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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) <br />DISCHARGE MONITORING REPORT (DMR) <br />FERMITTEE NAMC/ADDRESS (lnrludeFacilifyName/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 />000000132 015A <br />PERMIT NUMBER DISCHARGE NUMBER <br />MONITORING PERIOD <br />MM/DD/YYYY MM/DD/YYYY <br />FROM 08/01/2009 TO 08/31/2009 <br />Form Approved <br />OMB No. 2040-0004 <br />DMR Mailing ZIP CODE: 81424-0535 <br />MINOR <br />GUNIS <br />DISCHARGE TO ELK CREEK <br />External Outfall <br />AT TN: James T. Cooper, EVP <br />No Discharge <br /> QUANTITY OR LOADING QUALITY OR CONCENTRATION E <br /> <br />X <br />NO. <br />EX <br /> <br />FREQUENCY <br />OF ANALYSIS <br /> <br />SAMPLE <br />TYPE <br />PARAMETER <br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS <br />pH SAMPLE <br /> MEASUREMENT <br />004001 0 <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 />0053010 <br />Effluent Gross PERMIT <br />REQUIREMENT 35 <br />30DA AVG 70 <br />MX 713 Ay mg/L <br />Monthly <br />GRAB <br />Iron <br />total (as Fe) SAMPLE ««« .««. ._,«. <br />, MEASUREMENT <br />010451 0 PERMIT <br />. 3000 <br /> <br />30DA AVG 6000=-' <br /> <br />DAILY <br />MX ug[L <br />, <br />Monthly <br /> <br />GRAB <br />Effluent Gross REQUIREMENT . <br />Oil and grease SAMPLE <br /> MEASUREMENT <br />035821 0 <br /> <br />Effluent Gross PERMIT <br /> <br />REQUIREMENT ...,« ,,,,.. ,.. , ,... <br />10 <br />INST MAX„ <br />mglC - <br /> <br />Contingent <br /> <br />GRAB <br />Flow, in conduit or thru treatment plant SAMPLE <br />MEASUREMENT <br />500501 0 PERMIT Req Mon..-' <br />30DA AVG Req. Mon. <br />MX <br />DAIL--Y Mgal/d <br />Monthly <br />INSTAN <br />Effluent Gross REQUIREMENT , <br />Oil and grease visual SAMPLE <br /> MEASUREMENT <br />84066 1 0 PERMIT <br />I Req. Mon <br /> <br />INST MAX `X=1;N=0- *** * ** <br /> <br />Weekly <br /> <br />VISUAL <br />Effluent Gross <br />REQUIREMENT <br /> <br /> <br />NAMEITITIE PRINCIPAL EXECUTIVE OFFICER Ice iryunderpe-Ity fl that this documenta.dallamtehmen.u prepared male, ya n n.r <br /> <br /> <br />rope ,a, ;n ce?a o ystemaea;gneato,,. ematyvahreape IPr p lygalhe a <br />a „,? <br />r <br />? <br />TELEPHONE <br />DATE <br /> <br />-Imte the mfurmat b ned. B-d ov my inquiry of the persov pe ho g t6 ? <br />' "( 7? /• <br /> <br />? <br /> <br />r rynem, or thane pers.- dtrealy responsible for gathering the mfmmauon, the information submitted is. <br />the ben ormy knowledge and belief, true, accurate, and wmplere. I am - that there are significant j ?p y /f r ( J " ?a <br />C p <br />2 rsunmhti°grlaainrmeugindudingthepsibiliryoff<endimpsomnevtforkn.wng <br />ppn <br />l <br />1 e <br />nnr SIG UREOFPRINCIPALEXECUTIVEOFFICEROR <br />TYPED OR PRINTED AUTHORIZED AGENT AREA Code NUMBER MMIDD/YYYY <br />COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) <br />30 DAY AVERAGE IS HIGHEST MONTHLY AVERAGE DURING PERIOD REPORTED. OIL & GREASE - SEE 1.6.1.13. <br />EPA Form 3320-1 (Rev.01106) Previous editions may be used. Page 1