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2009-02-09_REPORT - C1982056 (2)
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2009-02-09_REPORT - C1982056 (2)
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Last modified
8/24/2016 3:43:30 PM
Creation date
2/10/2009 9:45:14 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1982056
IBM Index Class Name
Report
Doc Date
2/9/2009
Doc Name
4th Quarter 2008 Quarterly Observation Report Refuse Pile
From
Northwest Colorado Consultants, Inc
To
Twentymile Coal Company
Permit Index Doc Type
Waste Pile/Fill Report
Email Name
JHB
Media Type
D
Archive
No
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As suggested, the water levels in the monitor wells installed on October 23, 1997 and December 9, 1999 <br />were measured during this quarter on a monthly basis, A table and graphs showing the monthly water <br />levels are attached. <br />We were advised that the mine had produced approximately 121,000 tons of waste coal during the month <br />of October 2008: 120,100 tons during November 2008: and approximately 64,765 tons during December <br />2008. It is our understanding that the fines being produced at the wash plant, which consists of 10 to 20 <br />percent of the total materials being produced, are being pumped underground into the mine. <br />Based on our limited observations, it appears that the pile is currently being constructed and maintained in <br />general accordance with the project specifications and plans submitted under 2.05.3(8) and that the <br />potential hazard to human life and property at the site in its present condition is minimal. This report <br />fulfills the quarterly inspection requirements as specified by Rules 4.09. 1(] 1)(a), 4.09. 1(] 1)(b), 4.10.2(2)(a) <br />and 4.10.2(2)(b). If you ha/any questions regarding this report or our observations, please contact this <br />office. // <br />R or <br />Sincerely, <br />NWCC, INC., <br />:d <br />57 <br />Brian D. Len P. + • <br />xc: Dan Hernandez - Se ion Specialist <br />Job Number: 99-3983 NwCC, inc. Page 2
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