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 011-A
<br />PERMIT NUMBER DISCHARGE NUMBER
<br />MONITORING PERIOD
<br />MM/DD/YYYY MM/DD/YYYY
<br />FROM 01/01/2011 TO 03131/2011
<br />Form Approved
<br />OMB No. 2040-0004
<br />DMR Mailing ZIP CODE: 81641
<br />MINOR
<br />(SUBR JC) MOFAT
<br />DISCHARGE TO TAYLOR CREEK
<br />External Outfall
<br />No Dischargeg
<br /> QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY
<br />OF ANALYSIS E
<br />SAM
<br />P
<br />PARAMETER P
<br />E
<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
<br />Monthly
<br />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 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
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<br />TYPED OR PRINTED 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 -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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