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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES)
<br />DISCHARGE MONITORING REPORT (DMR)
<br />Form Approved
<br />OMB No. 2040-0004
<br />PERMITTEE NAME/ADDRESS (Include Facile Name/Location ifDe,,nt)
<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 010A
<br />PERMIT NUMBER DISCHARGE NUMBER
<br />MONITORING PERIOD
<br />MM/DD/YYYY MM/DD/YYYY
<br />FROM 10/01/2009 TO 10/31/2009
<br />DMR Mailing ZIP CODE: 81424-0535
<br />MINOR
<br />GUNIS
<br />SEDIMENT POND TO SANBORN CREEK
<br />External Outfall
<br />No Discharge
<br />
<br />PARAMETER QUANTITY OR LOADING 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 />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 300A AVG DAILY MX Monthly GRAB
<br />Solids, 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 />0104510 PERMIT ""'" """' """ '•"" 3500 7000 ug/L
<br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Oil and grease SAMPLE ,,,,., „,,,, „„„ „„„ ,„„•
<br /> MEASUREMENT
<br />0358210 PERMIT ..,.., ..»„ ...». .».,, .»,» 10 mgt
<br />E
<br />ffluent Gross REQUIREMENT INST MAX Contingent GRAB
<br />Flow, in conduit or thru treatment plant SAMPLE ,„,•, ,,,,» ...... ?.,.
<br /> MEASUREMENT
<br />50050 1 0 PERMIT Req. AV DAL MMX MgaVd '• '•' "'••• »••„ •„•*•
<br />Effluent Gross REQUIREMENT G Monthly INSTAN
<br />Oil and grease visual SAMPLE .,„„ ,„,,, ,•,,,, ,,,,.. ....?
<br /> MEASUREMENT
<br />840661 0 PERMIT Req. Mon. Y=1;N=0 •""• ••••» -•••-• •»••-
<br />Effluent Gross REQUIREMENT INST MAX 1 - 1 Monthly VISUAL
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<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 /> IA.2. P. 5
<br />FOR RQMNTS.TDS MONITORfNG-SEE PART VI.A.2.G OF RATIONALE. 30 DAY AVG. IS HIGHEST MONTHLY AVG. DURING PERIOD REPRTD.
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<br />erA rortn sazU-1 (lcev.Ul/VOJ Previous editions may be used. Page 1
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