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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) Form Approved <br /> DISCHARGE MONITORING REPORT (DMR) OMB No. 2040-0004 <br />PERMITTEE NAME/ADDRESS (include FacilityName/Location if Different) <br />NAME: Oxbow Mining LLC <br /> <br />ADDRESS: PO Box 535 000000132 019-A DMR Mailing ZIP CODE: 81424-0535 <br />Somerset, CO 81434-0535 PERMIT NUMBER DISCHARGE NUMBER MINOR <br />FACILITY: SANBORN CRK 8 ELK CRK MINES GUNIS <br />LOCATION: <br />3737 HIGHWAY 133 MONITORING PERIOD SURFACE RUNOFF TO HUBBARD CRK <br />SOMERSET <br />CO 81434 MM/DD/YYYY MM/DD/YYYY External Outfall <br />, <br />ATTN: James T. Cooper, EVP FROM 01/01/2011 TO 01/31/2011 No Discharge <br />PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION S <br />E <br />F A <br />EX <br /> TYPE <br />O <br />NALYSIS <br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS <br />pH SAMPLE <br /> MEASUREMENT <br />0040010 <br />Effluent Gross PERMIT <br />•»». <br />IM <br />»•»? <br />SO <br /> REQUIREMENT MIN <br />UM MAXIMUM Monthly INSITU <br />Solids, total suspended SAMPLE <br /> MEASUREMENT »»» "`•" """ <br />0053010 PERMIT <br />... <br />'•"" •"••• <br />Effluent Gross REQUIREMENT 30DA AVG MX 770 <br />D AV <br />mg/L <br />Monthly GRAB <br />Solids, settleable SAMPLE •,,, <br /> MEASUREMENT <br />0054510 PERMIT <br />•» » <br />"'•" "••" <br />Effluent Gross REQUIREMENT 30DA AVG DAIL YMX mUl Monthly GRAB <br />Iron, total (as Fe) SAMPLE <br /> MEASUREMENT »" "'•" •"•" <br />0104510 PERMIT •""' <br />»•»* .»..• <br />Effluent Gross REQUIREMENT 30DA AVG DAILYO MX ug2 Monthly GRAB <br />Oil and grease SAMPLE ,,,•» <br /> MEASUREMENT `""` """ •'•"' ••'»• <br />0358210 PERMIT """ `••`•' ••••*• •»••• ..»» <br />Effluent Gross REQUIREMENT 10 <br />mg/L <br /> <br />Flow, in conduit or thru treatment plant <br />SAMPLE INST MAX Contingent GRAB <br /> MEASUREMENT """ '•"'• ---••• ••»•• <br />50050 1 0 <br />Effluent Gross PERMIT <br />.,»•. ..».• <br />Req. Mona Req. Mon. MgaYd <br />30DAAVG <br />».,.. <br /> REQUIREMENT DAILY MX <br /> <br />Oil and grease visual <br />SAMPLE <br />, <br />»•'• Monthly INSTAN <br /> MEASUREMENT •' ••°•• ••--•- ».» <br />84066 1 0 <br />Effluent Gross PERMIT Req. Mon. Y=1;N=0 <br />•»*» »•••• <br />•».? <br />...... <br /> REQUIREMENT WSTMAX <br /> Monthly VISUAL <br />--y unmetpem try of law that this document and all amchn- ssxre pmparod undo m <br />OFFICER toll uionin,ccedancewitha d. it raheedmm mr <br />eratuaieWemfumammnsubmnneayR edon mmry. tl p, hfieapersunno mpetyganetam .? TELEPHONE DATE <br />ryAeni. or thox a ons dirtt? °ry 1Oqiry of the persua ur persons - ge the , <br />m the best of m tnowl W belief e. f pdaT ed d the infotrnanoo, dte mf nom sub Imri 9am t w <br />e? 51 , cKnawm lf a°bmming f lw iforrmiti n, =ludmg tit: wbility . 14° aware p hcrt a e xicrtowi t ?? 9z9 C'? 9 ?D ??i/ <br />• ,mumm?a. pm:atdr? °rcneam tmrtam?e° r immwmg SIGNA <br />TPP E OF PRINCIPAL EXECU OFFICER OR ` <br />TYPED OR PRINTED AUTHORIZED AGENT AREA coa. NUMBER MMIDOfYYYY <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 /> IA2, 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 />ii <br /> <br />EPA Form 3320.1 (Rev.01106) Previous editions may be used. <br />Page 1