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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) <br />DISCHARGE MONITORING REPORT (DMR) <br />PERMITTEE NAMEIADDRESS (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 010-A <br />PERMIT NUMBER] I DISCHARGE NUMBER <br />MONITORING PERIOD <br />MM/DD/YYYY MM/DD/YYYY <br />FROM 11/01/2010 TO 11/30/2010 <br />Forth Approved <br />OMB No. 2040-0004 <br />DMR Mailing ZIP CODE: 81424-0535 <br />MINOR <br />GUNIS <br />SEDIMENT POND TO SANBORN CREEK <br />External Outfall <br />No Discharge <br /> <br /> <br /> <br />ARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION E <br />NO. <br />X <br />?( <br /> <br />FREQUENCY <br />OF ANALYSIS <br /> <br />SAMPLE <br />TYPE <br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS <br />pH SAMPLE <br /> MEASUREMENT <br />0040010 PERMIT """ """ •"" 6.5 •"" 9 SU <br />Effluent Gross REQUIREMENT MINIMUM MAXIMUM Monthly INSITU <br />Solids, total suspended SAMPLE <br /> MEASUREMENT <br />0053010 PERMIT """ "'"" 35 70 mg/L <br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly GRAB <br />Solids, settleable SAMPLE <br /> MEASUREMENT <br />005451 0 PERMIT """ """` "'•• "" ' Req. Mon. Req Mon. mUL <br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly GRAB <br />Iron, total (as Fe) SAMPLE „... »»» <br /> MEASUREMENT <br />01045 1 0 PERMIT 3500 7000 ug/L <br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly GRAB <br />Oil and grease SAMPLE <br /> MEASUREMENT <br />0358210 PERMIT »„.. »»„ ....,, .».» ».... 10 m9? <br />Effluent Gross REQUIREMENT MAX <br />INST Contingent GRAB <br />Flow, in conduit or thru treatment plant SAMPLE <br /> MEASUREMENT <br />500501 0 PERMIT Req. Mon. Req. Mon. MgaVd ""•• »`•» "•"• •••"• <br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly INSTAN <br />Oil and grease visual SAMPLE <br /> MEASUREMENT <br />84066 1 0 PERMIT Req Mon. Y=1;N=0 <br />»•» <br />»,», <br />•••» <br />...»• <br />Effluent Gross REQUIREMENT INST MAX Mouthy VISUAL <br />NAME/TITLEPRINCIP EXECUTIVE OFFICER "arufyunder penahY-flaw thnthisdocumentaMillanachmemsu-prepatodmd.my dre`-m <br />supmenun in xwrdance with a.yy? dKigned m -m d u4nalmed aannttel ptopey pll- nd <br />TELEPHONE <br />DATE <br /> evilwte the in( muti,m submntal. Based un my mquny of the person or pcnom wiw manage the <br />rystem, or thox peno s directly respom6k for g=haing the infomu'on, do infonru ien submimd is. <br />m the best of my knowledge and belief. we. xcurate, and m km. 1 am aware Ibu there are signifiznt 'a/ <br />?^ _ / 2 <br />"? y <br />. <br />' /? <br />` <br />(A(r r ?!? penm <br />rnr submdting gal a int morn, mludmg M pn :in y ntt and mp wnment t r mow ng 7 <br /> o a SIGNA E OF PRINCIPAL EXECU OFFICER OR <br />TYPED OR PRINTED : <br />AUTHORIZED AGENT ARI=A Cod. NUMBER MM/ootyYYY <br />a Vmmrn 10 AIYV rArL M%IIVn Ur AMT v1UL.AI1Urva leeererence au anaenmenss nere) <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 I.A.1,PP 4-5, AND <br /> I.A.2, P. 5 <br />FOR ROMNTS.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.01106) Previous editions may be used. paps 1