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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 18,2 AND ECKMAN PARK MINE <br />LOCATION: 29515 RCR #27 <br />OAK CREEK, CO 80467 <br />ATTN: JERRY NETTLETON, ENV SUPERVISR <br />I 000027154 002-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 />(SUER JC) ROUTT <br />MINE 1, POND T TO FOIDEL CREEK <br />External Outfall <br />No DischargeD <br /> <br />PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. <br />EX FREQUENdY <br />OF ANALYSIS SAMPLE <br />TYPE <br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS <br />pH SAMPLE <br />MEASUREMENT «*,,,, <br />«,.«. <br />'.«*", <br />e <br />0 <br />""«« <br />? ? 4 <br />?7 <br />rQ U <br /> / <br />0040010 PERMIT ««,,«" 6.5 '****• 9 SU <br />Effluent Gross REQUIREMENT MINIMUM MAXIMUM Weekly, GRAB <br />Solids, total suspended SAMPLE .««..« .,,««, _,,,, / <br /> <br />MEASUREMENT <br />Q <br />-7 YG <br />0053010 PERMIT 35 70 mg/L <br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Weekly GRAB <br />Solids, total suspended SAMPLE <br /> MEAS <br />UREMENT """""" «••,•• ..«,'. ..«..' /V q rV w <br />00530 O 0 PERMIT Req. Mon. Req. Mon. mg/L <br />See Comments REQUIREMENT 30DA AVG DAILY MX weekly GRAB <br />Solids, settleable SAMPLE <br />MEASUREMENT <br />7 . <br />el Yr 6 <br />005451 0 PERMIT Req. Mon. .5 mL/L <br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Weekly GRAB <br />Solids, settleable SAMPLE <br /> MEASUREMENT IV'A- /V,!1- 114 <br />00545 O 0 PERMIT Req. Mon. Req. Mon. mLA. <br />See Comments REQUIREMENT 30DA AvG DAILY MX Weekly ! GRAB <br />Iron, total (as Fe) SAMPLE <br /> MEASUREMENT 1?f6a 23 0 r?6 <br />0104510 PERMIT 3500 7000 ug/L <br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Weekly GRAB <br />Iron, total (as Fe) SAMPLE <br />MEASUREMENT <br />Nq <br />NA <br />/VA- <br />0104500 PERMIT Req. Mon. Req. Mon. ug/L <br />See Comments REQUIREMENT 30DA AVG DAILY MX Weekly GRAB <br /> <br />NAME/TITLE PRINCIPAL EXECUTIVE OFFI <br /> <br />CER I certify under penalty oflaw that this document and all attachmenswe pepamdundermy direction or <br />auperv,sum m neemdanee with a system designed to a,snR mat gnasrea perannnel pr"perly gamer and <br /> <br />v <br />l <br />t <br />th <br />i <br />f <br />ti <br />b <br />i <br />d <br />B <br />d <br />i <br />i <br />f <br /> <br />/ <br /> <br />TELEPHONE ,ATE <br /> <br />/? ?(-_ /+ <br />K? rf r\ w'A 7 soh (/??'?r/? fs e <br />a <br />ua <br />e <br />e <br />n <br />orma <br />on su <br />m <br />tte <br />. <br />ase <br />on my <br />nqu <br />ry o <br />the person or persons who manage the <br />system, or those persons dvectly responsible for gathering the information, the information submitted is, <br />to the best of my knowledge and belief, true, accurate, and complete. I am awam that there are significant <br /> <br />T7c ?7a z z! v <br /> <br />Q? y'/y7 <br /> pca <br />not or submitting false infomiation,including thepossibility offine andimprisonmentforknowing <br /> a <br />o SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR <br />TYPED OR PRINTED AUTHORIZED AGENT -EA C,d NUMBER MM(DD/YYYY <br />taUMMt:N 1,2 ANN CAr'LAnA I Iuly ur AN T vIu LA I Iu It1U tKeTerence all attachments nere) <br />ALTERNATE LIMITS FOR TSS (MLOC=O) APPLY IF 10YR/24HR PRECIP EVENT CLAIMED. ALTERNATE LIMITS FOR IRON &SETTLEABLE 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 (Rev.01/06) Previous editions may be used. 03/31/2011 Page 1