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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 GRK & ELK GRK 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 />000000132 015-A <br />PERMIT NUMBER DISCHARGE NUMBER <br />MONITORING PERIOD <br />MM/DD/YYYY MM/DD/YYYY <br />06/01/2015 06/30/2015 <br />Form Approved <br />OMB No. 2040-0004 <br />DMR Mailing ZIP CODE: 81424-0535 <br />MINOR <br />GUNIS <br />DISCHARGE TO ELK CREEK <br />External Outfall <br />No Discharge <br />NAMEITITLE PRINCIPAL EXECUTIVE OFFICER <br />I certify under penalty of law that this document and all attachments were prepared under my direction or <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 />to the best of my knowledge and belief true accurate, and complete I am aware that there are <br />sgomhcantpenalties for submitting false information including the possibility offine and imprisonment for <br />nowng violations <br />QUANTITY OR LOADING <br />QUALITY OR CONCENTRATION <br />NO. <br />FREQUENCY <br />SAMPLE <br />PARAMETER <br />SIGNATURE OFPRINCIPAL EXECUTIVEOFFICEROR <br />AUTHORIZED AGENT <br />EX <br />OF ANALYSIS <br />TYPE <br />VALUE <br />VALUE <br />UNITS <br />VALUE <br />VALUE <br />VALUE <br />UNITS <br />pHSAMPLE <br />._.... <br />...*«* <br />.*«.._ <br />...... <br />MEASUREMENT <br />004001 0 <br />Effluent Gross <br />PERMIT <br />REQUIREMENT <br />'**""` <br />'"*"* <br />**'"'" <br />6.5 <br />MINIMUM <br />'****" <br />9 <br />MAXIMUM <br />SU <br />Monthly <br />INSITU <br />Solids, total suspended <br />SAMPLE <br />MEASUREMENT <br />0053010 <br />Effluent Gross <br />PERMIT <br />REQUIREMENT <br />~.*`*' <br />****** <br />'**'** <br />**'**' <br />35 <br />30DA AVG <br />70 <br />MX 7D AV <br />mg/L <br />Monthly <br />GRAB <br />Iron, total [as Fe] <br />SAMPLE <br />MEASUREMENT <br />0104510 <br />Effluent Gross <br />PERMIT <br />REQUIREMENT <br />«'«*~~ <br />~***** <br />**'*" <br />*'~*" <br />3000 <br />30DA AVG <br />6000 <br />DAILY MX <br />ug/L <br />Monthly <br />GRAB <br />Oil and grease <br />SAMPLE <br />MEASUREMENT <br />0358210 <br />Effluent Gross <br />PERMIT <br />REQUIREMENT <br />'*'*** <br />*«~**~ <br />~**~** <br />«**'~* <br />*_*'** <br />10 <br />INST MAX <br />mg/L <br />Contingent <br />GRAB <br />Flow, in conduit or thru treatment plat <br />SAMPLE <br />MEASUREMENT <br />50050 1 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 />Solids, total dissolved <br />SAMPLE <br />MEASUREMENT <br />702951 0 <br />Effluent Gross <br />PERMIT <br />REQUIREMENT <br />'****« <br />****'* <br />**'~* <br />`****' <br />Req. Mon. <br />QRTR AVG <br />Req. Mon. <br />DAILY MX <br />mg/L <br />Quarterly <br />GRAB <br />Oil and grease visual <br />SAMPLE <br />MEASUREMENT <br />840661 0 <br />Effluent Gross <br />PERMIT <br />REQUIREMENT <br />****** <br />Req. Mon. <br />INST MAX <br />Y=1;N=0 <br />****** <br />"**** <br />**~*~* <br />'***** <br />Weekly <br />VISUAL <br />NAMEITITLE PRINCIPAL EXECUTIVE OFFICER <br />I certify under penalty of law that this document and all attachments were prepared under my direction or <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 />to the best of my knowledge and belief true accurate, and complete I am aware that there are <br />sgomhcantpenalties for submitting false information including the possibility offine and imprisonment for <br />nowng violations <br />f / <br />ti'7 r <br />"b d„� ! j I L <br />TELEPHONE <br />DATE <br />t,� ` �� <br />tt <br />r(C,(� 1� <br />TYPED OR PRINTED <br />�I zu_ <br />SIGNATURE OFPRINCIPAL EXECUTIVEOFFICEROR <br />AUTHORIZED AGENT <br />AREAL NUMBER <br />MMIDDIYYYY <br />k;UMMLN I5 ANU LAPLANATION OF ANY VIOLATIONS (Reference all attachments here) <br />30 DAY AVERAGE IS HIGHEST MONTHLY AVERAGE DURING PERIOD REPORTED. OIL & GREASE - SEE LBA .D. <br />EPA Form 3320-1 (Rev.01106) Previous editions may be used. 10/17/2013 Page 1 <br />