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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) <br />DISCHARGE MONITORING REPORT (DMR) <br />PERMITTEE NAME/ADDRESS (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 014-A <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 />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 />PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. <br />EX FREQUENCY <br />of ANALYSIS SAMPLE <br />TYPE <br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS <br />pH SAMPLE „„.. ,,,,•• <br /> MEASUREMENT <br /> <br />0040010 <br />Effluent Gross PERMIT <br />REQUIREMENT 6.5 <br />MINIMUM •'•"' 9 <br />MAXIMUM SU <br />Monthly <br />INSITU <br />Solids, total suspended SAMPLE <br /> MEASUREMENT <br /> <br />0053010 <br />Effluent Gross PERMIT <br />REQUIREMENT •"`•` »"» "'»' '»"' 35 <br />30DA AVG 70 <br />DAILY MX mg/L <br />Monthly <br />GRAB <br />Solids, settleable SAMPLE .,,,,. <br /> MEASUREMENT <br />00545 1 0 <br />Effluent Gross PERMIT <br />REQUIREMENT """ '»"' '»"• Req. Mon. <br />30DA AVG Req. Mon_ <br />DAILY MX mL/L <br />Monthly <br />GRAB <br />Iron, total (as Fe) SAMPLE <br />•"'» <br />? <br /> MEASUREMENT " <br />" """ <br /> <br />0104510 <br />Effluent Gross PERMIT <br />REQUIREMENT """ »'"•' "'»• •»"` 3000 <br />30DA AVG 6000 <br />DAILY MX <br />D9/L <br />Monthly <br />GRAB <br />Oil and grease SAMPLE <br /> MEASUREMENT <br /> <br />03582 1 0 <br />Effluent Gross PERMIT <br />REQUIREMENT """ """ '»••• '»»• 10 <br />INST MAX mg/L <br />Contingent <br />GRAB <br />Flow, in conduit or thru treatment plant SAMPLE <br /> MEASUREMENT """ """ ""» »»» <br /> <br />50050 1 0 <br />Effluent Gross PERMIT <br />REQUIREMENT Req. Mon. <br />30DA AVG Req. Mon. <br />DAILY MX MgaUd '»"• •••'•• ••*•» «»•- <br />Monthly <br />1NSTAN <br />Oil and grease visual SAMPLE ,.,,.. <br /> MEASUREMENT ""? " `• "'»' '»"' <br /> <br />84066 1 0 <br />Effluent Gross PERMIT <br />REQUIREMENT Req. Mon. <br />INST MAX Y=1;N=0 ••'••` •••-» -»•-• »•••• <br />Monthly <br />VISUAL <br />N E/TITLE PRINCIPAL EXECUTIVE OFFICER <br /> <br /> <br />9 <br />I l nary--d-1-alrynfl-tMld.sd- -d.11. xhmm¢ne,epmpudundrmydirtctiono <br />stWemaon m accord-. with a system d-gned w assure that qualified personnel 1 her and <br />evahmte the infarnution submaW, Baud - my inquiry of ilia person w <br />mms who y <br />e?Ih <br />e TELEPHONE DATE <br />NJ <br />"V <br />C-4 <br /> <br />` p <br />g <br />sy- w thou persore di-ly mp,=ibk f gash mg the mf tiM the inf-fim submitted u. <br />m the b- of my knowledge and belief, true, accurate, ad-Plete. I •m aware thtu there are Mgt Fx;c <br />970 4 <br />Z q-51 z Z <br /> <br />t <br />- /O <br />2 <br />- <br />e!, <br />• p: <br />altirs [ submming Wse inform.tioq iixluding the possibihry uffinc atd imprisonment fur kmwing a3 <br /> <br />TYPED OR PRINTED l SIGNA E OF PRINCIPAL EXECU OFFICER OR <br /> <br />rnuueurc . AUTHORIZED AGENT AREA Coda NUMBER MWDDIYYYY <br />__. _ <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.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. Papa 1