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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: 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 006-A
<br />PERMIT NUMBER DISCHARGE NUMBER
<br />MONITORING PERIOD
<br />MM/DD/YYYY MM/DD/YYYY
<br />FROM 01/01/2011 TO 03/31/2011
<br />Form Approved
<br />OMB No. 2040-0004
<br />DMR Mailing ZIP CODE: 81641
<br />MINOR
<br />(SUBR JC) MOFAT
<br />RAIL LOOP POND/WILSON CREEK
<br />External Outfall
<br />No Discharge
<br />PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION O. FREQUENCY
<br />
<br />OF ANALYSIS
<br />E
<br />SAMPLE
<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 />.,
<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 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 INST MAX Contingent 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 30DA AVG DAILY MX Monthly INSTAN
<br />Solids, total dissolved SAMPLE
<br /> MEASUREMENT
<br />702951 0 PERMIT Req. Mon. Req. Mon. mg/L
<br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Quarterly GRAB
<br />
<br />NAMEITITLE PRINCIPAL EXECUTIVE OFFICER 1 certify, under penalty of law that this document and all attachments were prepared under my direction or
<br />supervision in accordance with a system de signed to assure that qualified personnel property gather and
<br />TELEPHONE
<br />DATE
<br /> valuate the information submitted. Based on my inquiry of the person or persons who manage the
<br />system, or those persons directly responsible for gathering the information, the informmion submi tted is,
<br />to the hest of my knowledge and belief, tree, accurate, and complete. I am aware that there ere significant
<br />6170 7-L/
<br />X -75
<br />/'('? T (- 7'
<br />01062/20/ t
<br /> p
<br />enalties for submitting false information, including the possibility offne and imprisonmen11.1 knowin 11
<br />
<br />TYPED OR PRINTED iol
<br />vations. IGNATURE OF PRIN LEXECUTIVE OFFICER OR
<br />A ORIZED AGENT
<br />
<br />AREA Code
<br />
<br />NUMBER
<br />
<br />MMIDD/YYYY
<br />COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here)
<br />
<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 - 1.B.13, PG. 5. QRTRLY SAMPLING INSTRUCTIONS - I.C.11, PG. 5.
<br />EPA Form 3320-1 (Rev.01106) Previous editions may be used. Page 1
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