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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) Form Approved <br />DISCHARGE MONITORING REPORT (DMR) OMB No. 204"004 <br />PERM ITTEE NAME/ADDRESS (Include Facility Name/Location if Different) <br />NAME: Oxbow Mining LLC 000000132 012-A DMR Mailing ZIP CODE: 81424-0535 <br />ADDRESS: PO Box 535 PERMIT NUMBER DISCHARGE NUMBER MINOR <br />Somerset, CO 81424-0535 [_] <br />FACILITY: SANBORN CRK & ELK CRK MINES GUNIS <br />LOCATION: 3737 HIGHWAY 133 MONITORING PERIOD SEDIMENT POND TO ELK CREEK <br />SOMERSET, CO 81434 MM/DD/YYYY MM/DD/YYYY External Outfall <br />ATTN: James T. Cooper, EVP FROM 12/01/2009 TO 12/31/2009 No Discharge <br /> <br />PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION NO' of SAM <br />PE E <br /> E ANALYS S P <br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS <br />pH SAMPLE <br /> MEASUREMENT <br />0040010 <br /> <br />Effluent Gross PERMIT <br />REQUIREMENT """ '•'•" •*"•• <br />MINIMUM <br />!?•••• <br />MAXIMUM <br />SU <br />Monthly <br />INSITU <br />Solids, total suspended SAMPLE <br /> MEASUREMENT ?•" "" ""' <br />0053010 <br /> <br />Effluent Gross PERMIT ``.... `•"•` .....• <br />•`•••• <br />35 <br />70 <br /> <br />mg/L <br /> REQUIREMENT 30DA <br />AVG DAILY MX Monthly GRAB <br />Solids, settleable SAMPLE <br /> MEASUREMENT <br />0054510 <br /> <br />Effluent Gross PERMIT <br />REQUIRE """ "" •"••• ...,.• <br />Req. Mon. <br />R. Mon. <br />A <br /> <br />mUL <br /> MENT 30 <br />DA AVG D <br />LY MX Monthly GRAB <br />Iron, total (as Fe) SAMPLE <br /> MEASUREMENT <br />0104510 <br /> <br />Effluent Gross PERMIT """ "`•'• '•••• •••••• <br />DA A <br />ug/L <br /> REQUIREMENT 30 <br />VG DAILY MX Monthly GRAB <br />Oil and grease SAMPLE <br /> MEASUREMENT <br />03582 """ ••`•" <br /> <br />Effluent uent Gross PERMIT <br /> <br />REQUIREMENT ••••• ...... ,..... <br />10 <br />mg/L <br /> <br />Flow, in conduit or thru treatment plant <br />SAMPLE INST MAX Contingent GRAB <br /> MEASUREMENT •.. ..,••• ..,,., •••••- <br />50050 1 0 <br /> <br />Effluent Gross PERMIT Req. Mon. Req. Mon. Mgal/d ••'•• ...... ...... ...... <br />•• <br /> REQUIREMENT 30DA AVG DAILY MX Monthly INSTAN <br />Solids, total dissolved SAMPLE <br /> MEASUREMENT <br />7029510 <br /> <br />Effluent Gross PERMIT <br /> <br />REQUIREMENT """ "'•" •••« •••••• <br />Req. Mon. <br />Req. Mon. <br />mg/L <br /> QRTR AVG DAILY MX Quarterly GRAB <br />N ME/TITLE PRINCIPAL EXECUTIVE OFFICER c`rttp ondcr ponalry of law that this document and all attachments w e prcpam undo my d rcetion or <br />suprnision in accordance wish a :vstnn designed w aawrc Wat qualified personnel properly gather and TELEPHONE DATE <br />evaluate hc tnfomration submI,. Hascd on my mquny or the pawn manage Wr <br />system. or Wuse persons directly rcsporuible for gathrnng We informatur ion, pthr;nersons f who urmanun submitted is. /;L, <br />" the besof bchcf, and complete. 1 am await that there adlm.& <br />0 <br />f L q _S J L z //? /D <br />p?rlatl;onsrorsu6miuingral ivfumat,m,; lad;ngmeps,nir?arfinea?;mp unmemrrmnwng SIGN UREOFPRINCIPALEXECU IVEOFFICEROR <br />TYPED OR PRINTED <br />AUTHORIZED AGENT AREA cod• NUMBER MWOD/yYYV <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 >10YR,24HR EVENT-SEE I.A.1,13P 4-5, <br /> AND 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 />EPA Form 3320-1 (Rev.01/06) Previous editions may be used. <br />Page 1