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PERMITTEE NAME/ADDRESS (Include Facility Name/Location if Different) <br />NAME: Oxbow Mining LLC <br />ADDRESS: PO Box 535 <br /> Somerset, CO 814340535 <br />FACILITY: SANBORN CRK & ELK CRK MINES <br />LOCATION: 3737 HIGHWAY 133 <br /> SOMERSET, CO 81434 <br />ATTN: James T. Cooper, EVP <br />NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) <br />DISCHARGE MONITORING REPORT (DMR) <br />000000132 012-A <br />PERMIT NUMBER DISCHARGE NUMBER <br />MONITORING PERIOD <br />MM/DD/YYYY MM/DD/YYYY <br />FROM 12/01/2010 TO 12/31/2010 <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 />No Discharge <br />PARAMETER QUAN TITY OR LOADING Q UALITY OR CONC ENTRATION NO. FREQUENCY SAMPLE <br /> EX ANALYSIS TYPE <br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS <br />pH SAMPLE <br /> <br />0040010 MEASUREMENT •.,,•• "»•• »»» '? . HV ».»• 7,82 Sit 0 f 3o ?n-srt4 <br /> <br />Effluent Gross PERMIT •'•"' '«•" 6.5 '•«« 9 SU <br /> REQUIREMENT MINIMUM MAXIMUM Monthly INSITU <br />Solids, total suspended SAMPLE <br /> <br />MEASUREMENT , _ <br /> <br />• <br /> <br />90 <br /> <br />U <br /> <br />' 3Q <br /> <br />{ <br />00530 1 0 <br />Effluent Gross PERMIT '«"' »"'. «`»• ».« <br />A A <br />70 <br /> <br />mgt j <br /> REQUIREMENT 30D <br />VG MX <br />DAILY Monthly GRAB <br />Solids, settleable SAMPLE <br /> <br />00 MEASUREMENT "»» •»»• »,»' 0.1 m I Ll l ho 11 /^_14\1D <br />545 1 0 <br />Effluent Gross PERMIT <br />REQUIREMENT "«'• »«•' •"«' •«'« Req. Mon. <br />30DA AVG Req. Mon, <br />DAILY MX m <br />Monthly <br />GRAB <br />Iron, total (as Fe) SAMPLE <br /> <br /> <br />0104510 <br />MEASUREMENT <br />,.«» <br />""" _ <br />»». <br />'• <br />?" <br />« <br />""`• <br />4200 <br />-2-0(D <br />*411 <br />O <br />30 <br />CnI, <br /> <br />Effluent Gross PERMIT <br />REQUIREMENT "" ••"'• 3000 <br />30DA AVG 6000 <br />DAILY MX <br />Monthly <br />GRAB <br />Oil and grease SAMPLE <br /> <br />03582 1 0 MEASUREMENT <br />(f j <br /> PERMIT """ """ '«"' •«•'• •••«• <br />Effluent Gross REQUIREMENT 10 <br />INST MAX Contingent GRAB <br />Flow, in conduit or thru treatment plant SAMPLE <br /> <br />MEASUREMENT jJ <br /> <br />• I4? <br /> <br />y .n <br /> <br />>Q <br />A <br /> <br />•«,» <br /> <br />«•»• <br /> <br />»»» <br /> <br />,»•» <br /> <br />500 • r d <br />3? <br />50 1 0 <br />Effluent Gross PERMIT <br />REQUIREMENT Req. Mon. <br />30DA AVG Req. Mon. <br />DAILY MX gad ««*• •••»• .„». ««., <br /> Monthly INSTAN <br />Solids, total dissolved SAMPLE <br /> <br />70295 MEASUREMENT I b D ' <br />?? <br />10 <br />Effluent Gross PERMIT <br />REQUIREMENT ••••-• ...... .»... .,,,,. Req. Mon. <br />QRTR AVG Req. Mon_ <br />DAILY MX <br />Quarterly <br />GRAB <br />TLEPR CIP EXECUTIVE OFFICER ...... VCf?1ryOiuw-1--u-md41-hmen -pnp-d..dermydirectionar <br />su,- m _danee with a sys <br />tem designed w assure that qualified personnel properly gater <br />h.1d TELEPHONE DATE <br />7?- -? evahsae the infomuciaa <br />e <br />y d. ased oa my uquiry of the peswa ar persons who awuge the ?• <br /> d-l <br />eshe b or chose peasant diremly selicf. k f gadrcnng the i°lete I q she mf non submiaed is. <br />the nr of my kmwlcd a and belief wc, acctuate, and complete. I am aware then d "" signifieem <br />? <br />aim& <br />- ?/ <br />y <br />? <br />s paW ties for mb-i.g false f.-,m, including she posaibili y of f and impnsomxm fw Imowing ' <br />` <br /> <br />TYPED OR PRINTED SIGNA E OF PRINCIPAL EXECU OFFICER OR <br /> AUTHORIZED AGENT AREA Cea NUMBER MMIDD/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 MAY BE WAIVED FOR 1-10YR,24HR EVENT-SEE IA.1,PP 4-5, AND <br /> IA.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 Forth 3320.1 (Rev.01106) Previous editions may be used. <br />Page 1