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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES)
<br />DISCHARGE MONITORING REPORT (OMR)
<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 02/0112010 TO 02/28/2010
<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 />
<br />QUANTITY OR LOADING
<br />QUALITY OR CONCENTRATION NO.
<br />EX
<br />?
<br />FREQUENCY
<br />OF ANALYSIS
<br />SAMPLE
<br />TYPE
<br />PARAMETER
<br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS
<br />pH SAMPLE ....,. ,.»,. .,.,.. ......
<br /> MEASUREMENT
<br />004001 0
<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 /> MEASUREMENT
<br />005451 0 PERMIT Req. Mon. Req. Mon.
<br />X mUL
<br />Monthly
<br />GRAB
<br />Effluent Gross REQUIREMENT 30DA AVG DAILY M
<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
<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 />500501 0 PERMIT Req. Mon. Req. Mon. MgaVd
<br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly INSTAN
<br />Oil and grease visual SAMPLE
<br /> MEASUREMENT
<br />
<br />840661 0
<br />PERMIT
<br />.»...
<br />fN
<br />Mo
<br />n.
<br />Y=1;N= .».,. ...... . «« ..,.,.
<br />
<br />Effluent Gross
<br />REQUIREMENT I
<br />?
<br />w Monthly VISUAL
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<br />u SIGNA E OF PRINCIPAL EXECUTIVE OFFICER OR
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<br />TYPED OR PRINTED AUTHORIZED AGENT AREA Ced. NUMBER MW00lYYYY
<br />COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here)
<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 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 />EPA Form 3320-1 (Rev.01100) Previous editions may be used. Page 1
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