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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) <br />DISCHARGE MONITORING REPORT (DMR) <br />PERM ITTEE NAME/ADDRESS (Include FacilityName/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 002-A <br />PERMIT NUMBER DISCHARGE NUMBER <br />MONITORING PERIOD <br />MM/DD/YYYY MM/DD/YYYY <br />FROM 04/0172011 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 T 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 ANALYSJS SAMPLE <br />TYPE <br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS <br />Oil and grease SAMPLE .„... <br /> MEASUREMENT A4 <br />0358210 PERMIT 10 mg/L <br />Effluent Gross REQUIREMENT INST MAX Contingent GRAB <br />Flow, in conduit or thru treatment plant SAMPLE <br />8 ? r <br />6 ,,••,* ...... ****** ****** / <br />16 !n <br /> MEASUREMENT V, ,© <br />50050 1 0 PERMIT Req. Mon. Req. Mon. Mgal/d ****** *'*'** **"*' ****** tee IAA- <br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX ?C9RBR <br />Oil and grease visual SAMPLE *«.... <br />4 ««,«,« ...... ..,.,. ..«««. - <br /> MEASUREMENT Q VLSu? <br />84066 1 0 PERMIT Req. Mon. Y=1;N=0 ***`*• ""'* '*"" ***"` <br />Effluent Gross REQUIREMENT INST MAX Weekly VISUAL <br /> <br />NAME/TITLE PRINCIPAL EXECUTIVE OFFICER 1 eenify under penalry of law that this document and all attachments were prepared under my direction or <br />s=1 <br />1ninaccordance with a system designed to ensure hat qualified peno" I roperly gather and <br /> <br />'' TELEPHONE DATE <br />A / <br />Q <br />, S 1 <br />valuate the information submitted. Based on my inquiryof the person or persons who manage the <br />system, or those persons directly responsible for gathering the information, the mfomration submitted is, <br />to the best of my knowledge and belief, we, accurate, and complete. lam aware that there are significant ,(A`/ <br />4 ?L 7(? ?? Z 0S -L/ <br />W <br />? <br />lhhJJ/ V v violations. eeforsubmittingtalseinforma[ion,indudingthepossihihryof6neardimprisonmen[forknowing SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR - <br />TYPED OR PRINTED AUTHORIZED AGENT <br />AREA coda <br />NUMBER <br />MMIODNYYY <br />UUMMLN 15 ANU CA.rLANAI IUN ur ANT viuLA 1 IuNJ tKeTerence all aicacnmenis nere) <br />ALTERNATE LIMITS FOR TSS (MLOC=Q) 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. 03131/2011 Page 2