2013-10-08_HYDROLOGY - C1981041 (2)

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SITE CRDA -01 CRDA -02 CRDA -03 CRDA -01 A CRDA -04 CRDA -05 CRDA -06 SNOWCAP COAL COMPANY, INC. Page GC -22 CAMEO REFUSE DISPOSAL AREA GROUND WATER Total Critical Piezometer Depth Depth 100 14.91 13.12 101 27.67 18.52 102 21.15 19.03 103 32.19 28.33 104 37.29 32.10 105 42.14 32.03 106 46.21 31.96 107 57.55 53.87 200 12.45 4.94 201 17.38 9.91 202 21.45 13.91 203 27.67 19.83 204 41.04 33.78 205 46.29 38.72 206 62.45 49.24 300 20.26 17.83 301 27.30 24.02 302 32.70 25.91 303 43.43 25.85 304 52.22 25.80 305 60.24 25.75 306 78.28 25.89 307 92.06 84.19 400 12.38 6.11 401 21.59 16.98 402 30.51 16.92 403 38.40 16.86 404 56.00 49.88 405 71.00 64.38 406 86.00 74.38 SAMPLE DATE 12/6/2012 3/11/2013 6/27/2013 9/30/2013 Dry 31.06 Dry 31.05 Dry 31.04 Dry 31.31 Dry 34.68 Dry 34.67 Dry 34.65 Damp 34.92 Dry 31.72 Dry 31.72 Dry 31.70 Damp 32.00 Dry 52.18 Dry 52.18 Dry 52.19 Damp 52.20 Dry 36.76 Dry 36.75 Dry 36.75 Dry 36.77 Dry 38.10 Dry 38.10 Dry 38.10 Dry 38.10 Dry 37.21 Dry 37.20 Dry 37.20 Dry 37.22 11/27/2012 3/11/2013 5/16/2013 9/30/2013 Dry 15.01 Dry 15.02 Dry 15.02 Damp 15.10 Damp 28.10 Damp 28.11 Dry 28.10 27.60 Dry 21.92 Dry 21.84 Dry 21.82 Dry 21.88 Dry 32.85 Dry 32.90 Dry 32.81 Damp 32.78 Dry 37.92 Dry 37.94 Dry 37.84 Damp 38.00 Damp 42.90 Dry 42.88 Damp 42.82 42.00 Damp 47.08 Dry 47.05 Damp 47.00 Damp 47.02 Damp 57.87 Dry 57.94 Damp 57.88 Damp 57.91 Dry 12.40 Dry 12.50 Dry 12.40 Dry 12.42 Dry 17.43 Dry 17.55 Damp 17.44 Damp 17.58 Dry 21.75 Dry 21.70 Dry 21.80 Dry 21.85 Dry 28.02 Dry 28.02 Dry 28.04 Dry 28.00 Damp 41.72 Damp 41.75 Dry 41.74 41.40 Damp 46.51 Damp 46.62 Damp 46.52 45.51 Damp 62.75 Damp 62.68 Mud 62.74 61.02 Dry 20.66 Dry 20.65 Dry 20.65 Damp 20.56 Dry 27.72 Dry 27.72 Dry 27.68 Damp 27.70 Damp 33.33 Damp 33.40 Damp 33.30 Damp 33.28 Damp 44.14 Damp 44.13 Damp 44.08 42.00 Damp 52.50 Res 30.00 Damp 52.52 Damp 52.49 Damp 60.52 Damp 60.50 Damp 60.58 Damp 60.52 Dry 78.70 Dry 78.70 Damp 78.69 74.27 Dry 88.10 Dry 86.80 Dry 88.12 Dry 88.00 Dry 12.50 Dry 12.51 Dry 12.51 Dry 12.50 Dry 21.92 Dry 21.83 Dry 21.89 Damp 21.76 Dry 31.10 Dry 31.21 Dry 31.12 Damp 31.05 Dry 38.92 Dry 38.54 Dry 38.90 38.35 D!15 6.30 D 56.46 D 56.38 D 56.35 Da71.58 Dam 71.51 Dam 71.67 Dam 71.56 81.45 81.98 81.70 81.74 Res = Restricted 306 & 307 on 3/11/13 was tight from 30' to 50'. 400 to 403 on 3/11/13 was was tight all the way. 404 on 3/11/13 was tight to 40', then free fall.