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<br /> NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) F <br /> <br />DISCHARGE MONITORING REPORT (DMR) orm Approved <br />OMB No. 2040-0004 <br />PERMITTEENAME/ADDRESS (include FacilityName/LocationifDifferent) <br />NAME: Oxbow Mining LLC <br />ADDRESS: PO Box 535 000000132 013-A <br />1 <br />- DMR Mailing 21P CODE: 81424-0535 <br />Somerset, CO 81434-0535 1 <br />PERMIT NUMBER DISCHARGE NUMBER MINOR <br />FACILITY: SANBORN CRK 8t ELK CRK MINES GUNIS <br />LOCATION: 3737 HIGHWAY 133 MONITORING PERIOD RUNOFF TO N FORK GUNNISON R <br /> <br />SOMERSET, CO 81434 <br />MM/DD/YYYY MM/DD/YYYY <br />External Outfall . <br />ATTN: James T. Cooper, EVP FROM 05101/2011 TO 05/31/2011 No Discharge <br />PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE <br /> EX OF ANALYSIS TYPE <br /> <br />pH VALUE VALUE UNITS VALUE VALUE VALUE UNITS <br /> SAMPLE <br /> MEASUREMENT •-»» <br />0040010 <br />Effluent Gross PERMIT <br />5 <br />•• 6 <br /> <br />Solids <br />total suspended REQUIREMENT . <br />MINIMUM 9 MAXIMUM SU Monthly INSITU <br />, SAMPLE <br />~•'• <br /> MEASUREMENT """ """ '~~• <br />0053010 <br />Effluent Gross PERMIT """ ~•• <br />•~••• e.,.., <br /> <br /> <br />Solids <br />settleable REQUIREMENT 30DA AVG DAILY 70 <br />MX <br />m9/L <br />Monthly GRAB <br />, SAMPLE <br />"'~' <br /> MEASUREMENT """ """ •~~• <br />0054510 <br />Effluent Gross PERMIT <br />REQUIREMENT <br />Re Mon. <br />D <br /> <br />? yI <br /> <br />mL/L <br /> <br />Iron, total as Fe) <br />SAMPLE 30 <br />A AVG <br />? MX Monthly GRAB <br /> MEASUREMENT » """ "'~• <br />• - - <br />01045 1 0 <br />Effluent Gross PERMIT <br />REQUIREMENT """ <br />*~»• ,» 3000 6000 ug/L <br /> <br />Oil and grease <br />SAMPLE 30DA AVG <br /> <br />••~ DAILY MX Monthly <br />GRAB <br /> MEASUREMENT """ """ `~~• »•»- <br />0358210 <br />Effluent Gross PERMIT „"" `•~~ •»•» »•.» <br />~*•~ <br /> REQUIREMENT 10 mg/L <br /> <br />Flow, in conduit or thru treatment plant <br />SAMPLE INST MAX Contingent GRAB <br /> MEASUREMENT •~~• •,~„ ...... <br />50050 1 0 <br />Effluent Gross PERMIT Req. Mon. Req. Mon. MgaUd <br /> REQUIREMENT 30DA AVG DAILY Mx <br /> <br />Oil and grease visual <br />SAMPLE <br /> <br />» Monthly INSTAN <br /> MEASUREMENT '~'~ •»»• »,.» <br />•~ <br />8406610 <br />Effluent Gross PERMIT R Mon. Y=1;N=0 <br />•~,~ ???»' <br />S <br />""" ••• <br /> REQUIREMENT I <br />MAX """ <br /> Monthly VISUAL <br />"W111LEFRINCIP LEXECUTIVEOFFICER 'o-ry " 'Pooslyofl-llon'hisd and W1?h-,Rprgnsmdm,drrmydirrianor <br />sM"osson'=rdsnmwiLh3s)v?dcsiP?dm,?-d tq?„lirwp?,o.?W?roprrir pffiK and DATE <br />evaluate the infurnution submitted. 8-d on my inquiry of the person or persons manage th TELEPHONE <br />e • sysam,or those persons du-* responsible f pd1e^ng the fnf time submitted isst of m>. edge end belief. thm there me ignifiwm I ?1O ?? peoa^ f sobfalinfurmmiu including the possibility <br /> off d imprisnoment f r km wing // TYPED OR PRINTED F PRINCIPAL OFF ER OR <br />AUTHORIZEDAGEN AREA Cod. NUMBER MM1OD/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 >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 Form 3320-1 (Rev.01106) Previous editions may be used. <br />Page 1