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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) <br />DISCHARGE MONITORING REPORT (DMR) <br />Form Approved <br />OMB No. 2040-0004 <br />PERM ITTEE NAME/ADDRESS (Include Facility Name/Location if Different) <br />NAME: Colowyo Coal Company LP <br />ADDRESS: 5731 State Highway 13 <br />Meeker, CO 81641 <br />000045161 ?] I 003-A <br />PERMIT NUMBER DISCHARGE NUMBER <br />DMR Mailing ZIP CODE: 81641 <br />MINOR <br />FACILITY: COLOWYO MINE <br />LOCATION: 5731 SOUTH HIGHWAY 13 <br />MEEKER, CO 81641 <br />ATTN: KEITH HALEY, MINE MANAGER <br />MONITORING PERIOD <br />MM/DD/YYYY MM/DD/YYYY <br />FROM 07/01/2010 TO 09/30/2010 <br />(SUBR JC) MOFAT <br />GOSSARD POND TO WILSON CR <br />External Outfall <br />No Discharge <br /> <br /> <br /> <br />ARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION E <br /> <br />X <br />NO. <br />EX <br /> <br />FREQUENCY <br />OF ANALYSIS <br /> <br />SAMPLE <br />TYPE <br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS <br />pH SAMPLE ,«,,,, <br /> MEASUREMENT <br />0040010 PERMIT 6.5 `,,*** 9 SU <br />Effluent Gross REQUIREMENT MINIMUM MAXIMUM Monthly INSITU <br />Solids, total suspended SAMPLE <br /> MEASUREMENT <br />0053010 PERMIT 35 70 mg/L <br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly GRAB <br />Solids, settleable SAMPLE <br /> MEASUREMENT <br />005451 0 PERMIT Req. Mon. Req. Mon. mUL <br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly GRAB <br />Iron, total recoverable SAMPLE <br /> MEASUREMENT <br />009801 0 PERMIT 1 Req. Mon. mg/L <br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly GRAB <br />Oil and grease SAMPLE <br /> MEASUREMENT <br />0358210 PERMIT 10 mg/L <br />Effluent Gross REQUIREMENT <br />INST MAX <br />Contingent <br />GRAB <br />Flow, in conduit or thru treatment plant SAMPLE <br /> MEASUREMENT <br />500501 0 PERMIT Req. Mon. Req. Mon. Mgal/d <br />Effluent Gross REQUIREMENT <br />30DA AVG <br />DAILY MX <br />Monthly <br />INSTAN <br />Solids, total dissolved SAMPLE <br /> MEASUREMENT <br />70295 1 0 PERMIT Req. Mon. Req. Mon. mg/L <br />Effluent Gross <br /> <br />REQUIREMENT <br />I <br /> <br />30DA AVG <br /> <br />DAILY Mx <br /> <br />Quarterly <br /> <br />GRAB <br /> <br />NAME/TITLE PRINCIPAL EXECUTIVE OFFICER I certify under penalty of lmvthat this document and all attachments were prepared under my direction or <br />anp ;:; ;nnenmanee hbaaytemdesigned toaaaurethatqualifedpersonnel pmpulygather and TELEPHONE DATE <br /> evaluate the information submitted. Based on my inquiry of the person or persons who manage the <br />` <br />L [I) C <br />system, or those personsdirecty e Bibleforgathering theinformation, theinformation ned is, <br />to the best se knowledge and belief, tree, accurate, and corepf 1 am,wam that there arere sig significant ofmy / <br /> penal ics for submitting false information, including the possibility office and imprisonment for knowing <br />violations. <br />SI ATURE OF P INCIPAL EXECUTIVE OFFICER OR <br />TYPED OR PRINTED o--AUTHORIZED AGENT <br />AREA Code <br />NUMBER <br />MM/DD/YYYY <br />COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) <br />SETTLEABLE SOLIDS LIMIT APPLIES ONLY IF -10YR,24HR PRECIP EVENT IS CLAIMED. IF CLAIM APPROVED BY WQCD,TSS & IRON LIMITS WILL NOT BE APPLIED TO REPORTED MEASUREMENTS - SEE I.A.2, PG. <br /> 3 FOR <br />BURDEN OF PROOFREQUIREMENTS. OIL & GREASE - I.B.1.6, PG. 5. QRTRLY SAMPLING INSTRUCTION - I.C.11. PG. 5. <br />EPA Form 3320-1 (Rev.01106) Previous editions maybe used. Page 1