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N <br />NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) Form Approved <br />DISCHARGE MONITORING REPORT (DMR) OMB No. 2040-0004 <br />PERM ITTEE NAME/ADDRESS (Include FacilityName/Location if Different) <br />NAME: Oxbow Mining LLC <br />ADDRESS: PO Box 535 000000132 019-A DMR Mailing ZIP CODE: 81424-0535 <br />Somerset, CO 81424-0535 PERMIT NUMBER DISCHARGE NUMBER MINOR <br />FACILITY: SANBORN CRK & ELK CRK MINES GUNIS <br />LOCATION: 3737 HIGHWAY 133 MONITORING PERIOD SURFACE RUNOFF TO HUBBARD CRK <br />SOMERSET, CO 81434 MM/DD/YYYY MM/DD/YYYY External Outfall <br />ATTN.- James T. Cooper, EVP FROM 02/01/2010 TO 02/28/2010 No Discharge <br /> <br /> <br />PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. <br />EX FREQUENCY <br />OF ANALYSIS SAMPLE <br />T <br /> <br />VALUE <br />VALUE <br />UNITS <br />VALUE <br />VALUE <br />V YPE <br /> <br />pH <br />SAMPLE ALUE UNITS <br /> <br />0040010 MEASUREMENT " •« «"•` """ •» •• <br /> <br />Effl <br />t G PERMIT """ ••••" ••••*• <br />*•~? <br />uen <br />ross REQUIREMENT MINIMUM 9 SU <br /> <br />Solids, total suspended <br />SAMPLE MAXIMUM Monthly INSITU <br /> <br />005301 0 MEASUREMENT ...... "~" •""` •'•~• <br /> <br />Effl <br />t G PERMIT "•"' ,,,_„ •••»• •._ ,. <br />uen <br />ross REQUIREMENT 35 <br />30DA AVG 70 <br />L <br /> <br />Solids, settleable <br />SAMPLE MX 7D AV Monthly GRAB <br /> <br />0054510 MEASUREMENT •""• <br /> <br />Effl PERMIT <br />••_••• <br />••«?•• <br />•"••' <br />uent Gross REQUIREMENT Req. Mon. <br />30DA AVG Req. Mon. <br />D mUL <br /> <br />Iron, total (as Fe) <br />SAMPLE AILY MX Monthly GRAB <br /> <br />0104510 MEASUREMENT <br /> <br />Effl <br />t G PERMIT """ ••~•• •••»• ..,,,, <br />uen <br />ross REQUIREMENT 30DA AVG I <br />Y M u92 <br />Oil and grease SAMPLE DA <br />L <br />X Monthly GRAB <br /> <br />03582 1 0 MEASUREMENT •'_'•' •••••• <br /> <br />Effl <br />t G PERMIT ""•' ••••'* •••••• .«... ,•„ <br />uen <br />ross REQUIREMENT 10 mg/L <br /> <br />Flow, in conduit or thru treatment plant <br />SAMPLE INST MAX Contingent GRAB <br /> <br />500501 0 MEASUREMENT •,.,~ ,••,•• ,.., .«... <br /> <br />Effl <br />t G PERMIT Req. Mon. Req. Mon. MgaUd •»••• ••••.• <br />uen <br />ross REQUIREMENT 30DA AVG DAILY MX "••" ""_' <br /> <br />Oil and grease visual <br />SAMPLE Monthly INSTAN <br /> <br />84066 1 0 <br />Effluent G MEASUREMENT <br />PERMIT <br />"'•" <br />Req. Mon. <br />7=1;N=0 <br />•»•~ -••••- <br /> <br />~•••• ...,.. ,,,,•. <br />ross <br />REQUIREMENT <br />INST MAX »•••• ....,• <br /> <br />M <br /> onthly VISUAL <br />X AL EXECUTIVE OFFICER «,o, unacr pC0d1ry of uw roar th sdxumem am all attacbmenb wo eprcparcd ndw mydirc Bono <br />supervision in rdamz with a systcm designed to assure that <br />ualif <br />d <br />p <br /> <br /> <br />. q <br />ie <br />personnel <br />roperly gathc, and <br />valuam the in(ormmioo submiurJ. lased w my upuvy of the perwn or pc <br />system, thpcrslyponsible for gthethe h <br />of <br />rv TELEPHONE DATE <br />= <br />5 e <br />otion <br />bmined is. to the bew of my knowlMge nJ bhef, rue, accura?c and cumpletc. I am await that Jiere are significnm <br />el <br />- m (ur knowing <br />ovnons. <br />R PRINTED SIGNA E OF PRINCIPAL EXECU OFFICER OR <br />AUTHORIZE <br />COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) O AGENT AREA coda NUMBER MM/DD/YYYY <br />TSS & TOTAL IRON LIMITS WILL BE WAIVED, AND SETTLEABLE SOLIDS LMT APPLIED FOR <=10,24HR 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 FOR <br />RQMNTS.TDS MONITORING-SEE PART VI.A.2.G OF RATIONALE. 30 DAY AVG IS HIGHEST MONTHLY AVG DURING REPORTING PERIOD. <br />EPA Form 3320-1 (Rev.01106) Previous editions may be used. <br />Page i