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2011-06-14_REPORT - C1981019
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2011-06-14_REPORT - C1981019
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Last modified
8/24/2016 4:34:29 PM
Creation date
6/15/2011 10:34:51 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981019
IBM Index Class Name
Report
Doc Date
6/14/2011
Doc Name
2010 AHR & ARR Responses
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 />2010Annual Reclamation and Hydrology Report <br />• A-8 Well: <br />Parameter Mean S <br />dev <br />td <br /> <br />Range <br /> <br />Max. <br /> <br />Min. <br /> <br />Max at <br /> <br />Min at <br /> <br />Trend <br />Lab pH 7.90 0.18 0.5 8.1 7.6 8/19/09 11/10/08 Static <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 Std <br />dev 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 Static <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 Static <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 Static <br />Gossard Well: <br />11 <br />Parameter Mean Std <br />dev Range Max. Min. Max at Min at Trend <br />Lab pH 7.91 0.28 1.6 8.6 7 10/08/98 10/21/02 Static <br />Lab Cond. 1914.74 225.78 990 2350 1360 10/08/98 03/29/85 Increasing <br />TDS 796.28 563.76 848 1810 962 10/08/98 03/13/93 Increasing <br />Sulfate 531.38 138.72 719 838 119 10/08/98 8/19/09 Increasing <br />Calcium 108.66 23.63 169 181 12 10/08/98 11/30/93 Increasing <br />Iron 1.06 3.52 28.99 29 0.01 10/08/98 10/21/02 Decreasing <br />Magnesium 131.09 26.21 202 217 15 10/08/98 11/30/93 Increasing <br />Sodium 163.46 26.78 221 240 19 10/08/98 11/30/93 Increasing <br />Elevation 6329.31 2.92 14 6339.09 6325.09 10/03/00 03/28/91 Increasing <br />Page 2-7
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