NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES)
<br />DISCHARGE MONITORING REPORT (DMR)
<br />PERMITTEE NAME/ADDRESS (Include Facility NamelLocation if Different)
<br />NAME: Oxbow Mining LLC
<br />ADDRESS: PO Box 535
<br /> Somerset, CO 81434-0535
<br />FACILITY: SANBORN CRK & ELK CRK MINES
<br />LOCATION: 3737 HIGHWAY 133
<br /> SOMERSET, CO 81434
<br />000000132 012-A
<br />PERMIT NUMBER DISCHARGE NUMBER
<br />MONITORING PERIOD
<br />MM/DD/YYYY MM/DD/YYYY
<br />FROM 03/01/2011 TO 03/31/2011
<br />Form Approved
<br />OMB No. 2040-0004
<br />DMR Mailing ZIP CODE: 81424-0535
<br />MINOR
<br />GUNIS
<br />SEDIMENT POND TO ELK CREEK
<br />External Outfall
<br />ATTN: James T. Cooper, EVP
<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 />„»»
<br />..»
<br />„».
<br />• 0
<br />??
<br />t7
<br />?13J
<br />/N51
<br />0040010 PERMIT """ "'•" """' 6.5 •'•»' 9 SU
<br />Effluent Gross REQUIREMENT MINIMUM MAXIMUM Monthly INSITU
<br />Solids, total suspended SAMPLE f
<br /> MEASUREMENT »„„ „„» »»» ""• 2j 2
<br />3 n
<br />?1A ' C
<br />O
<br />1 3J
<br />(y1Lllp
<br />0053010 PERMIT """ `•"" ""•' """ 35 70
<br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Solids, settleable SAMPLE
<br />MEASUREMENT `
<br />4 s',
<br />?l).
<br />?11!
<br />d
<br />1,3 J
<br />6.14 6
<br />00545 1 0
<br />Effluent Gross PERMIT "`"' ""'• """ •""' Req. Mon. Req. Mon. mUL
<br /> REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Iron, total (as Fe) SAMPLE ....,.
<br /> MEASUREMENT 7 C u' , V l O 6 A
<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 />
<br />""? v / 17
<br />6 r ??
<br />
<br />In
<br />0358210 PERMIT """ """ ',,,,, „"" •"»` 10 mg/L
<br />Effluent Gross REQUIREMENT INST MAX Contingent GRAB
<br />Flow, in conduit or thru treatment plant SAMPLE
<br />MEASUREMENT
<br />Ll
<br />N
<br />1414 ,,,,,, ,,,,,, »?,•• ...
<br />
<br />V
<br />
<br />l j?
<br />
<br />??SJ ry
<br />50050 1 0 PERMIT Req. Mon. Req. Mon. Mgalld •""•
<br />Efflu ent Gross REQUIREMENT 30DAAVG DAILY MX Monthly INSTAN
<br />Solids, total dissolved SAMPLE ,,,,,, q
<br />I
<br /> MEASUREMENT AM 9Q Cn4(o
<br />70295 1 0
<br />Effluent Gross PERMIT „"` q. Mon. mg/L
<br /> REQUIREMENT G ILY MX Quarterly GRAB
<br />NAMElTITLE PRINCIPAL EXECUTIVE OFFICER ° 'k` ydimam
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<br />dte best of my kmwle4,e awl belief, we, accmae, and wmpim. I am awue tha these arc gnifcant
<br />Wu fw sub-..g W. mf.-i- including the p-bs ity of f- and imprisonment f? kwving
<br />97 9z g -,f'/ z y
<br />0 7 4
<br />41--PS-111
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<br />TYPED OR PRINTED SIGNA E OF PRINCIPAL EXECUTI OFFICER OR
<br /> AUTHORIZED AGENT AREA Cod. NUMBER MMIDD/YYYY
<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 IA,I,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.01/06) Previous editions may be used. 11 Page 1
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