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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 017-A
<br />PERMIT NUMBER DISCHARGE NUMBER
<br />MONITORING PERIOD
<br />MM/DD/YYYY MM/DD/YYYY
<br />FROM 12/01/2009 TO 12/31/2009
<br />Forrn Approved
<br />OMB No. 2040-0004
<br />DMR Mailing ZIP CODE: 81424-0535
<br />MINOR
<br />GUNIS
<br />SURF RUNOFF TO N. FK GUNIS RIV
<br />External Outfall
<br />No Discharge
<br />
<br />PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION NO.
<br />EX* FREQUENCY
<br />OF ANALYSIS SAMPLE
<br />TYPE
<br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS
<br />pH SAMPLE
<br /> MEASUREMENT
<br />
<br />0040010
<br />Effluent Gross PERMIT
<br />REQUIREMENT „,.,, „"" ,,,,,, 6.5
<br />MINIMUM "•"' 9
<br />MAXIMUM SU
<br />Monthly
<br />INSITU
<br />Solids, total suspended SAMPLE
<br />
<br />MEASUREMENT ,,,,,,
<br />
<br />0053010
<br />Effluent Gross PERMIT
<br />REQUIREMENT "«." „"" 35
<br />30DA AVG 70
<br />DAILY MX
<br />L
<br />Monthly
<br />GRAB
<br />Solids, settleable SAMPLE «„„, ,,
<br />
<br />MEASUREMENT ,,„
<br />
<br />005451 0
<br />Effluent Gross PERMIT
<br />REQUIREMENT """ "»" "'»` '»•» Req. Mon.
<br />30DA AVG Req. Mon.
<br />DAILY MX mUL
<br />Monthly
<br />GRAB
<br />Iron, total (as Fe) SAMPLE ...,.. „....
<br /> MEASUREMENT
<br />
<br />010451 0
<br />Effluent Gross PERMIT
<br />REQUIREMENT 3000
<br />30DA AVG 6000
<br />DAILY MX u9/L
<br />Monthly
<br />GRAB
<br />Oil and grease SAMPLE ,,,,.,
<br />
<br />MEASUREMENT ,,,,,, ,,,,
<br />
<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 />
<br />500501 0
<br />Effluent Gross PERMIT
<br />REQUIREMENT Req. Mon.
<br />30DA AVG Req. Mon.
<br />DAILY Mx Mgal/d "`•" """ ",,,. Monthly INSTAN
<br />Solids, total dissolved SAMPLE
<br /> MEASUREMENT
<br />
<br />70295 1 0
<br />Effluent Gross PERMIT
<br />REQUIREMENT """ "»" "`»' '»•" Req. Mon.
<br />QRTR AVG Req. Mon.
<br />DAILY MX mg/L
<br />Quarterly
<br />GRAB
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<br />TSS & TOTAL IRON LIMITS WILL BE WAIVED. AND SETTLEABLE SOLIDS LMT APPLIES FOR <=10YR,24HR PRECIP EVENT; SETTLEABLE SOLIDS LIMIT MAY BE WAIVED FOR >10YR,24HR EVERT-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 RPTD
<br />EPA Form 3310.1 (Rev.01/06) Previous editions may be used. Page 1
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