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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 015-A
<br />PERMIT NUMBER DISCHARGE NUMBER
<br />MONITORING PERIOD
<br />MM/DD/YYYY MM/DD/YYYY
<br />FROM 05/01/2010 TO 05/31/2010
<br />Form Approved
<br />OMB No. 2040-0004 - ,
<br />DMR Mailing ZIP CODE: 81424-0535
<br />MINOR
<br />GUNIS
<br />DISCHARGE TO ELK CREEK
<br />External Outfall
<br />No Discharge
<br />PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION EX FREQUENCY
<br />OF ANALYSIS STY EE
<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 30DA AVG MX 7D AV Monthly GRAB
<br />Iron, total (as Fe) SAMPLE ,.«,. ,,««
<br /> MEASUREMENT
<br />0104510 PERMIT .,„" """ """ ""'• 3000 6000 ug/L
<br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Oil and grease SAMPLE
<br /> MEASUREMENT
<br />0358210 PERMIT ",,,, „,,,' """ 10 mg/L
<br />Effluent Gross REQUIREMENT INST MAX Contingent GRAB
<br />Flow, in conduit or thru treatment plant SAMPLE
<br />......
<br />
<br />r?+
<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 n ...... •""` Ran Mnn
<br />_
<br />V=1-N=n ••«„ .«». ..».. ...„.
<br />Effluent Gross I REQUIREMENT I I INST MAX I I I I I I I Weekly I VISUAL
<br />
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<br />TELEPHONE
<br />DATE
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<br />n IGNATURE OF NCIPAL EXECUTIVE OFFICER OR
<br />TYPED OR PRINTED AUTHORIZED AGENT AREA code NUMBER MMID r"vy
<br />t:UMMtN Ib ANU MAI'LANAI IUN Ur ANT VIULAI IUNb (Reference all attachments nere)
<br />30 DAY AVERAGE IS HIGHEST MONTHLY AVERAGE DURING PERIOD REPORTED. OIL & GREASE - SEE 1.6.1.1).
<br />EPA Form 3320-1 (Rev.01106) Previous editions may be used. Page 1
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