2011-04-07_HYDROLOGY - C1981019 ‎(2)‎

• Permit No: C1981019
• IBM Index Class Name: HYDROLOGY
• Doc Date: 4/7/2011
• Doc Name: 1st Quarter 2011 DMRS ‎(CO-00045161)‎
• From: Colowyo Coal Company
• To: WQCD
• Permit Index Doc Type: DMR’s
• Email Name: JHB
• Media Type: D
• Archive: No

NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES)
DISCHARGE MONITORING REPORT (DMR)
PERM ITTEE NAME/ADDRESS (Include Facility Name/Location if Different)
NAME: Colowyo Coal Company LP
ADDRESS: 5731 State Highway 13
Meeker, CO 81641
FACILITY: COLOWYO MINE
LOCATION: 5731 SOUTH HIGHWAY 13
MEEKER, CO 81641
ATTN: KEITH HALEY, MINE MANAGER
000045161 005-A
PERMIT NUMBER DISCHARGE NUMBER
MONITORING PERIOD
MM/DD/YYYY MM/DD/YYYY
FROM 01/01/2011 TO 03/31/2011
Form Approved
OMB No. 2040-0004
DMR Mailing ZIP CODE: 81641
MINOR
(SUBR JC) MOFAT
STOKER COAL LOADOUT/WILSON CR
External Outfall
No Discharge

PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION NO.
EX FREQUENCY
OF ANALYSIS SAMPLE
TYPE
VALUE VALUE UNITS VALUE VALUE VALUE UNITS
Oil and grease visual SAMPLE *.**,*
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MEASUREMENT d -7 ?/
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840661 0 PERMIT Req. Mon. Y=1;N=0 *"**` ****** ****** ******
Effluent Gross REQUIREMENT INST MAX Monthly VISUAL

NAME/TITLE PRINCIPAL EXECUTIVE OFFICER 1 crnify tinder penalty of law that this document and all attachments were prepared tinder my direction
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SIGNATURE OFP PAL EXECUTIVE OFFICER OR
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TYPED OR PRINTED THORIZED AGENT AREA Code NUMBER MMIDDrNYY
COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here)
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.
3 FOR
BURDEN OF PROOFREQUIREMENTS. OIL & GREASE - I.B.13, PG. 5. QRTRLY SAMPLING INSTRUCTIONS - I.C.11, PG. 5.
EPA Form 3320-1 (Rev.01106) Previous editions may be used. Page 2