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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 />I 000027154 006-A <br />PERMIT NUMBER DISCHARGE NUMBER <br />MONITORING PERIOD <br />MM/DD/YYYY MM/DD/YYYY <br />FROM 04101/2011 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 E TO FOIDEL CREEK <br />External Outfall <br />ATTN: JERRY NETTLETON, ENV SUPERVISR <br />No DischargeEl <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 ...... ...... ...... <br />741 <br />«.*«.* <br />k. 4? <br />0 <br />('7 <br />(q b <br />0040010 PERMIT 6.5 ****** 9 SU <br />Effluent Gross REQUIREMENT MINIMUM MAXIMUM Weekly GRAB <br />Solids, total suspended SAMPLE <br /> MEASUREMENT 2-3 <br />0053010 PERMIT 35 70 mg/L <br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Weekly GRAB <br />Solids, total suspended SAMPLE .*, ., «.,,.. «,.... ,...,, <br />AI <br />l <br />f <br /> MEASUREMENT /U N /fi A /L <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 />?i44*+ <br />??**?? <br />**+ <br />*# <br />/ <br /> MEAS <br />UREMENT <br />? <br />GQ . <br />GQ . <br />v <br />f <br />/ p/ ?j <br />005451 0 PERMIT Req. Mon. 5 mUL <br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Weekly GRAB <br />Solids, settleable SAMPLE <br />/G`f} <br />? <br />f <br />N <br />? <br /> MEASUREMENT /( 4 4 <br />00545 O 0 PERMIT Req. Mon. Req. Mon, mL/L <br />See Comments REQUIREMENT 30DA AVG DAILY MX Weekly GRAB <br />Iron, total (as Fe) SAMPLE ««.«.. <br /> <br />MEASUREMENT ,..« « .,,.,, ...,,. <br />S-7 SS <br />3 0 U <br />Q <br />!?? <br />0104510 PERMIT 3500 7000 ug/L <br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Weekly GRAB <br />Iron, total (as Fe) SAMPLE A/q <br />N? <br />W <br />li <br /> MEASUREMENT /V'f t- A <br />01045 O 0 PERMIT Req. Mon. Req. Mon. ug/L <br />See Comments REQUIREMENT 30DAAVG DAILY MX Weekly GRAB <br /> <br />NAME/TITLE PRINCIPAL EXECUTIVE OFFICER 1 mnify coder penalty of law that this document and all attachments were prepared under my direction er <br />supmrsionineccardanrewithasystemdesignedtoauue hatqualifiedpe"'one propedygamarana TELEPHONE D' <br />ATE <br /> <br /> <br /> <br />t <br /> <br />_f_ <br />? evaluate the infarmazicn submitted. Based on my inquiry of the person or persons who manage the <br />system, or those ndirectly responsible for gad Bring the information, the informaion mbmitted is, <br />to the ben of _Y,7 <br />ledge and belief, true, accurate, and comPlete. I am aware that there are significant <br /> <br /> <br />` <br /> <br /> <br /> <br />?V 7C/ Z. V ` <br />// ',r1 <br /> <br /> <br />?j.?,Z C,v <br /> <br />Q5 , <br />1 0 <br />?vn <br />tU t/y <br />pen <br />a <br />[t <br />e <br />tarsubmttingfalse information,including thepossibiliyoffneandimpsonmen[forknowing ( <br /> <br />TYPED OR PRINTED l <br />a <br />o <br />? <br />o SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR <br />AUTHORIZED AGENT <br />AREA Code <br />NUMBER <br />MMIOD/YYYY <br />COMMENTS AND tAFLANAi IUN V1- ANY VIULAI IUNS (Keterence an attachments mere) , <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