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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) <br />DISCHARGE MONITORING REPORT (DMR) <br />PERMITTEE NAME/ADDRESS (/ncludeFadlityName/LocagonilDhrerent) <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 014A <br />PERMIT NUMBER DISCHARGE NUMBER <br />MONITORING PERIOD <br />MM/DD/YYYY MM/DD/YYYY <br />FROM 10101/2009 TO 10/31/2009 <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 GUNNISON R <br />External Outfall <br />No Discharge <br /> <br /> <br /> <br />ARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION <br />NO. <br />( EX <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 <br />Effluent Gross PERMIT <br />REQUIREMENT 6.5 <br />MINIMUM •"'~ 9 <br />MAXIMUM SU <br />Monthly <br />INSITU <br />Solids <br />total suspended SAMPLE <br />, MEASUREMENT <br /> <br />00530 1 0 <br />Effluent Gross <br />PERMIT <br />REQUIREMENT ..~., ...... .»». «.,.. <br />30DA 35 <br />AVG <br />70 <br />DAILY MX <br />mgt <br />Monthly <br />GRAB <br />Solids <br />settleable SAMPLE <br />, MEASUREMENT <br />00545 1 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 />0104510 PERMIT <br />0A AV <br />M <br />U <br />Effluent Gross REQUIREMENT 30 <br />G X <br />DAILY Monthly GRAB <br />Oil and grease SAMPLE <br /> MEASUREMENT <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 />50050 1 0 PERMIT Req. Mon. Req. Mon. MgaUd "'•'• ••"`• ~•"• "`•~ <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 />Effluent Gross REQUIREMENT INST MAX Monthly VISUAL <br /> <br />ME/TITLE PRINCIPAL EXECUTIVE OFFICER <br />wcm o,in rd wthin a,)=modesigcumcmnedmwasxurc that d a l mth,tqeouahfi penonnr,,dp a dxlupperlwpeYgaty iiher woWand <br />enry ,cwtha syste <br />pervmon in xcoNence <br />TELEPHONE <br />DATE <br /> <br />t7 <br />3 evaluate the aafurtmtion submiucd. Based uo my inquiry of the person or persons wh, ge the <br />system. m those p- du ly n pomible f gathering the infmmatiun, abe infomutiun submitted u. <br />m du ben of m know/` <br />a and belief, tn¢, accurate, and ra lete. I em aware that aherc arc si fican <br />t <br />/. 9 )' <br />9ro 9z <br />SELL / r 9 <br />l ! ? <br />a <br /> <br />I? ( <br />eC <br />C4 <br />ae <br />p <br />for submm ng r inr rmni.n, including the pouibil ty fr , w impr;:onm.nt r r ,w n8 ( I 7 <br />I <br />, ?n?a SIGN RE OF PRINCIPAL EXECU E OFFICER OR <br />TYPED OR PRINTED AUTHORIZED AGENT AREA Code NUMBER MM/DD/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 I.A.1,PP 4-5, AND <br /> I.A.2, P. 5 <br />FOR RQMNTS.TDS MONITORING-SEE PART VI.X2.G OF RATIONALE. 30 DAY AVG. IS HIGHEST MONTHLY AVG. DURING PERIOD REPRTD. <br /> <br />EPA Form 3320.1 (Rev.01/06) Previous editions may be used. Page t