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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 010-A <br />PERMIT NUMBER DISCHARGE NUMBER <br />MONITORING PERIOD <br />MMIDD/YYYY I IYYYY <br />10/01/2015 1 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 SANBORN CREEK <br />External Outfall <br />No Discharge <br />NAME/TITLE PRINCIPAL EXECUTIVE OFFICER <br />I 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 />ARFA Code 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 />.`~* <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 />mL/L <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 />****** <br />****** <br />'***~* <br />***•� <br />*'**** <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 plat <br />SAMPLE <br />MEASUREMENT <br />500501 0 <br />PERMIT <br />Req. Mon. <br />Req. Mon. <br />MGD <br />****** <br />*`**** <br />****" <br />**"`* <br />Monthly <br />INSTAN <br />Effluent Gross <br />REQUIREMENT <br />30DA AVG <br />DAILY MX <br />Oil and grease visual <br />SAMPLE <br />MEASUREMENT <br />840661 0 <br />PERMIT <br />`*`*~~ <br />Req. Mon. <br />Y=1;N=0 <br />onthly <br />VISUAL <br />Effluent Gross <br />REQUIREMENT <br />INST MAX <br />NAME/TITLE PRINCIPAL EXECUTIVE OFFICER <br />I 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 or those persons directly responsible for gathering the information, the information submitted is <br />,1 <br />,(,' J ' / / 7 / r 1 <br />C <br />to the best of my knowledge and belief true, accurate, and complete I am aware that there are <br />�7�%'%�� <br />i (Cxjj <br />sgnilcantpenatliesfor submitting false mformauonmcludingmepossibdrtyoifine and impnaonmenttor <br />nowtng violations <br />IGNATUREOFPRI IPALEXECUTIVEOFFICEROR <br />AUTHORIZED AGENT <br />TYPED OR PRINTED <br />ARFA Code NUMBER <br />I MWDDIYYYY <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 -1 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 3520-1 (Rev.01)06) Previous editions may be used. 10/17/2013 Page 1 <br />