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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) <br />DISCHARGE MONITORING REPORT (DMR) <br />PERMITTEE NAME/ADDRESS (Include Facility Name/Location it 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 017-q <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 />Forth Approved <br />OMB No. 2040-0004 <br />DMR Mailing ZIP CODE: 81424-0535 <br />MINOR <br />GUNIS <br />SURF RUNOFF TO N. FK GUNIS RIV <br />External Outfali <br />I' <br />No Discharge X] <br /> <br />PARAMETER QUAN TITY OR LOADING Q UALITY OR CON CENTRATION NO. <br />EX FREQUENCY <br />OF ANALYSIS SAMPLE <br />TYP <br /> <br />VALUE <br />VALUE <br />UNITS <br />VALUE <br />VALUE E <br /> <br />pH <br />SAMPLE VALUE UNITS <br /> <br />0040010 MEASUREMENT ••» •`»» """ -»-~ <br /> <br />Effl <br />t G PERMIT <br />? •• <br />•• <br />6 <br />uen <br />ross <br />Solids, total suspended REQUIREMENT <br /> <br />SAMPLE <br />MINIM MUM g <br />MAXIMUM SU <br />Monthly <br />INSITU <br /> <br />0053010 MEASUREMENT ~•• »»•' """ ••~~ <br /> <br />Effluent G PERMIT •""' <br />••*•~ <br />*e•~' <br />».••• <br />ross <br /> <br />Solids, settleable REQUIREMENT <br /> <br />SAMPLE 30DA 35 <br />AVG 70 <br />DAILY MX <br />mg/L <br />Monthly <br />GRAB <br /> <br />0054510 MEASUREMENT ~..•. »"`• "•~• •~•~ <br /> <br />Efflu <br />t G PERMIT <br />~ <br />~•?• <br />••»» <br />en <br />ross <br />Iron, total (as Fe) REQUIREMENT <br /> <br />SAMPLE Req. Mon. <br />30DA AVG Req. Mon. <br />DAILY MX mL/L <br />Monthly <br />GRAB <br /> <br /> <br />0104510 <br />MEASUREMENT ...... <br />»»'• <br />"" <br />•~~• <br /> <br />Effluent G PERMIT '" •` <br />?~ <br />...~• <br />?•»» <br />ross <br /> <br />Oil and grease REQUIREMENT <br /> <br />SAMPLE 3000 <br />30DA AVG 8000 <br />DAILY MX uglL <br />Monthly <br />GRAB <br /> <br />0358210 MEASUREMENT •?" »»~ '•'•" •~~• ~-»- <br /> <br />Effluent G PERMIT <br />•f~•, <br />•~•?• <br />•~•~ <br />• <br />ross REQUIREMENT 10 mg/L <br /> <br />Flow, in conduit or thru treatment plant <br />SAMPLE INST MAX Contingent GRAB <br /> <br />500501 0 MEASUREMENT •~~• ••--- . ,•.. <br />•»••• <br />Efflue <br />t G PERMIT Req. Mon. Req. Mon. Mgal/d <br />n <br />ross REQUIREMENT 30DA AVG DAILY MX <br /> <br />Oil and grease visual <br />SAMPLE Monthly INSTAN <br /> <br />84066 1 0 MEASUREMENT ???• '~~• »--~ .»... <br />•»? <br />Effl <br />e <br />t G PERMIT Req. Mon. Y=1;N=0 <br />u <br />n <br />ross REQUIREMENT INST MAX <br /> Monthly VISUAL <br />cr 111 Le rnlnt,IVAL tR CUTIVE OFFICER "---y""°"°`_d nrwma, mi:fnew,oa.u,menm I'm Rep-d m? my d;rc<ua„m <br />%j (A sv??m?i?a« a,nee „ma>y-dmigned m,: s,,em„gmnfiedp mm.lproWlY e and ?r TELEPHONE <br />evalmse she 1-f--1-- -bmmed 8-d on my *." of she P- or Persons whu mathe <br />f DATE <br />syssem , or d P-- dimzly nge B, Posuiblc f- Id-ing she mf-umv sbe infi- mbmim d iz 'A' ' I I 'R • ' ?/ <br />m me bca of my 4m-ledge and bchcf, ssve, accmwe, and wmmpplese. 1 mn arare shm shcse ue ajgnjfisL 9 • g ZQ-S2z <br />e c. a pcnalucs fm wb-ling false mfomvsion, including she p-bilay of f- ad imprivmmem for king d <br />Z' Z T !? <br />TYPED O PRINTED aoamm?. SIGNA E OF PRINCIPAL EXECU OFFICER OR <br />AUTHORIZED AGENT ?RFacoa NUMBER MWOO/YYYY <br />COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) <br />'SS & TOTAL IRON LIMITS WILL BE WAIVED, AND SETTLEABLE SOLIDS LMT APPLIES FOR -10YR,24HR PRECIP EVENT;SETTLEABLE SOLIDS LIMIT MAY BE WAIVED FOR >10YR,24HR EVERT-SEE IA.1,PP 4-5, AND <br /> I.A.2., P 5 <br />FOR RQMNTS. TDS MONITORING - SEE PART VIA.2.G OF RATIONALE. 30 DAY AVG IS HIGHEST MONTHLY AVG. DURING PERIOD RPTD <br />EPA Form 3320.1 (Rev.01/06) Previous editions may be used. <br />Page 1