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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 81434-0535 <br />FACILITY: SAN13ORN 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 014-A <br />PERMIT NUMBER DISCHARGE NUMBER <br />MONITORING PERIOD <br />MM/DD/YYYY MM/DD/YYYY <br />FROM 02/01/2011 TO 02/28/2011 <br /> <br />PARAMETER QUAN TITY OR LOADING Q UALITY OR CONC ENTRATION NO. <br />EX FREQUENCY <br />OF ANALYSIS SAMPLE <br />TYPE <br /> VALUE VALUE UNITS VALUE VALUE VALU <br /> <br />pH <br />SAMPLE E UNITS <br /> <br />0040010 MEASUREMENT -••-•• <br /> <br />Effl PERMIT 6 <br />5 <br />•• <br />uent Gross <br /> <br />Solids, total suspended REQUIREMEN <br /> <br />SAMPLE T . <br />MINIMUM 9 <br />MAXIMUM SU <br />Monthly <br />INSITU <br /> <br />0053010 MEASUREMENT ?»-- • """ ""'• <br /> <br />Effl <br />G PERMIT ".•.' <br />.„ <br />•»„• <br />...... <br />uent <br />ross <br />Solids, settleable REQUIREMENT <br />SAMPLE 35 <br />AVG 70 <br />DAILY MX mg/L Monthly GRAB <br /> <br /> <br />0054510 <br />MEASUREMENT ••• <br />"• <br />'?" <br />""" <br />'•"'• <br /> <br />Effl PERMIT <br />»„„ <br />- <br />.„..• <br />uent Gross REQUIREMENT Req. Mon. <br />30DA AVG Req. Mon. <br />DAILY mL/L <br /> <br />Iron, total (as Fe) <br />SAMPLE MX Monthly GRAB <br /> <br />0104510 MEASUREMENT - •„ """ "" •' <br /> <br />Effl PERMIT " <br />....k <br />• <br />uent Gross <br />Oil and grease REQUIREMENT <br />SAMPLE 30DA AVG DAILY MX ug/L Monthly GRAB <br /> <br />0358210 MEASUREMENT •?» "»" """ •" •' --•„• <br /> <br />Effl <br />G PERMIT •""` ••"" <br />?•• <br />•»• <br />.....• <br />uent <br />ross REQUIREMENT 10 <br />INST mg/L <br /> <br />Flow, in conduit or thru treatment plant <br />SAMPLE MAX Contingent GRAB <br /> <br />50050 1 0 MEASUREMENT '•"•• -„•-• »,... „„„ <br /> <br />Effl PERMIT Req. Mon. Req. Mon. MgaUd <br />•„• <br />uent Gross REQUIREMENT 30DA AVG DAILY MX „•?' " "' <br /> <br />Oil and grease visual <br />SAMPLE Monthly INSTAN <br /> <br /> <br />84066 1 0 <br />MEASUREMENT »..» .»». <br />•-••» <br />..».. <br />.•.,„ <br /> <br />Effl PERMIT Req. Mon. Y=1;N=0 <br />„? <br />uent Gross REQUIREMENT INST MAX Monthl V <br /> y ISUAL <br />N ME/TITLEPRINCIPALEXECUTIVEOFFICER I -iftund°p` lry If 11Wth'tthis dKm'°m'ndvlamnmuas-p1g-d.d? ydir - <br />supavisian in -d- with a y.- desigmd m __ that qualified prrsonnd properly gather aM <br />cvah le the infumuuioo submitted. Based on my inquiryoftbe perms or Pcrmmwh- m ,c the TELEPHONE DATE <br />+ritcm, or those p m di <br />recNy responsiblc for gathfing the inf-i- the tot non mbmincd u. <br />?(???, V Ines tm sunmtninF fdse iNnfu emlu?ion m'clud-9 rLe ptseibillry of f .d -P--l f-1 k-ins 97p fZ ('j57l .0X1,0.411 <br />TYPED OR PRINTED o?n SEXECU VE OFFICER OR <br />AUTHORIZED AGENT Arwcad. NUMBER MMfppryyyY <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 LAA RP 4-5, AND <br /> 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 />ti <br />Form Approved <br />OMB No. 20404X)04 <br />DMR Mailing ZIP CODE: 81424-0535 <br />MINOR <br />GUNIS <br />SURF RUNOFF TO N FK GUNNISON R <br />External Outfall <br />No Dischar <br />EPA Form 3320-1 (11ev.01/06) Previous editions may be used. <br />Page i