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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: SANBORN CRK & ELK CRK MINES <br />LOCATION: 3737 HIGHWAY 133 <br />SOMERSET, CO 81434 <br />ATTN: Mike Ludlow Exec VP <br />NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) <br />DISCHARGE MONITORING REPORT (DMR) <br />C00000132 007-A <br />PERMIT NUMBER DISCHARGIENUMBER <br />MONITORING PERIOD <br />MM/DDffYYY MM/DDIYYYY <br />10/01/2015 11 10/31/2015 <br />Form Approved <br />OMB No. 2040-0004 <br />DMR Mailing ZIP CODE: 81424-0535 <br />MINOR <br />GUNIS <br />SEDIMENT POND TO HUBBARD CREEK <br />External Outfall <br />No Discharge <br />NAME/TITLE PRINCIPAL EXECUTIVE OFFICER <br />1 certify under penalty of law that this document and all attachments were prepared under my direction or <br />QUANTITY OR LOADING <br />QUALITY OR CONCENTRATION <br />NO. <br />FREQUENCY <br />SAMPLE <br />PARAMETER <br />EX <br />OF ANALYSIS <br />TYPE <br />VALUE <br />VALUE <br />UNITS <br />VALUE <br />VALUE <br />VALUE <br />UNITS <br />pH <br />SAMPLE <br />*..... <br />*..... <br />.**... <br />AREA Code I NUMBER <br />*..*. <br />MEASUREMENT <br />0040010 <br />PERMIT <br />****** <br />****** <br />**«*«« <br />6.5 <br />`««.«* <br />9 <br />SU <br />Monthly <br />INSITU <br />Effluent Gross <br />REQUIREMENT <br />MINIMUM <br />MAXIMUM <br />Solids, total suspended <br />SAMPLE <br />MEASUREMENT <br />0053010 <br />PERMIT <br />***'** <br />****'* <br />****** <br />****** <br />35 <br />70 <br />mg/L <br />Monthly <br />GRAB <br />Effluent Gross <br />REQUIREMENT <br />30DA AVG <br />DAILY MX <br />Solids, settleable <br />SAMPLE <br />MEASUREMENT <br />005451 0 <br />PERMIT <br />*****' <br />****** <br />****** <br />*****' <br />Req. Mon. <br />Req. Mon. <br />rnUL <br />Monthly <br />GRAB <br />Effluent Gross <br />REQUIREMENT <br />30DA AVG <br />DAILY MX <br />Iron, total [as Fe] <br />SAMPLE <br />MEASUREMENT <br />0104510 <br />PERMIT <br />***`** <br />***"« <br />*"*** <br />****** <br />3500 <br />7000 <br />ug/L <br />Monthly <br />GRAB <br />Effluent Gross <br />REQUIREMENT <br />30DA AVG <br />DAILY MX <br />Oil and grease <br />SAMPLE <br />MEASUREMENT <br />0358210 <br />PERMIT <br />**«*** <br />**«*** <br />****** <br />****** <br />*****' <br />10 <br />mg/L <br />Contingent <br />GRAB <br />Effluent Gross <br />REQUIREMENT <br />INST MAX <br />Flow, in conduit or thru treatment pla <br />it SAMPLE <br />****** <br />*****« <br />****** <br />****** <br />MEASUREMENT <br />500501 0 <br />Effluent Gross <br />PERMIT <br />REQUIREMENT <br />Req. Mon. <br />30DA AVG <br />Req. Mon. <br />DAILY MX <br />MGD <br />«***** <br />**«*** <br />****** <br />«****' <br />Monthly <br />INSTAN <br />Oil and grease visual <br />SAMPLE <br />MEASUREMENT <br />840661 0 <br />PERMIT <br />***`** <br />Req. Mon. <br />Y=1;N=0 <br />«`**** <br />'***** <br />*`**** <br />***«** <br />Monthly <br />VISUAL <br />Effluent Gross <br />REQUIREMENT <br />INST MAX <br />NAME/TITLE PRINCIPAL EXECUTIVE OFFICER <br />1 certify under penalty of law that this document and all attachments were prepared under my direction or <br />TELEPHONE <br />DATE <br />supervision in accordance with a system designed to assure that qualified personnel properly gather and <br />valuate the information submitted Based on my inquiry of the person or persons who manage the <br />system a those persons directly responsible for gathering the information, the information submitted is <br />` n <br />W t� V I fj' ` ��� �[,' L.• <br />Li C G(ti <br />to the best of my knowledge and belief true, accurate, and complete 1 am aware that there are <br />significant penalties for submitting false information including the possibility ffine and imprisonment for <br />"owing violations <br />SIGNATURE OF PRt4CIPAL EXECUTIVE OFFICER OR <br />AUTHORIZED AGENT <br />TYPED OR PRINTED <br />AREA Code I NUMBER <br />MMIDDIYYYY <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 <br />EVENT -SEE I.A.1,PP 4-5, AND I.A.2, P. 5 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. 10/17/2013 Page 1 <br />