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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) <br />DISCHARGE MONITORING REPORT (DMR) <br />PERMITTEE NAME/ADDRESS (Include Facility Name/Location if Different) <br />NAME: Oxbow Mining LLC <br />ADDRESS: PO Box 535 <br /> Somerset, CO 81424-0535 <br />FACILITY: SANBORN CRK & ELK CRK MINES <br />LOCATION: 3737 HIGHWAY 133 <br /> SOMERSET, CO 81434 <br />ATTN: James T. Cooper, EVP <br />000000132 015-A <br />PERMIT NUMBER DISCHARGE NUMBER <br />MONITORING PERIOD <br />MM/DD/YYYY MM/DD/YYYY <br />FROM 12/01/2009 TO 12/31/2009 <br />Form Approved <br />OMB No. 2040.OOD4 <br />DMR Mailing ZIP CODE: 81424-0535 <br />MINOR <br />GUNIS <br />DISCHARGE TO ELK CREEK <br />External Outfall <br />No Discharge© NCY PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION EO. FREQUEYS S SAMPLE <br /> <br /> X OF TYPE <br /> <br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS <br />pH SAMPLE <br /> MEASUREMENT <br />004001 0 <br /> <br />Effluent Gross PERMIT `•"" """ 6.5 9 SU <br /> REQUIREMENT MINIMUM MAXIMUM Monthly INSITU <br />Solids, total suspended SAMPLE <br /> <br />MEASUREMENT """ """ <br />0053010 <br /> <br />Effluent Gross PERMIT ".,,, ""•• ..•.,. •••••' 35 70 <br />mg/L <br /> REQUIREMENT 30DA AVG MX 7D AV Monthly GRAB <br />Iron, total (as Fe) SAMPLE <br /> <br />MEASUREMENT .,,.,. <br />0104510 <br /> <br /> <br />Effluent Gross PERMIT .""' ~"" •,...' <br />••••`• <br /> <br />DA A <br /> <br />ug/L <br /> REQUIREMENT 30 <br />VG DAILY MX Monthly GRAB <br />Oil and grease SAMPLE <br /> MEASUREMENT <br />0358210 <br /> PERMIT ..."' ""'• ~••" `•'•!• •••••- <br />E <br />ffluent Gross <br />REQUIREMENT 10 <br />INST MAX <br />mglL <br />Contingent <br />GRAB <br />Flow, in conduit or thru treatment plant SAMPLE <br /> MEASUREMENT """ ••"'• ~~' .•~•• <br />50050 <br />1 0 <br />Effluent Gross PERMIT <br />REQUIREMENT Req. Mon. <br />30DA AVG Req. Mon. <br />DAILY MX Mgal/d ••,,.• ...••. ,.,•~ ...... <br /> Monthly INSTAN <br />Solids, total dissolved SAMPLE <br /> <br /> <br />MEASUREMENT ,,,- <br />•""` <br />"•"' <br />""" <br />70295 1 0 <br /> <br />Effluent Gross PERMIT " ... ,."" •~~' <br />•~,,. Re q. Mon. R Mon. m /L <br />9 <br /> REQUIREMENT ORTR AVG DA LY MX Quarterly GRAB <br />Oil and grease visual SAMPLE <br /> <br />MEASUREMENT <br />I .,.,,, <br />""" <br />"'~' <br />~• <br />• <br />840661 0 <br />Effluent Gross PERMIT ...... Req. Mon. Y=1;N=0 •~•'• •••'•' •••*.. ..... <br /> REQUIREMENT INST MAX Weekly VISUAL <br />NAME TLEP NCIP LEXECUTIVEOFFICER <br />e <br />emn <br />nna.Yp<ralrynf <br />law <br />tlut <br />thixdocumentarWallatta<hmentsn'eteptapanafuMer ydittuonar <br /> <br />aupcrvkiun i.-a a with a system designed m assutt Chet qualified person I properly gather and <br />uate the i.nfformation <br />ev <br />al <br />wh <br />mi <br />ttd <br />. Baxd on my i y 'ry of th<person or person who mana <br />e the <br /> <br />` <br />TELEPHONE DATE <br /> <br /> <br />' / <br />• <br />g <br />systemor those perwd ctty rraputuible for gathering the information, the infortttatim submi"cd is. <br />to the bea of my knowledge and bchcf tme, ae'umu, and complete. I am aware that there ere si <br />nificant • <br />j <br /> <br />^ <br />N <br /> <br /> <br />t <br />C ` y <br />V <br /> <br />g <br />pawhies for suhnunmg faltt infurmaiun, including the I--hiloy of f c I'd impriwomem k r ksatwing ?? <br /> <br />I Y <br /> <br />' ^ <br />?? ??i f-'?? Q <br /> <br />TYPED OR PRINTED aolanons. SIGNA RE OF PRINCIPAL EXECUTIVE OFFICER OR <br /> AUTHORIZED AGENT AREA God. NUMBER MM/DD/YYYY <br />COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) <br />30 DAY AVERAGE IS HIGHEST MONTHLY AVERAGE DURING PERIOD REPORTED. OIL & GREASE - SEE 1.6.1.1) <br />EPA Form 3320.1 (Rev.01/06) Previous editions may be used, <br />Page 1