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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES)
<br />DISCHARGE MONITORING REPORT (DMR)
<br />PERMITTEE 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 019-A
<br />PERMIT NUMBER DISCHARGE NUMBER
<br />MONITORING PERIOD
<br />MM/DD/YYYY MM/DD/YYYY
<br />FROM 06/01/2010 TO 06/30/2010
<br />Form Approved
<br />OMB No. 2040-0004
<br />DMR Mailing ZIP CODE: 81424-0535
<br />MINOR
<br />GUNIS
<br />SURFACE RUNOFF TO HUBBARD CRK
<br />External Outfall
<br />No Discharge) X I
<br />
<br />PARAMETER QUANTITY OR LOADING
<br />QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE
<br /> EX OF ANALYSIS TYPE
<br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS
<br />pH SAMPLE ,,,,,,
<br /> MEASUREMENT
<br />0
<br />040010 PERMIT """ 6.5 ••"•` 9 SU
<br />Effluent Gross REQUIREMENT MINIMUM MAXIMUM Monthly INSITU
<br />Solids, total suspended SAMPLE
<br />"""
<br />
<br />MEASUREMENT """
<br />00
<br />53010
<br />Effluent Gross PERMIT ",,,, """ ""„ .... 35 70
<br />L
<br /> REQUIREMENT 30DA AVG MX 7D AV Monthly GRAB
<br />Solids, settleable SAMPLE ,,,,
<br /> MEASUREMENT """ """
<br />0
<br />05451 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
<br />010451 0 „"•'
<br />
<br />Effluent Gross PERMIT """ 3000 6000 ug/L
<br /> REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Oil and grease SAMPLE ,,,,,, ,,,,,
<br /> MEASUREMENT
<br />
<br />0358210
<br />Effluent Gross PERMIT „,,,, "•"' ~"•' •~••' ,,,,,• 10 mg/L
<br /> REQUIREMENT INST MAX Contingent GRAB
<br />Flow, in conduit or thru treatment plant SAMPLE
<br /> MEASUREMENT
<br />
<br />500501 0 PERMIT Req. Mon. Req. Mon. MgaUd „,,., ,,,,•• •••••• ......
<br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly INSTAN
<br />Solids, total dissolved SAMPLE .,,,,.
<br />
<br />MEASUREMENT „•, , .•
<br />"""
<br />
<br />702951 0
<br />Effluent Gross PERMIT „,,,. '~"` "•"' Req. Mon. Req. Mon. mg/L
<br /> REQUIREMENT 30DA AVG DAILY MX Quarterly GRAB
<br />MEMTLEPRINCIPAL XECUTIVEOFFICER 1etrtty nderNmIryIt ,1that mi,d«amem.ndaiiarc.ehmen.nere prepn,eaandermydi-fi-a, TELEPHONE DATE
<br />aupervislun in -rd-, -h a system designed m as>ure char qualified personnel properly gad r and ii"/-& /•
<br />&A Vy -1- the inram>duun suhmnted. B-d wt my inquiry ufrhe perwn ur persons w menage y=r
<br />em nr 'rrp`rsa di -,1, rebe p .,b a rnrga?mng d,e inf m,a?on. he inrom arian ,abmi? d i,.
<br />o the nesof my knowledge and Hr true . u . and wmplete. 1 am nwuc that ,her, arc signilcant
<br />t ?d 9 z.9 - S iz Z 7 /o /i Q
<br />`- ?• (' r f $ / O`,(^/? P-h- 4n submatmg W. inf.,mu,ndad,ng thn prssmdity ui r e and imprivmmem r r lu,uaing
<br />SIGNA E OF PRINCIPAL EXECUTIVE OFFICER OR
<br />t
<br />TYPED OR PRINTED Tit AUTHORIZED AGENT u+E? coa. NUMBER MM/DO/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 <=10,24HR PRECIP EVENT; SETTLEABLE SOLIDS LIMIT MAY BE WAIVED FOR >10YR.24HR EVENT-SEE I.A.1,PP 4-5, AND
<br /> I.A.2, P 5 FOR
<br />RQMNTS.TDS MONITORING-SEE PART VI.A.2.G OF RATIONALE. 30 DAY AVG IS HIGHEST MONTHLY AVG DURING REPORTING PERIOD.
<br />s eanlons may De used. --
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