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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 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 />000000132 015-A <br />PERMIT NUMBER DISCHARGE NUMBER <br />MONITORING PERIOD <br />MM/DD/YYYY MM/DD/YYYY <br />FROM 11/01/2010 TO 11/30/2010 <br />Form Approves <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 /> QUANTITY OR LOADING QUALITY OR CONCENTRATION EX <br />NO. <br />E)( FREQUENCY <br /> <br />OF ANALYSIS SAMPLE <br /> <br />TYPE <br />PARAMETER <br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS <br />pH SAMPLE ,...,. .,«., ««.. ...«. <br /> MEASUREMENT <br />0040010 <br />Effluent Gross PERMIT <br />REQUIREMENT <br />MINIMUM <br />. <br />MAXIMUM <br />SU <br />Monthly <br />INSITU <br />Solids, total suspended SAMPLE «,.,. ««,. ««« .««. <br /> MEASUREMENT <br />0053010 <br /> <br />Effluent Gross PERMIT <br /> <br />REQUIREMENT 35 <br /> <br />30DAAVG 70 <br /> <br />MX 7DAV mgll <br />Monthly <br />GRAB <br />Iron, total (as Fe) SAMPLE «.... «.«. «.«. ,««. <br /> MEASUREMENT <br />0104510 PERMIT 30330000 DAILY MX uglL Monthly GRAB <br />Effluent Gross REQUIREMENT <br />Oil and grease . SAMPLE <br /> MEASUREMENT <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 />50050 1 0 PERMIT Req. Mon. <br />30DA AVG Req. Mon. <br />DAILY MX Mgalld •••••• -••••- .«.« .««. <br />Monthly <br />INSTAN <br />Effluent Gross REQUIREMENT <br />Oil and grease visual SAMPLE ,.,.« .«•. ««« .,.«• •«..• <br /> MEASUREMENT <br />84066 1 0 PERMIT <br />[R Req. Mon. <br />INST MAX Y=1:N=0 <br />Weekly <br />VISUAL <br />Effluent Gross EQUIREMENT <br /> <br /> <br /> <br />UTIVEOFFICER <br />N MEMTLEPRINCIPAL <br />XE 1 certify uMw p--hy of la.. that this dxumrnt and all aaachmmts w prepatN ands my disectian or <br /> <br /> <br />,a,m;nKeomn«wfh,.y,nemd.gnedtna%n<b.q-heeap- <br />P iygad--d <br />,p TELEPHONE DATE <br /> = <br />e t- the infontmoon submitted. Based on my mquuy of the Kc ur persons ge the <br /> syucm, or those persons dvealy tesponsibi. for Bath ring the mf moon, she f-.- .b-Id ia. <br />these art significmt <br />ben of my k ge and b <br />c e. 1 am <br />m <br />a I. q fo Q z q - C 1z z <br /> <br />7 / <br />/O <br />G <br />v' and i <br />li , m ng 1, <br />nA <br />p <br />pemtnifo submining ming to se mt nun, ncluding he WUtbilftybiliry of ( e am mppds4nn ent f., nm. nc n SIGNA E OF PRINCIPAL EXECUTIA OFFICER OR <br />TYPED OR PRINTED AUTHORIZED AGENT NUMBER MUMD/YYYY <br />COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) <br />30 DAY AVERAGE IS HIGHEST MONTHLY AVERAGE DURING PERIOD REPORTED. OIL & GREASE - SEE I.B.I.D. <br />EPA Form 3320.1 (Rev.01106) Previous editions may be used. Page 1