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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) <br />DISCHARGE MONITORING REPORT (DMR) <br />PERMITTEE NAME/ADDRESS (Include FaciliryName/LocatiOnifDifferent) <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 />PARAMETER <br />pH SAMPLE <br />MEASUREMENT <br />00 <br />4001 0 <br />Effluent Gross PERMIT <br />REQUIREMENT <br />Solids, total suspended SAMPLE <br />MEASUREMENT <br />00 <br />5301 0 <br />Effluent Gross PERMIT <br />REQUIREMENT <br />Solids, settleable SAMPLE <br />MEASUREMENT <br />005 <br />451 0 <br />Effluent Gross PERMIT <br />REQUIREMENT <br />Iron, total (as Fe) SAMPLE <br />MEASUREMENTI <br /> <br />010451 0 <br />Effluent Gross PERMIT <br />REQUIREMENT <br />Oil and grease SAMPLE <br />MEASUREMENT <br /> <br />035821 0 <br />Effluent Gross PERMIT <br />REQUIREMENT <br />Flow, in conduit or thru treatment plant SAMPLE <br />MEASUREMENT <br /> <br />500501 0 <br />Effluent Gross PERMIT <br />REQUIREMENT <br />Oil and grease visual SAMPLE <br />MEASUREMENT <br /> <br />840661 0 <br />Effluent Gross PERMIT <br />REQUIREMENT <br />000000132 014A <br />PERMIT NUMBER DISCHARGE NUMBER <br />MONITORING PERIOD <br />MM/DD/YYYY MM/DD/YYYY <br />FROM 11/01/2009 TO 11/30/2009 <br />QUANTITY OR LOADING <br />VALUE VALUE <br />UNITS VALUE <br />6.5 <br />MINIMUM <br />QUALITY OR CON <br />VALUE <br />30DA AVG <br />;q. Mon. <br />DA AVG <br />Req. Mon. <br />DAILY MX <br />Req. Mon. <br />INST MAX <br />Mgal/d •'•"• <br />'=1;N=0 ...... <br />Req. Mon. <br />30DA AVG <br />3000 <br />30DA AVG <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 Discharge0 <br />CENTRATION NO. <br />EX FREQUENCY <br />OF ANALYSIS SAMPLE <br />TYPE <br />VALUE UNITS <br /> <br /> <br /> <br />9 <br />MAXIMUM SU <br />Monthly <br />INSITU <br /> <br /> <br /> <br />70 mg/L <br />DAILY MX Monthly GRAB <br /> <br /> <br />Req. Mon. <br />DAILY MX mUL <br />Monthly <br />GRAB <br /> <br /> <br />6000 <br />DAILY MX ug/L <br />Monthly <br />GRAB <br /> <br /> <br />10 <br />INST MAX mg/L <br />Contingent <br />GRAB <br /> <br /> <br /> • Monthly INSTAN <br /> <br /> <br /> Monthly VISUAL <br />N ME/TITLE PRINCIPA XECUTIVE OFFICER ICC- und-rpmahy -flaw that lhis d----!mand all anachmentsw rcpnpm d,nda ydi-i.n-r <br />-p b,I-n m. -raan« wim a r- a? rtr- Inn yu,hr"a p --1 p -p-dy gwhn-d TELEPHONE <br /><„I"m ar ign DATE <br />evaluate the m[-rmali-n soh-111 . B-d -n my mymy-f the F ,--r persons who mamgc the <br />I y,.n,. or th-x N1 -ns dined, ropmuible fm ga,henng the infumlariun, the infmmarion submirtea is. /- p <br />?.1//?n/_•V? m the ba, ui my knowledge and belief, mte, <br />i, accurm and complete. I am aw-re ,hal ,here ve significam ?r ?vI ??? ' ?I ?? / // v/O Q <br />r I. / pcnalnes lr suhmnling false ini-rmati -n, including I hr 1-1h,14 ff c and ti- <br />Imprisrmmem kn-wing 1 7 <br />°la"°"' <br />TYPED O PRINTED SIGNA RE OF PRINCIPAL EXECUT E OFFICER OR <br />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 MAYBE 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.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. <br />Page 1 <br />