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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) <br />DISCHARGE MONITORING REPORT (DMR) <br />PERM ITTEE NAME/ADDRESS (include Facility Name/Location if Different) <br />NAME: Twentymile Coal Company <br />ADDRESS: 29515 Routt CR 27 <br /> Oak Creek, CO 80467 <br />FACILITY: MINES 1&2 AND ECKMAN PARK MINE <br />LOCATION: 29515 RCR #27 <br /> OAK CREEK, CO 80467 <br />000027154 003-Q <br />PERMIT NUMBER DISCHARGE NUMBER <br />MONITORING PERIOD <br />MM/DD/YYYY MM/DD/YYYY <br />FROM 01/01/2011 TO 03/31/2011 <br />Form Approved <br />OMB No. 2040-0004 <br />DMR Mailing ZIP CODE: 80467 <br />MAJOR <br />(SUBR JC) <br />Quarterly Monitoring for 003A <br />External Outfall <br />ATTN: JERRY NETTLETON, ENV SUPERVISR <br />No Discharge <br /> <br /> <br /> <br />ARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION E <br />NO. <br />X <br />EX <br /> <br />FREQUENCY <br />OF ANALYSIS <br /> <br />SAMPLE <br />TYPE <br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS <br />Conductivity SAMPLE ...... ...... ...... 7 ? <br />2Z 3f 0 <br />2 0 ? <br /> MEASUREMENT . - (Q QO <br /> <br />0 <br />000941 <br />PERMIT <br />Req. Mon. <br />Req. Mon. <br />umho/cm - <br />Effluent Gross REQUIREMENT QRTR AVG QRTR MAX Quarterly GRAB <br />Oil and grease SAMPLE ...... ,...«« <br />4 <br />4 <br /> MEASUREMENT A <br />- 4 <br />- <br />035821 0 PERMIT 10 - <br />mg/L <br />Effluent Gross REQUIREMENT INST MAX Contingent GRAB <br />Solids, total dissolved SAMPLE ...... <br />**«*** <br />.*,... <br />,,,.., <br />? l e <br />o <br />2CZQ <br />Z <br /> MEASUREMENT t d C4 C <br />702951 0 PERMIT ... .,.."` "**«" Req. Mon. Req. Mon. mg/L <br />Effluent Gross REQUIREMENT QRTR AVG QRTR MAX Quarterly CALCTD <br />Oil and grease visual SAMPLE ,.«„« „,„, .«,««« ...... ...... <br />t <br />'e <br /> MEASUREMENT 0 7 v IS V <br />c <br />840661 0 PERMIT Req. Mon. Y=1;N=0 '**'*' ****** '***'* ****** <br />Effluent Gross REQUIREMENT INST MAX Quarterly VISUAL <br /> <br />NAME/TITLE PRINCIPAL EXECUTIVE OFFICER I cenifyunderpenalry oflaw that this documrntand all attachments were prepstedundermydirmtion or <br />supervrsion in attordanee'ithasystem designed to assure that qualified pcrsonnelpmperly gather and TELEPHONE DATE <br />,??\/ J <br /> <br />/ <br />/ ' <br />? valuate the information submitted. Based on my inquiry of the person or persons who manage the <br />system, or rhos, persons directly responsible for gathering the information, the information submitted is, <br />to the best army knowledge and belief, true, acc,mt,, and complete. Ism, aware that there arc significant <br />/[ t" • <br />?? 70 -7 - <br />r7-1 C <br />C <br />Q <br />s0 r <br />1 <br />8 I (fin " <br />Y <br />1 CO penalties forsubmittingfalse information, ineludingthepossibility ffn,smdimprisonment farknowing SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR . <br />TYPED OR PRINTED AUTHORIZED AGENT <br />AREA Code <br />NUMBER <br />MMIDD/YYYY <br />COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) <br />EPA Form 3320-1 (Rev.01/06) Previous editions may be used. 03/31/2011 Page 1