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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 />I 000027154 007-A <br />PERMIT NUMBER DISCHARGE NUMBER <br />MONITORING PERIOD <br />MM/DD/YYYY MM/DD/YYYY <br />FROM 04/01/2011 TO 04/30/2011 <br />Form Approved <br />OMB No. 2040-0004 <br />DMR Mailing ZIP CODE: 80467 <br />MAJOR <br />(SUBR JC) ROUTT <br />MINE 1, POND F TO FOIDEL CREEK <br />External Outfall <br />ATTN: JERRY NETTLETON, ENV SUPERVISR <br />No Discharge D <br />PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION <br />NO. X <br />E <br />E <br />OF FREQUENCY <br />SAMPLE <br />TYPE <br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS <br />PH SAMPLE <br />MEASUREMENT ...... ...... <br />"'««` <br />7 a:? <br />.««.«« <br /> <br />004001 0 <br />Effluent Gross PERMIT <br />REQUIREMENT 6.5 <br />MINIMUM *`***« 9 <br />MAXIMUM SU <br />Twice Per. <br />Month <br />GRAB <br />Solids, total suspended SAMPLE ...... ..,... ...... .. „ <br />=« <br /> MEASUREMENT (t?. 257 l U <br />005301 0 PERMIT 35 70 mg/L <br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly GRAB <br />Solids, total suspended SAMPLE ...... ....«. ...«.. ...... , /? `? <br /> MEASUREMENT ?U ? N <br />00530 O 0 PERMIT Req. Mon. Req. Mon. mg/L <br />See Comments REQUIREMENT 30DA AVG DAILY MX Monthly GRAB <br />Iron, total recoverable SAMPLE <br />•,,••• <br />,• <br />• <br /> MEASUREMENT • <br />•• •••,•• •••••, S( t? ?? 6 /'R jJ <br />009801 0 PERMIT 1000 Req. Mon. ug/L <br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly GRAB <br />Flow, in conduit or thru treatment plant SAMPLE <br />MEASUREMENT <br />L 092 <br />0 , l? <br />?G ...«.. «...., <br />...«.. <br />...... <br />Q <br />ovee(Y <br />! ?s 4-,./1 <br />500501 0 PERMIT 2.97 Req. Mon. Mgal/d •'«*** ••_••• .«».«. «.«... <br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX ?+ <br />U <br /> v <br />C•c.(?-E r. <br />NAME/TITLE PRINCIPAL EXECUTIVE OFFICER l supeenifynnae penaly oflaw ha this document and all attachments wem prepared under my dlrectio r <br />ervuion in accordace with a s stem desi d m usu <br />that peaorne1 properly gather and <br />l <br />h <br />i <br />f <br />d <br />b <br />i <br />d <br />h <br />d <br />i <br /> <br />TELEPHONE <br /> <br />DATE <br /> o <br />eva <br />uate t <br />e <br />n <br />orma <br />on su <br />tte <br />ue <br />m <br />. <br />on my <br />nquiry fthe person or persons who manage the <br />is <br />system, or those persons directly resporeible for gathering the infoma <br />the <br />sub <br />infonnation ar <br />I `" <br /> <br />?! <br />-r-?J <br />, C <br />?eQ v <br />U , <br />! <br />m <br />that there <br />to the best of <br />and belief, true, actuate, and complttc.l am aware that there <br />I <br />ere are significant <br />t <br />- - <br />7? 7? "L? ("rte <br />! ( -? 4J <br />'1f ?./ ( / 6 C- <br />-7 /7 <br />4- <br />? <br />^ <br />d n <br />l I t tf - <br />N f <br />n <br />ub <br />bmitting false falle <br />penalties for su <br />information, including the possibilityof fine and imprisonmrnt for meowing ill <br /> vtniannw. SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR <br />TYPED OR PRINTED AUTHORIZED AGENT AREA Coda NUMBER MMIDD/YYYY <br />cvmmtrv l a ranv onrr ruvr?r wt? yr rate t vivo t tvtva pceterence all atcacnmencs neret <br />ALTERNATE LIMITS FOR TSS & IRON (MLOC=O) APPLY IF 10YR,24HR PRECIP. EVENT CLAIMED. ALTERNATE LIMITS FORSETTLEABLE SOLIDS (MLOC=O) APPLY ONLY IF >10YR,24HR PRECIP EVENT CLAIMED. OIL & <br /> GREASE - <br />SEE I.C.19,PAGE 16. <br />EPA Form 3320.1 (kov.01/06) Previous editions may be used. 03/31/2011 Page 1