br />FROM 07/01/2010 TO 07/31/2010
<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 />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 />
<br />004001 0
<br />Effluent Gross PERMIT 6.5 •`•»• 9 SU
<br /> REQUIREMENT MINIMUM MAXIMUM Monthly INSITU
<br />Solids, total suspended SAMPLE
<br />»?»
<br /> MEASUREMENT »» `""`
<br />
<br />0053010
<br />Effluent Gross PERMIT „,,,, •'"" '••,,, 35 70 m L
<br /> REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Solids, settleable SAMPLE ...,,. ,..,,,
<br />
<br />MEASUREMENT »,,..
<br />
<br />005451 0
<br />Effluent Gross PERMIT ....., Req. Mon. Req. Mon. mUL
<br /> REQUIREMENT 300A AVG DAILY MX Monthly GRAB
<br />Iron, total (as Fe) SAMPLE .... .. ......
<br />
<br />
<br />MEASUREMENT ......
<br />»..
<br />0104510
<br />
<br />Effluent Gross PERMIT 3500 7000 u L
<br /> REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Oil and grease SAMPLE ,.,,,,
<br />
<br />MEASUREMENT .... . «».
<br />
<br />0358210
<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 />50050 1 0 PERMIT Req. Mon. Req. Mon. Mgal/d •,,,,, .»'•• ...,•• ,»..,
<br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly INSTAN
<br />Oil and grease visual SAMPLE .,,,.,
<br />
<br />MEASUREMENT ...... ..... ._._»
<br />"""
<br />
<br />84066 1 0 PERMIT Req. Mon. Y=1;N=0 '»"' •»»• ••»•• »»,.
<br />Effluent Gross REQUIREMENT INST MAX I I
<br />Monthly
<br />VISUAL
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<br />IGNATURE OF PRINC ,
<br />e•V
<br />
<br />TYPED OR PRINTED IPAL EXECUTIVE OFFICER OR
<br /> AUTHORIZED AGENT
<br />AREA Code
<br />NUMBER
<br />MNUDD/YYYY
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<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 /> 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 />Dns may oe used. Page 1
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