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PERMITTEE NAME/ADDRESS (Include Facility Name/Location 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 />ATTN: James T. Cooper, EVP <br />NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) <br />DISCHARGE MONITORING REPORT (DMR) <br />000000132 009-A <br />PERMIT NUMBER DISCHARGE NUMBER <br />MONITORING PERIOD <br />MM/DD/YYYY MM/DD/YYYY <br />FROM 12/01/2010 TO 12/31/2010 <br />Form Approved <br />OMB No. 2040.0004 <br />DMR Mailing ZIP CODE: 81424-0535 <br />MINOR <br />GUNIS <br />SURF RUNOFF TO N FK GUNIS RIVR <br />External Outfali <br />No Discharge <br />PARAMETER QUAN TITY OR LOADING Q UALITY OR CONC ENTRATION N <br />O. REEQU <br />F <br />ENCYY S MPE E <br /> E O <br />F <br />UE <br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS <br />pH <br /> <br /> <br />0040010 SAMPLE <br />MEASUREMENT <br />,?« <br /> <br />""" <br />.• <br />••."• <br />? <br />'•"'• t? <br />I y <br /> <br />• <br />S N <br />D <br /> <br /> <br />o <br /> <br /> <br />NS/ <br />'f <br />Effluent Gross PERMIT '•"" "•'•• 6.5 9 SU <br /> REQUIREMENT MINIMUM MAXIMUM Monthly INSITU <br />Solids, total suspended SAMPLE <br /> <br /> <br /> <br />05301 <br /> <br />MEASUREMENT Ho <br /> <br />I <br />y0 <br />4N 1 <br />Q <br />)'3a <br />G <br />0 <br />Effluent Gross PERMIT <br />REQUIREMENT ~""' »•»• •••»• <br />30DA AVG <br />DAILY MX <br />mgfl <br />Monthly <br />GRAB <br />Solids, settleable SAMPLE <br /> <br />MEASUREMENT ~«,• <br />~~" <br />""" <br />'•""' <br />40.1 <br />0. t <br />'AA <br />O <br />1 D <br />/ _?b <br />t <br />? <br />0054510 <br />Effluent Gross PERMIT <br />REQUIREMENT """ `•"" """ `~`» Req. Mon: <br />30DA AVG Req. Mon. <br />DAILY MX mUL Monthly s <br />GRAB <br />Iron, total (as Fe) SAMPLE <br /> <br />0104510 MEASUREMENT 3 O»-o 30-0-0 i O f/3v <br /> <br />/ <br />1 3D <br />Effluent Gross PERMIT <br />REQUIREMENT ~•• 3500 <br />30DA AVG 7000 <br />DAILY MX ug/L Monthly GRAB <br />Oil and grease SAMPLE <br /> <br /> <br />0358210 <br />MEASUREMENT ,,,••• <br /> <br />" <br />..... <br />"'~. <br />„".. <br />,."" <br />0 <br />wt <br />D <br />Co?fiw n <br />G?? <br /> <br />E <br />ffluent Gross PERMIT ""' """ •»»' ~ <br /> <br />•» <br /> <br />~••» <br />10 <br /> <br />mg/L <br /> REQUIREMENT INST MAX Contingent GRAB <br />Flow, in conduit or thru treatment plant SAMPLE <br /> MEASUREMENT • 1 ...•« ««« ,,,,~ .««• ) <br /> <br />1 O fn <br />50050 1 0 <br />Effluent Gross PERMIT <br />REQUIREMENT Req. Mon, <br />30DA AVG Req. Mon. <br />DAILY MX gad »»•• •••••• •-.~. <br />••• <br /> Monthly INSTAN <br />Solids, total dissolved SAMPLE <br /> <br /> <br />7 <br />MEASUREMENT <br />•?» <br />»~.. <br />».»' <br />•»?.. f? <br />(ll 7 0 <br />00 <br />NA '? <br />p <br />1 0 <br />/ ( <br />? 4 ?0 <br />0295 1 0 <br />Effluent Gross PERMIT <br />REQUIREMENT """ '•«" '~'» •~•~ Req. Mon. <br />300A AVG Req. Mon, <br />DAILY MX mg/L Quarterly GRAB <br />N EJTITLE PRI CIPA EXECUTIVE OFFICER T ry m°°Pe°'Iry""'° tlat" `d°" m md.11. `I"'?° .-pre?d?mydimuanm TELEPHONE DATE <br />supervision in swordmw with a rystem designed m <br />eva an?uc that qualifiN pcrsamml propeJy gathm and <br />luak the wim-mm submitted. B-d w my mqui7 of the Perwo ur Persom whu ""gc the <br />• rystem or d- persons duealy mpomible for pdw g she mfumuri the intbmuriw aubmmrd u J / <br />m the best of my Im -ledge and belief, true, awunue, mid wmpku. 1 am awae Jut dtae are aignificmt 970 9z 9 s/ Z z o - /o <br />a pe..ki" for subr umg W. nf.-.- including the pussiWity of f am imptiaom m f r knowing SIGNAT E OF PRINCIPAL EXECUTiV& OFFICER OR <br />TYPED OR PRINTED AUTHORIZED AGENT AREA Cod. NUMBER MM IDDIYYYY <br />COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) <br />TSS 8 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.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. IF HIGHEST MONTHLY AVG. DURING PERIOD REPRTD. <br />EPA Form 3320-1 (Rev.01106) Previous editions may be used. _ <br />Page 1