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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: 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 />000027154 004-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 C TO FOIDEL CREEK <br />External Outfall <br />ATTN: JERRY NETTLETON, ENV SUPERVISR <br />No Discharge <br /> <br />PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. <br />EX FREQUENCY <br />OF ANALYSIS SAMPLE <br />TYPE <br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS <br />pH SAMPLE <br />MEASUREMENT ...... ...... ...... (2 <br />'F '"""' <br />_ / z- <br />004001 0 PERMIT 6.5 *•"`* 9 SU <br />Effluent Gross REQUIREMENT MINIMUM MAXIMUM Weekly GRAB <br />Solids, total suspended SAMPLE <br />*** <br />""« <br />!y <br />6 <br />'i <br /> MEASUREMENT <br />l l <br />Q <br />l ?d <br />L <br />1 <br />0053010 PERMIT "'«•• .... 35 70 mg/L <br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Weekly GRAB <br />Solids, total suspended SAMPLE <br />/#- <br />/V <br /> MEAS <br />UREMENT A t? A JA <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 />,+*** <br />•+.««. <br />...+.. <br />.««.,* <br />< <br />CO <br />I <br />d <br />/?3 <br />Y <br />? <br /> MEASUREMENT -G . / - 0 ti <br />i <br />00545 1 0 PERMIT Req. Mon. 5 mL/L <br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Weekly GRAB <br />Solids, settleable SAMPLE <br />MEASUREMENT ..«..« .+..+. ...«.. ...... <br />`V A <br />/V il <br />N/} <br />AM <br />00545 O 0 PERMIT *««..« .+*+•+ ***••• *•**** Req. Mon. Mon. <br />ReI mUL <br />See Comments REQUIREMENT 30DA AVG C <br />DAILY Mx Weekly GRAB <br />Iron, total (as Fe) SAMPLE <br />MEASUREMENT <br />fZpG <br />?a6CJ <br />O <br />Ll3el <br />y`t 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 />IM <br />&44 <br />Al <br /> MEASUREMENT (- !V !4 rv <br />01045 O 0 PERMIT •'»" »•»` »»"` """ Req. Mon. Req. Mon. ug/L <br />See Comments REQUIREMENT 30DA AVG DAILY MX [Weekly GRAB <br /> <br /> <br />NAMEITITLE PRINCIPAL EXECUTIVE OFFICER I certify under penalty of law that this document and all attachments were prepared under my dircrtion or <br />aapev,a;aninaecordaneew,naayatemaesigned[aassmematy atiaeapersemrelPraperygatherana <br />TELEPHONE <br />ATE <br /> <br /> <br />? <br />i <br />IN evaluaze the information submitted. Based on my inquiry of the person or persons who manage the <br />system, or those persons directly responsible for ga henng the ;nfonnar..n d e mfo ma on submitted is <br />1, the ben of my knowledge and belief, true, accurate, and complem. I a,n aware thaz,here am significant <br />Kd Gt <br /> <br />q 'z'7 <br />q <br />-7 <br />Sro <br /> <br />G S <br /> <br />? <br />ol: <br />jQ t^ LT ?C/td !S? <br />al 11 `?? <br />U V hols6unsforstibmitting false information, including the possibility of fine and imprisanmem for knowing SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR :A1 <br />TYPED OR PRINTED AUTHORIZED AGENT AREA Code NUMBER MM/f)D/yYYY <br />COMMEN I5 ANU LArLANA I IUN Ur ANY VIULA I TUNS (Kererence all attachments nere) <br />ALTERNATE LIMITS FOR TSS (MLOC=O) APPLY IF 10YR,24HR PRECIP EVENT CLAIMES. 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