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 007-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 />PROSPECT SED PD/GOOD SPRING CR
<br />External Outfall
<br />No Discharge
<br />
<br />PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION NO.
<br />EX FREQUENCY
<br />OF ANALYSIS SAMPLE
<br />TYPE
<br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS
<br />pH SAMPLE
<br />MEASUREMENT ......
<br />063
<br />** `t'
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<br />`JU
<br />'A"$'TU
<br />0040010 PERMIT 65 9 SU
<br />Effluent Gross REQUIREMENT MINIMUM MAXIMUM Monthly INSITU
<br />Solids, total suspended SAMPLE
<br />ME ..,... ...... ..,
<br /> ASUREMENT
<br />0053010 PERMIT 35 70 mg/L
<br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Solids, settleable SAMPLE
<br />MEASUREMENT
<br />.....,
<br />,,,...
<br />......
<br />......
<br />?D.Z
<br />?0 Z
<br />mLIL
<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 />
<br />MEASUREMENT
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<br />00980 1 0 PERMIT ""'• `""" """ """ 1 Req. Mon. mg/L
<br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Oil and grease SAMPLE ...... ...... .,,,,,
<br />??;{; ,1
<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 0,166 0+ t9? 0 p(lQ ...... .,.... ...._. 0 /-7 1 SMII
<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
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<br />702951 0 PERMIT Req. Mon. Req. Mon. ': /L
<br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Quarterly GRAB
<br />NAME/TITLE PRINCIPAL EXECUTIVE OFFICER I certify under penalty of law [list this document and all attachments were prepared under my direction or
<br />supervision in accordance with a system designed to assure that qualified personnel properly gather and
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<br />a.vwuvr?rV r A AINU CAr LAIVAI [UN Ur AIV T VIVLAI IWIVJ imererence, all anacomenls nere)
<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 - 1.6.1.13, 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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