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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES)
<br />DISCHARGE MONITORING REPORT (DMR)
<br />Form Approved
<br />OMB No. 2040-0004
<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 />000045161 012-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 01/01/2011 TO 03/31/2011
<br />(SUBR JC) MOFAT
<br />SEC. 28 TO GOOD SPRING CREEK
<br />External Outfall
<br />No Discharge
<br /> QUANTITY OR LOADING QUALITY OR CONCENTRATION NO.
<br />EX FREQUENCY
<br />OF ANALYSIS SAMPLE
<br />TYPE
<br />PARAMETER
<br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS
<br />pH SAMPLE ...... ...... ......
<br /> MEASUREMENT
<br />0040010
<br />Effluent Gross PERMIT
<br />REQUIREMENT 6.5
<br />MINIMUM *"`** 9
<br />MAXIMUM SU Monthly
<br />Y INSITU
<br />Solids, total suspended SAMPLE ...... ...... .....* ..,,,,
<br /> MEASUREMENT
<br />0053010
<br />Effluent Gross PERMIT
<br />REQUIREMENT 35
<br />30DA AVG 70
<br />DAILY MX mg/L
<br />Monthly
<br />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
<br />Effluent Gross PERMIT
<br />REQUIREMENT """ **** * *"" """ 1
<br />30DA AVG Req. Mon.
<br />DAILY MX mg/L
<br />Monthly
<br />GRAB
<br />Oil and grease SAMPLE ...... ,..,,. ...... ...... ..,.,,
<br /> MEASUREMENT
<br />035821 0
<br />Effluent Gross PERMIT
<br />REQUIREMENT
<br />•+*•*•
<br />{? +*'
<br />** 10
<br />INST MAX mg/L
<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 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 />NAME/TITLE PRINCIPAL EXECUTIVE OFFICER I cenify, under penalty of law that this document and all anaclmnents were prepared nn der my direction or
<br />supervision in accordance with a system designed to assure that qualified personnel properly gather and TELEPHONE DATE
<br />
<br />
<br />-yDµ
<br />rF- O
<br />a
<br />A evaluate the information submitted. Based on my inquiry of the person or persons who manage the
<br />
<br />those persons directly responsible for gathering the information, the information submitted is,
<br />system, or
<br />accurate, and complete. I am aware that there arc significant
<br />to the best of my knowledge and belief, true
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<br />penalties SI ATUREOFPRI AL EXECUTIVE OFFICER OR
<br />TYPED OR PRINTED A RRED AGENT AREA Code NUMBER MM/DD/YYYY
<br />COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here)
<br />SETTLEABLE SOLIDS LIMIT APPLIES ONLY IF <=I OYR,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 -1.6.1.6, PG. 5. QRTRLY SAMPLING INSTRUCTIONS - I.C.11, PG. 5.
<br />EPA Form 3320-1 (Rev.01/06) Previous editions may be used. Page 1
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