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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) Form Approved <br />DISCHARGE MONITORING REPORT (DMR) OMB No. 2040-0004 ° <br />PERMITTEE NAMEIADDRESS (/nc/udeFacil&yName2oca&onifDh7eient) <br />NAME: Oxbow Mining LLC <br />ADDRESS: PO Box 535 <br /> Somerset, CO 81424-0535 <br />FACILITY: SANBORN CRK 8t ELK CRK MINES <br />LOCATION: 3737 HIGHWAY 133 <br /> SOMERSET, CO 81434 <br />ATTN: James T. Cooper, EVP <br />I 000000132 010A <br />PERMIT NUMBER DISCHARGE NUMBER <br />MONITORING PERIOD <br />MM/DD/YYYY MM/DD/YYYY <br />FROM 07/01/2009 TO 07/31/2009 <br />DMR Mailing ZIP CODE: 81424-0535 <br />MINOR <br />GUNIS <br />SEDIMENT POND TO SANBORN CREEK <br />External Outfall <br />No Dlscharge= <br />IZU <br /> <br />QUANTITY OR LOADING <br />QUALITY OR CONCENTRATION NO. <br />EX <br />? <br />FREQUENCY <br />OF ANALYSIS <br />SAMPLE <br />'n(pE <br />PARAMETER <br /> <br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS <br /> SAMPLE <br />«..« <br />«,«. <br />•««, <br />•_•»• <br />pH MEASUREMENT <br />0040010 PERMIT « ...«. MINIMUM a...« MAXIMUM SU Monthly INSITU <br />Effluent Gross REQUIREMENT <br />Solids, total suspended SAMPLE <br />MEASUREMENT ...,.. «.». »»» •»»- <br />0053010 PERMIT "_•" """ """ 35 <br />3oDA AVG 70 <br />DAILY MX m9/L Monthly GRAB <br />Effluent Gross REQUIREMENT <br />Solids, settleable SAMPLE <br />MEASUREMENT ««« ....._ •»•» »-»- <br />00545 1 0 PERMIT Req. Mon. <br />30DA AVG Req. Mon, <br />DAILY Mx mUL Monthly GRAB <br />Effluent Gross REQUIREMENT <br />Iron, total (as Fe) SAMPLE <br />MEASUREMENT ««« •...« .«..• »-»- <br />0104510 PERMIT 3500 <br />30DA AVG 7000 <br />DAILY MX ug/L Monthly GRAB <br />Effluent Gross REQUIREMENT <br />Oil and grease SAMPLE <br />MEASUREMENT .«•,. »«» .»»• •»-.• -•-»- <br />0358210 PERMIT "•"' '."" 10 <br />INST MAX m91L <br />Contingent <br />GRAB <br />Effluent Gross REQUIREMENT <br />Flow, in conduit or thru treatment plant SAMPLE <br />MEASUREMENT •__•» ...... •--•» »-•-• <br />50050 1 0 PERMIT Req. Mon. <br />3oDA AvG Req. Mon. <br />DAILY Mx MgaUd Monthly INSTAN <br />Effluent Gross REQUIREMENT <br />Oil and grease visual SAMPLE <br />MEASUREMENT -•.». « •» •-•»• •»•» •••••• <br />840661 0 PERMIT Req. Mon. <br />INST MAX Y=1;N=0 '•"" """ " "' "`-" <br />Monthly <br />VISUAL <br />Effluent Gross REQUIREMENT <br /> <br />AME/TITLEPRI CIP EXECUTIVE OFFICER 1 certify mda penalty of lain this This d-- and all amahments were pr-Pa-d -tick my d -fi- or <br />,lyeah..W <br />urKa <br />.smK <br />o ^? V TELEPHONE DATE <br /> p <br />? <br />P <br />ev 1b the mforma ;on a tbmined. Barad =my inquvy of the person m pasooa mmn, the / . <br /> xystcm, or tho pcrsom =1 pma;bk fm pdwrmg the inf im the iofomtalim wbmined ix <br />1 am amarc that dxrc uc signifiumt <br />and mm <br />lne <br />„ <br />f <br />Im <br />wl <br />ef <br />trm <br />accmme <br />m <br />h <br />h <br />Q 9z - $! Z.z <br />o $ - d - 7 <br /> p <br />. <br />, <br />, <br />, <br />t <br />e <br />e <br />o <br />my <br />o <br />e <br />paWni. Cuaubmnmg faaenfoortiooncludmgheposshiryoffineadmpummem(orlorowng SIGN RE OF PRINCIPAL EXECUTIVE OFFICER OR <br />AREA cod. <br />NUMBER <br />MMIDDNYYY <br />TYPED OR PRINTED AUTHORIZED AGENT <br />COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reterence all attachments nere) <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 ROMNTS.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. Page 1