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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) Form Approved <br />DISCHARGE MONITORING REPORT (DMR) OMB No. 2040-0004 <br />PERMITTEE NAME/ADDRESS (Include Facility Name/Location if Different) <br />NAME: Oxbow Mining LLC <br />000000132 009-A DMR Mailing ZIP CODE: 81424-0535 <br />ADDRESS: PO Box 535 <br />PERMIT NUMBER DISCHARGE NUMBER MINOR <br />Somerset, CO 81434-0535 <br />FACILITY: SANBORN CRK & ELK CRK MINES GUNIS <br />LOCATION: MONITORING PERIOD SURF RUNOFF TO N FK GUNIS RIVR <br />3737 HIGHWAY 133 <br />MM/DD/YYYY MM/DD/YYYY External Outfall <br />SOMERSET, CO 81434 <br />FROM 01/01/2011 TO 01/31/2011 No Discharge <br />ATTN: James T. Cooper, EVP <br /> <br />PARAMETER QUAN TITY OR LOADING Q UALITY OR CONC ENTRATION NO. ppEQUENCY SAMPLE <br /> EX ANALYSIS TYPE <br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS <br />pH SAMPLE <br /> <br />MEASUREMENT •„•„ <br />""•• <br />0040010 <br /> PERMIT ».a.. <br />Effluent Gross REQUIREMENT MINIMUM MAXIMUM SU Monthly INSITU <br />Solids, total suspended SAMPLE <br /> <br />MEASUREMENT „••„ <br />0053010 <br /> PERMIT """ •' •~"'• <br />••*••• <br />35 <br />E <br />ffluent Gross <br />REQUIREMENT <br />30DA AVG 70 <br />DAILY MX <br />mg/L <br />Monthly <br />GRAB <br />Solids, settleable SAMPLE <br /> <br />MEASUREMENT •,„„ <br />""•' <br />""" <br />""" <br />00545 1 0 <br /> <br />Effluent Gross PERMIT <br />REQUIREMENT """ "~"' •""' <br />„ Req. Mon. Req. Mon. mUL <br /> 30DA AVG DAILY MX Monthly GRAB <br />Iron, total (as Fe) SAMPLE <br /> <br />MEASUREMENT ,„••• <br />0104510 <br /> <br />Effluent Gross PERMIT <br />...•„ 3500 7000 ug/L <br /> REQUIREMENT 30DA AVG DAILY MX Monthly GRAB <br />Oil and grease SAMPLE <br /> MEASUREMENT """ ""•' """ •••• <br />0358210 <br /> PERMIT """ •""• •~~•~• ••••*• •.~.•• <br />Effluent Gross <br />REQUIREMENT 10 <br />INST MAX mg/L <br />Contingent <br />GRAB <br />Flow, in conduit or thru treatment plant SAMPLE <br /> MEASUREMENT """ "•~•' ••••„ -•-•~• <br />500501 0 <br /> <br />Effluent Gross PERMIT Req. Mon. Req. Mon. MgaVd '•••'~ •••••~ <br /> REQUIREMENT 30DA AVG DAILY MX Monthly INSTAN <br />Oil and grease visual SAMPLE <br /> <br />MEASUREMENT <br />MEASUREMENT, ...„- <br />""'• <br />•••°• <br />•-„„ <br />8406610 0 <br /> PERMIT Req. Mon Y=1;N=0 •••••* <br />•~?- <br />Effluent Gross . <br />INST MA „ ...„• <br /> REQUIREMENT X Monthly VISUAL <br /> <br />mefTiTLE PR CIPAL XECUTIVE OFFICER '"""Y"n?"P`n'"y "'t"adusdo --ig-d danam?nmmn . p p„rd ndnmyd rianm <br />wperv,sinn in accordance arilhmincd. Baxd a ,}?at<m designed m aeaure d. qualtfiad IrenonrKl g.ther ana TELEPHONE DATE <br />evaluam the inf rmatfn zub tm my ntquvy ut the pmon or enon~ -ge the ?? <br />eYStcm. w rtwse petaom dirmly responsible for gathwing the in( non,pthe _ non mbmined u. <br />p the belt of my knowlWge and beef. mu•, auwate, and ewt,plete. 1 am awurc df there ere significant <br />a ' Cs nonsrw subm n ng Wm iuf-lim i d dmg the possrbt ity off a nd imprisonment !w kru "ing 2 <br />C' T (Q 9Q? 5i Z? dZo 3?/? <br />TYPED OR PRINTED SIGNAT E OF PRINCIPAL FXECUTPA OFFICER OR <br />AUTHORIZED AGENT 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 IA.1,PP 45, AND IA.2, <br /> P. 5 <br />FOR RQMNTS.TDS MONITORING-SEE PART VI.A.2.G OF RATIONALE. 30 DAY AVG. IF HIGHEST MONTHLY AVG. DURING PERIOD REPRTD. <br />EPA Form 3320-1 (Rev.01106) Previous editions may be used. <br />Page 1