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2011-03-24_REPORT - C1981019 (8)
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2011-03-24_REPORT - C1981019 (8)
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Last modified
8/24/2016 4:32:02 PM
Creation date
3/24/2011 12:18:58 PM
Metadata
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Template:
DRMS Permit Index
Permit No
C1981019
IBM Index Class Name
Report
Doc Date
3/24/2011
Doc Name
2010 Annual Hydrology & Annual Reclamation Report
From
Colowyo Coal Company
To
DRMS
Annual Report Year
2010
Permit Index Doc Type
Hydrology Report
Email Name
JHB
Media Type
D
Archive
No
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Colowyo Coal Company <br />2010 Annual Reclamation and Hydrology Report <br />0 A-7 Well: <br />Parameter Mean Std dev Range Max. Min. Max at Min at Trend <br />Lab pH 7.86 0.14 0.4 8 7.6 8/13/08 11/10/08 Increasing <br />Lab Cond. 1478.18 279.64 910 2260 1350 6/18/08 8/19/09 Decreasing <br />TDS 1160.91 317.32 1110 2100 990 6/18/08 8/19/09 Decreasing <br />Sulfate 445.45 222.02 744 1110 366 6/18/08 11/2/09 Decreasing <br />Calcium 126.0 20.14 70 186 116 6/18/08 8/19/09 Decreasing <br />Iron 0.05 0.00 0.00 0.05 0.05 6/18/08 6/18/08 Level <br />Magnesium 126.45 39.20 133 244 111 6/18/08 8/19/09 Decreasing <br />Sodium 47.82 10.46 40 77 37 6/18/08 8/19/09 Decreasing <br />Elevation 6889.93 2.72 8.88 6895.87 6886.99 6/18/08 11/2/09 Decreasing <br />A-8 Well: <br />• <br />Parameter Mean dStedv Range Max. Min. Max at Min at Trend <br />Lab pH 7.90 0.18 0.5 8.1 7.6 8/19/09 11/10/08 Decreasing <br />Lab Cond. 1097.4 197.27 540 1570 1030 11/2/09 06/18/08 Increasing <br />TDS 822.0 200.87 560 1260 700 11/2/09 6/03/09 Increasing <br />Sulfate 263.0 144.95 401 579 178 11/2/09 8/19/09 Increasing <br />Calcium 111.30 25.39 75 165 90 11/2/09 6/18/08 Increasing <br />Iron 0.09 0.12 0.31 0.36 0.05 11/10/08 11/2/09 Decreasing <br />Magnesium 88.90 19.95 56 134 78 11/2/09 6/3/09 Increasing <br />Sodium 16.80 4.16 10 21 11 11/2/09 11/10/08 Increasing <br />Elevation 7107.64 6.48 16.39 7116.93 7100.54 6/18/2008 11/2/09 Decreasing <br />NGSW: <br />• <br />Parameter Mean dSted Range Max. Min. Max at Min at Trend <br />Lab pH 7.75 0.30 1.7 8.5 6.8 8/19/91 10/03/00 Increasing <br />Lab Cond. 1976.84 277.29 1550 2700 1150 10/17/91 04/27/98 Increasing <br />TDS 940.62 259.90 1320 2100 780 8/13/08 04/27/98 Increasing <br />Sulfate 763.81 177.73 1053 1340 287 3/17/09 04/27/98 Increasing <br />Calcium 167.32 30.93 169.30 262 92.7 09/27/90 10/08/98 Increasing <br />Iron 0.38 0.62 3.98 3.99 0.01 4/27/98 10/21/02 Decreasing <br />Magnesium 166.70 31.43 194 270 76 09/27/90 04/27/98 Increasing <br />Sodium 9052 21.34 154.3 186 31.7 05/18/06 04/27/98 Increasing <br />Elevation 6534.72 2.02 10.85 6540.65 6529.8 03/13/93 08/31/04 Decreasing <br />Page 2-6
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