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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: Colowyo Coal Company LP <br />ADDRESS: 5731 State Highway 13 <br /> Meeker, CO 81641 <br />FACILITY: COLOWYO MINE <br />LOCATION: 5731 SOUTH HIGHWAY 13 <br /> MEEKER, CO 81641 <br />ATTN: KEITH HALEY, MINE MANAGER <br />000045161 008-A <br />PERMIT NUMBER DISCHARGE NUMBER <br />MONITORING PERIOD <br />MM/DD/YYYY MM/DD/YYYY <br />FROM 04/01/2010 TO 06/30/2010 <br />Form Approved <br />OMB No. 2040-0004 <br />DMR Mailing ZIP CODE: 81641 <br />MINOR <br />(SUBR JC) MOFAT <br />WEST PIT SED POND TO TAYLOR CR <br />External Outfall <br />No Discharge <br /> <br />QUANTITY OR LOADING <br />QUALITY OR CONCENTRATION <br />EX <br />NO. <br />? <br />FREQUENCY <br />OF ANALYSIS <br />SAMPLE <br />TYPE <br />PARAMETER <br /> <br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS <br />pH SAMPLE ..,... .»». „»,. »»•, <br /> MEASUREMENT <br /> »+*•+ .,,.,. `+~+•` MINIMUM ,.. MAXIMUM SU Monthly INSITU <br />Effluent Gross REQUIREMENT <br />Solids, total suspended SAMPLE ,.., »"__. •••»• <br /> MEASUREMENT <br />005301 0 PERMIT 35 <br />30DA AVG 70- <br />DAILY MX mg/L Monthly <br />y GRAB <br />Effluent Gross REQUIREMENT . <br />Solids, settleable SAMPLE ,»». «.«.» »».. •»»• <br /> MEASUREMENT <br />005451 0 PERMIT <br />•••••, <br />•»« <br />»•"` <br />»*»• <br />Req. Mon. <br />30DA AvG <br />Req: Mon. <br />DAILY Mx <br />mUL <br /> <br />Monthly <br /> <br />GRAB <br />Effluent Gross REQUIREMENT <br />Iron, total recoverable SAMPLE ..» .,.. ••»» <br /> MEASUREMENT <br /> <br />00980 1 0 <br />PERMIT ,... • . _ 1 <br /> <br />° <br />30DA AVG <br />Req .Mon. <br /> <br />DAILY--MX <br />mg/L <br /> <br /> <br />onthly <br /> <br /> <br />GRAB <br />Effluent Gross REQUIREMENT <br />Oil and grease SAMPLE .,,.» ».... «•»•. •••••• »»•• <br /> MEASUREMENT <br />0358210 PERMIT 10 <br /> <br />INST MAX mg/L <br /> <br />Contingent <br />GRAB <br />Effluent Gross REQUIREMENT = <br />Flow, in conduit or thru treatment plant SAMPLE •••• •••••_ •*••*• •**••• <br /> MEASUREMENT <br /> <br />50050 1 0 <br />PERMIT <br />0DA AVG Mon. <br />Req. <br />DAILY MX Mgal/d <br /> <br />Monthly <br /> <br />INSTAN <br />Effluent Gross REQUIREMENT <br />Solids, total dissolved SAMPLE ..,,» ,•.... »,.,, ....., <br /> MEASUREMENT <br />702951 0 PERMIT """ """ •""' """ Req. Mon. <br />30DA AVG Req. Mon. <br />DAILY MX mg/L <br />Quarterly <br />GRAB <br />Effluent Gross REQUIREMENT <br /> <br />NAMEITITLE PRINCIPAL EXECUTIVE OFFICER I certify under pemlryry oflew that this document and all attachments were prepared under my direction or <br />temdesignedtoassurcthe,qualifiedpersonnelproperlygatherand <br />ervraieniaaccodaacewima <br />w <br />' TELEPHONE DATE <br /> ry <br />p <br />Inf.-non submitted. Based on my inquiry of the person or persom who manage the <br />evaluate <br /> system, or those persons directly mT o sible for gathering the information, the informtioa aubmiued is, <br /> <br /> <br />1 am aware that thereart sigairksm <br />aad com <br />lete <br />arste <br />e ad Melf <br />tree <br />m <br />t <br />h <br />t <br />f <br />l <br />-led <br />b <br />- <br />??. 1 ,?/ ??f ?/ <br />.?1 /! nC _ ?J O <br /> <br />G C <br />1 ?/C <br />v? ?I G p <br />. <br />, <br />, <br />, <br />o <br />my <br />an <br />o t <br />e <br />es <br />g <br />pealiesorsubmiuingfalseinfornation,includingthepossibility of fine and imprisonment far knowing <br />a SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR <br />AREA C <br />d <br />NUMBER <br />/YYYY <br />TYPED OR PRINTED AUTHORIZED AGENT o <br />e MMIDD <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.I.B, PG. 5. QRTRLY SAMPLING INSTRUCTIONS - I.C.11, PG. 5. <br />EPA Form 3320.1 (Rev.01/06) Previous editions may be used. Page