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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM.(NPDES) <br />DISCHARGE MONITORING REPORT (DMR) <br />PERM ITTEE 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 />000000132 012-A <br />PERMIT NUMBER DISCHARGE NUMBER <br />MONITORING PERIOD <br />MM/DD/YYYY MM/DD/YYYY <br />FROM 10/01/2010 TO 101`31/2010 <br />Form Approved <br />OMB No. 2040-0004 <br />DMR Mailing ZIP CODE: 81424-0535 <br />MINOR <br />GUNIS <br />SEDIMENT POND TO ELK CREEK <br />External Outfall <br />ATTN: James T. Cooper, EVP <br />No Discharge <br /> <br />PARAMETER QUANTITY OR LOADING <br />QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE <br /> EX OF ANALYSIS TYPE <br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS <br />pH SAMPLE <br />MEASUREMENT <br />.», <br />„ <br />• „„ <br />?. Z <br />..,«• <br />?• yZ <br />S? <br />! G 1 <br />/dS/(61 <br />004001 0 PERMIT '„," „"" 6.5 ~•" 9 SU <br />Effluent Gross REQUIREMENT MINIMUM MAXIMUM Monthly INSITU <br />Solids, total suspended SAMPLE <br />MEASUREMENT <br />„ <br />.,.„, <br />"'„• <br />I <br />D <br />lb <br />6 <br />c <br />L <br /> C a ti <br />A <br />o <br />0053010 <br />Effluent Gross PERMIT "'»` """ " ••'~` 35 70 <br />WL <br /> REQUIREMENT 30DA AVG DAILY MX Monthly GRAB <br />Solids, settleable SAMPLE <br />MEASUREMENT <br />•..... <br /><0 <br />, <br /> . ? I n? I d 36 Cnato <br />00545 1 0 <br />Effluent Gross PERMIT """ """' •~"• Req. Mon. Req. Mon. m <br /> REQUIREMENT 30DA AVG DAILY MX Monthly GRAB <br />Iron, total (as Fe) SAMPLE .,..., <br /> <br /> <br />010 <br />51 MEASUREMENT <br /> <br />""" 3 Yo 3 yo AI// <br />0 <br />1 <br />Ga(? <br />4 <br />0 <br />Effluent Gross PERMIT """ '~"' '~~• 3000 6000 <br /> REQUIREMENT 30DA AVG DAILY MX Monthly GRAB <br />Oil and grease SAMPLE <br /> <br />0358210 MEASUREMENT <br />„"" <br />„"" <br />'«,w, <br /> PERMIT '~'~ ••"~ 10 m <br />Effluent Gross REQUIREMENT INST MAX Contingent GRAB <br />Flow, in conduit or thru treatment plant SAMPLE <br />MEASUREMENT <br />./q4 <br />?I <br />o <br />/4sf4 <br /> 30 &X <br />500501 0 PERMIT Req. Mon. Req. Mon. Mg d •~'~ '~»• »_••• »••» <br />Effluent Gross REQUIREMENT 30DAAVG DAILY MX Monthly INSTAN <br />Oil and grease visual SAMPLE <br /> <br />MEASUREMENT .«.„ <br />I) „„„ ..„ .•.. 0 <br />84066 1 0 <br /> PERMIT Req. Mon. Y=1;N=0 `~`~ ••»» «.». <br />Effluent Gross REQUIREMENT INST MAX Monthly VISUAL <br /> <br />NAMEITITLEPRINCIPALEXECUTIVEOFFICER `ert <br />1iFundrrpnalryoflawh thudmumrnlandalartachmenurcerepnj-dorder mydirttti or <br /> ?e sim inae,ad--1hd-gnmm,.aaa batqu hfi dp?soana ,q lygath. and <br />evaluate the if-j- .vbmmd. Ha. d un my "o, of the <br />_. or <br />erso <br />w6 <br />It TELEPHONE DATE <br /> N <br />p <br />ns <br />u mem6e <br />aY»em. or thine penem dircnly rcsporuibk for garn<rng the inthrmatiuv <br />the infertwtiw submirted <br /> , <br />to the bat olmy knowledge and b, 1-f. we. auurau, and complete. 1 am aware ft there are aignir t a 9 -? <br /> <br />C ` ' ?C S r <br />p' °laltionsC submitting false ivforrrwmn, including the prnzthdity of f e and imprisonment for ktawing e7 <br /> <br />TYPED OR PRINTED I NATURE OF PRINCIPAL EXECUTIVE OFFICER OR <br /> <br />r`AM MGNTC Awl r\ CY?I Aw1ATrlwt /la' wwtV aA?r w AUTHORIZED AGENT nRFA ?• NUMBER MWDD/YYYY <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 IA.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 />u•i pcev.uuuol rrevlous eanlons may be used. Page 1