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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) <br />DISCHARGE MONITORING REPORT (DMR) <br />PERMITTEE NAME/ADDRESS (IntodeFacitityName/LocationifDiKerent) <br />NAME: Oxbow Mining LLC <br />ADDRESS: PO Box 535 <br />Somerset, CO 81424-0535 <br />FACILITY: SANBORN CRK & ELK CRK MINES <br />LOCATION: 3737 HIGHWAY 133 <br />SOMERSET, CO 81434 <br />ATTN.- James T. Cooper, EVP <br />PARAMETER <br />pH SAMPLE <br />MEASUREMENT <br /> <br />004001 0 <br />Effluent Gross PERMIT <br />REQUIREMENT <br />Solids, total suspended SAMPLE <br />MEASUREMENT <br /> <br />005301 0 <br />Effluent Gross PERMIT <br />REQUIREMENT <br />Solids, settleable SAMPLE <br />MEASUREMENT <br /> <br />005451 0 <br />Effluent Gross PERMIT <br />REQUIREMENT <br />Iron, total (as Fe) SAMPLE <br />MEASUREMENT <br /> <br />010451 0 <br />Effluent Gross PERMIT <br />REQUIREMENT <br />Oil and grease SAMPLE <br />MEASUREMENT <br /> <br />03582 1 0 <br />Effluent Gross PERMIT <br />REQUIREMENT <br />Flow, in conduit or thru treatment plant SAMPLE <br />MEASUREMENT <br /> <br />50050 1 0 <br />Effluent Gross PERMIT <br />REQUIREMENT <br />Oil and grease visual SAMPLE <br />MEASUREMENT <br /> <br />840661 0 <br />Effluent Gross PERMIT <br />REQUIREMENT <br />000000132 009A <br />PERMIT NUMBER DISCHARGE NUMBER <br />Form Approved <br />OMB No. 2040-0004 <br />DMR Mailing ZIP CODE: 81424-0535 <br />MINOR <br />GUNIS <br />MONITORING PERIOD SURF RUNOFF TO N FK GUNIS RIVR <br />MM/DD/YYYY MM/DD/YYYY External Outfall <br />FROM 11/01/2009 TO 11/30/2009 No Discharge <br />QUANTITY OR LOADING QUALITY OR CONCENTRATION <br />VALUE VALUE UNITS VALUE VALUE VALUE <br />I I ' MINIMUM I I MAXIMUM <br /> 30DA AVG DAILY MX <br />...... «'«• """ <br /> ,«•" Req. Mon. <br />30DA AVG Req. Mon. <br />DAILY MX <br /> <br />•«••• ...... 3500 <br />30DA AVG 7000 <br />DAILY MX <br /> <br />.«..• ...«. ..«« ..«.• ...... 10 <br />INST MAX <br /> <br />a1. Mon. <br />DA AVG Req. Mon. <br />DAILY MX Mgal/d •'•••• •••••• .•.... <br /> <br />««•• Req. Mon. <br /> <br />INST MAX Y=1;N=0 •••«• .•.... <br />...... <br /> NO. <br />EX FREQUENCY <br />OF ANALYSIS SAMPLE <br />TYPE <br />UNITS <br /> <br /> <br />SU <br />Monthly <br />INSITU <br /> <br /> <br /> Monthly GRAB <br /> <br /> <br />mUL <br />Monthly <br />GRAB <br /> <br /> <br />ug/L <br />Monthly <br />GRAB <br /> <br /> <br />mg/L <br />Contingent <br />GRAB <br /> <br /> <br />««•• Monthly INSTAN <br /> <br /> <br />••• Monthly VISUAL <br />N MFJTITLEPRINCIPALEXECUTIVEOFFICER I-i6_dcrpenalrynf1aIh1Tthmdncumm?undellachmmts,mprcFnrcdundw vdimlinn.r DATE <br />evsnpc?,si n m aa«,wnee wpm ) em designed m assure that quained pcnonneupr-1y cmher and TELEPHONE -1- the. infm muion disuhmnted 11-d on my i <br />n nquiry ufthe a u penuns 'hs the , <br />rh <br />• /, syncm m se rectldbey resplioibk (or accura gathu,enng the information, the information submitttd is, <br />t) to the Fen o(my pcnonsknowlnlge aef. and complete. 1 am aware that Sere are significant O /O <br />f / S peais or -b-I ing Wl,, mfumu k , including the 1-ibday of f and impri <br />'at'- nine n f a know ng <br />TYPED OR PRINTED n SIGNA E OF PRINCIPAL EXECUTI OFFICER OR <br />AUTHORIZED AGENT AREACod• NUMBER MWDDrfYYY <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,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. IF HIGHEST MONTHLY AVG. DURING PERIOD REPRTD. <br />.EPA Form 3320-1 (Rev.01106) Previous editions may be used. <br />Page 1