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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES)
<br />DISCHARGE MONITORING REPORT (DMR)
<br />PERM ITTEE 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 010-A
<br />PERMIT NUMBER DISCHARGE NUMBER
<br />MONITORING PERIOD
<br />MM/DD/YYYY MM/DD/YYYY
<br />FROM 08/0112010 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 SANBORN CREEK
<br />External Outfall
<br />No Discharge
<br />PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION EX FREQUENCY
<br />OF ANALYSIS STYPPEE
<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 ...... •••,„ ..,.,. •-••.
<br />• 35 70 L
<br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Solids, settleable SAMPLE
<br />??????
<br />»?
<br /> MEASUREMENT
<br />00545 1 0 PERMIT Req. Mon. Req. Mon. mL/L
<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 />»»»
<br /> MEASUREMENT
<br />0358210 PERMIT ,..„. »..,. .»... .».„ ...»
<br />. 10
<br />L
<br />Effluent Gross REQUIREMENT INST MAX Contingent GRAB
<br />Flow, in conduit or thru treatment plant SAMPLE
<br /> MEASUREMENT """'
<br />500501 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 /> MEASUREMENT """
<br />84066 1 0 PERMIT •.. Req. Mon. Y=1;N=0 •~'•• '••"• •••••• ••-••-
<br />Effluent Gross REQUIREMENT INST MAX Monthly VISUAL
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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
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<br />FOR RQMNTS.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.01106) Previous editions may be used. Page 1
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