REP10392

• Permit No: C1981019
• IBM Index Class Name: Report
• Doc Date: 3/22/1994
• Doc Name: 1993 ARR EXHIBIT 12 OVERBURDEN DATA UPPER AND LOWER Y
• Permit Index Doc Type: ANNUAL RECLAMATION REPORT
• Media Type: D
• Archive: No

COLOWYO COAL COMPANY
PIT SAMPLES
UPPER Y

LOCATION
DATE SAMP
# THICK
K. 8
mg/kg CA
meq/I COND
mmhoe ESP
% MG
meq/I NA
meq/I PB
mg/kg PH SAR SE
mg/kp
UY77E 04-Nov-B3 21 50 0.09 3.74 0.90 3.04 2.91 3.10 7.7 1.60 0.024
UY1781BW 19-Dec-B3 22 50 0.18 6.64 1.10 6.00 3.09 6.20 7.1 1.20 0.066
UY17818W 19-Dec-83 23 50 0.12 4.09 1.10 2.06 6.66 17.00 7.4 3.80 0.056
UY7781BC 19-Dee-83 24 50 0.28 10.70 1.50 6.91 3.61 3.80 6.3 1.20 0.004
UY17W 13-Jan-84 25 25 0.40 4.80 0.70 1.40 3.40 1.30 1.26 7.7 0.60 0.005
UY17W 13-Jan-B4 26 25 2.00 7.10 1.00 D.20 6.00 1.70 4.22 7.0 0.70 0.010
UY79W 27-Jun-84 46 30 0.40 6.91 1.24 12.90 4.75 269 1.20 6.5 1.20 0.010
UY19W 27-Jun-84 47 32 0.20 7.65 1.51 15.30 9.05 2.50 1.60 6.9 0.87 0.020
UY20821C 23-Aug-B4 48 30 0.50 4.84 1.06 4.19 6.90 2.92 1.80 6.8 1.21 0.020
UY20821W 23-Aup-B4 49 40 0.50 4.84 1.51 4.34 8.58 4.24 1.60 7.0 1.64 0.020
UY21E 20-Sep-84 54 64 0.40 3.90 1.21 2.15 3.54 2.33 3.50 7.4 1.21 0.005
UY21E 20-Sep-84 55 30 0.40 5.98 2.23 2.91 7.88 5.68 210 7.5 2.16 0.005
UY19E 11-Dec-84 53 62 0.50 2.13 0.82 1.32 2.10 1.71 3.20 7.8 1.18 0.005
UY20E 11-Dee-B4 56 20 5.38 1.68 1.87 9.81 5.64 1.98 7.6 2.05 0.005
UY20E 11-Dec-B4 57 20 2.69 0.56 0.10 2.22 4.05 1.34 7.7 2.58 0.005
UY19820E 11-Dee-84 58 20 4.00 1.80 0.48 0.10 1.73 4.96 0.98 7.7 3.73 0.005
UY21C 11-Dee-84 59 25 5.00 1.70 0.52 0.74 2.39 1.31 2.86 7.8 0.92 0.005
UY21W 01-Jun-85 67 29 0.70 4.36 1.35 1.48 12.30 240 247 7.3 0.83 0.010
UY21C 01-Jun-85 68 39 0.50 20.60 2.74 0.01 17.00 4.71 0.99 7.3 1.09 0.010
UY21822E 01-Jun-B5 71 40 0.50 3.75 0.55 0.01 2.65 1.38 3.28 7.5 0.77 0.070
UY22W 20-Nov-BS 73 40 0.30 2.16 0.47 0.75 2.82 0.63 O.BO 7.B 0.40 0.020
UY23W 20-Nov-85 74 40 0.40 8.45 1.47 0.87 6.86 1.53 6.20 7.4 0.55 0.040
UY27W 02-Dae-85 77 55 0.20 4.34 0.71 0.43 3.87 1.10 6.20 7.4 0.54 0.090
UY27W 02-Dee-85 78 55 0.10 4.01 0.76 0.78 3.48 2.51 2.00 7.6 1.30 0.030
UY23824W 18-Dec-BS B3 40 0.50 6.OB 1.04 0.66 5.98 1.27 5.50 7.1 0.52 0.150
UY23824W 18-Dec-BS B4 40 0.70 4.50 0.90 O.5B 7.24 1.80 3.20 7.5 0.74 0.020
UY23E 24-Jan-86 87 40 0.30 10.50 2.14 0.17 8.24 1.27 1.90 7.5 0.41 0.010
UY24E 24-Jen-86 86 40 0.40 3.00 0.60 0.91 3.02 0.78 1.50 7.4 0.45 0.010
UY23C 24-Jan-86 89 40 0.30 4.03 0.92 2.98 5.30 2.70 220 7.7 1.25 0.010
UY24C 24-Jan-86 90 40 0.30 7.11 1.07 1.96 5.28 1.17 1.60 7.4 0.69 0.010
UY25W 11-Jun-B6 105 48 0.40 4.40 1.45 2.30 12.90 242 4.90 7.3 0.80 0.130
UY26W 11-Jun-86 106 48 0.50 7.15 2.21 1.00 4.10 3.10 3.50 6.8 1.30 0.020
UY25C 11-Jun-86 107 40 0.40 8.22 1.23 1.30 7.93 1.56 3.40 6.5 0.60 0.010
UY26C 11-Jun-86 108 40 0.10 6.00 0.38 0.60 7.00 0.45 3.10 7.6 0.20 0.010
UY27W 23-Feb-87 135 68 0.30 3.79 0.78 1.06 2.04 2.81 240 7.3 1.65 0.030
UY27C 23-Feb-B7 136 0.20 3.33 0.70 0.90 2.13 2.68 2.40 7.3 1.62 0.060
UY29W 11 -Sep-87 148 62 0.20 4.34 0.83 0.90 3.14 1.32 2.50 7.3 0.68 0.040
UY29C 11-Sep-B7 149 45 0.30 3.66 0.79 0.25 3.41 1.57 2.80 7.1 O.B4 0.020
UY30W 11-Sep-B7 157 50 0.10 4.86 0.84 0.10 2.83 1.76 1.10 7.4 2.48 0.010
UY30C 11 -Sep-87 158 50 0.50 7.44 1.30 0.53 6.65 3.02 6.30 6.2 1.14 0.070
UV32C 29-Aug-BB 174 0.10 9.70 1.34 2.00 8.90 2.10 3.20 7.0 0.70 0.060
UY32W 29-Aug-BB 175 0.10 4.60 0.79 4.10 3.40 1.10 2.00 7.5 0.60 0.020
UY33W 06-Apr-89 197 0.10 3.5 0.55 1.30 2.40 0.60 240 7.0 0.40 0.050
UY34W 06-Apr-89 19B 0.10 3.7 0.49 1.50 2.10 0.40 2.20 6.9 0.20 0.050
UY33C 06-Apr-89 199 0.20 4.3 0.68 1.10 3.80 0.70 1.90 6.5 0.40 0.050
UY34C O6-Apr-89 200 0.10 4.7 0.80 1.00 .4.20 0.90 2.10 6.5 0.40 0.050
UY35C 18-Sep-B9 215 0.20 0.80 0.22 1.00 0.90 0.50 1.00 7.70 0.50 0.010
UY36C 18-Sep-69 216 0.30 1.50 0.40 0.60 1.90 0.70 1.00 7.70 0.50 0.01D
UY35W 18-Sep-89 217 0.20 0.80 0.17 1.30 0.70 0.70 1.00 7.70 0.40 0.010
UY36W 18-Sep-89 21B 0.20 1.00 0.25 0.80 0.80 0.30 1.00 7.80 0.80 0.010
UY38W 30-Oct-90 257 20 0.20 5.93 0.92 2.90 2.74 0.76 O.BO 6.2 0.40 0.010
UY38C 30-Oct-90 258 20 0.40 2.27 0.38 1.00 O.B7 0.23 1.40 7.30 0.20 0.010
UY39-C OB-Mey-91 271 65 0.50 7.40 1.19 1.10 4.90 3.00 1.90 6.70 1.20 0.050
UY40-C 08-Mey-91 272 65 0.50 0.90 0.51 3.40 0.60 2.40 1.40 7.10 2.80 0.050
UY39-W OB-May-91 273 15 0.50 3.40 0.64 0.50 3.20 0.50 2.40 6.20 0.30 0.050
UY40-W OB-May-91 274 15 0.50 1.00 0.34 1.30 0.50 0.60 2.30 7.30 0.70 O.OSD
UY41-W 23-Jan-92 296 53 0.7 10.6 1.85 0.7 8.47 1.49 5 6.6 0.5 0.020
UY42--W 23-Jan-92 297 58 0.3 5.54 1.27 1.1 5.26 1.46 5 6.7 0.6 0.005
UY41-C 04-Feb-92 299 20 O.B 1.08 0.48 3 1.81 2.47 1 8.2 2.1 0.010
UY42-C 04-Feb-92 300 25 0.4 2.SB 0.72 1.2 2.99 1.22 3 7.9 0.7 0.010
UY43-W 16-Jun-92 315 61 1.6 8.93 1.37 1.2 7.81 1.65 1.9 6.3 0.6 0.115
UY44-W 16-Jun-92 316 64 1 6.74 1.14 0.9 6.83 1.57 2.2 6.3 0.6 0.080
UY43-C 16-Jun-92 317 25 0.3 1.85 0.48 0.9 1.73 0.87 1.7 7.6 0.7 0.045
UY44-C 16-Jun-92 318 25 0.5 2 0.52 2.1 1.81 1.39 23 7.7 1 0.080
UY45W 15-Sep-93 355 0.14 3.24 0.67 0.9 1.87 1.27 1.6 7.7 0.8 0.02
UY46W 15-Sep-93 356 0.10 2.43 0.66 4.3 2.76 3.02 1.2 B.0 1.9 0.005