REP07986

• Permit No: C1981019
• IBM Index Class Name: Report
• Doc Date: 12/11/2001
• Doc Name: 1997 ARR ARR EXHIBIT 1 COLOWYO COAL CO 02-10-98 COLOWYO MINE
• Permit Index Doc Type: ANNUAL RECLAMATION REPORT
• Media Type: D
• Archive: No

Col owyo Coal Canpany
02/10/98
COLONYO MINE
Sample Field Field Field Lab Lab TDS Phosp. Bicarb NH3 N03+N02
Oate pH Temp Conduct pH Conduct (180) 755 as P as CaC03 504 as N as N As Ca Fe Pb Mg Mn Hg Se Na 2n
S.U. deg C umho/cm S.U. imiho/cm m9/l m9/L mg/l mg/l mg/l m9/l mg/l m9/L mg/l mg/l m9/l mg/l m9/l m9/l m9/l mg/L mg/l
09/27/83 N 13.0 N 8.20 1300 1080 10.0 N N N N N N N N N N N N N N N
10/04/83 N 7.0 N 8.20 1300 1040 36.0 N N N N N N N N N N N N N N N
10/12/83 N 10.0 N 8.20 1200 1010 52.0 N N N N N N N N N N N N N N N
10/19/83 N 9.0 N 8.20 N N N N N N N N N N N N N N N N N N
10/20/83 N 7.5 N 8.20 1300 1050 16.0 N N N N N N N N N N N N N N N
10/27/83 8.20 3.5 7375 8.10 1320 N 40.0 N N N N N N N N N N N N N N N
17{18183 N 4.0 N 8.20 1030 1090 20.0 N N N N N N N N N N N N N N N
12/12/83 N 3.0 N 8.10 1500 1080 10.0 0.020 373.00 492.00 0.02 1.46 0.002 137.00 0.490 0.060 100.000 0.120 0.00100 0.002 45.00 0.007
03/13/84 7.90 4.0 N 7.80 7210 875 36.0 0.020 255.00 447.00 0.02 0.40 0.002 68.00 0.410 0.020 100.000 0.180 0.00050 0.002 42.00 0.022
04/30/84 7.90 9.0 N 8.10 1010 N 474.0 N N N N N N N N N N N N N N N
05/31/84 N N N 8.20 1090 N 1150.0 N N N N N N N N N N N N N N N
06/08/84 8.10 17.0 H N N N N N N N N N N N N N N N N N N N
07/25/84 8.00 23.0 1650 7.90 1360 N 226.0 N N N N N N N N N N N N N N N
08/13/84 7.90 20.0 1725 8.10 1740 1430 78.0 0.030 315.00 713.00 0.02 6.20 0.002 138.00 0.980 0.020 150.000 0.090 0.00050 0.014 62.00 0.015
09/06/84 8.20 13.0 1820 7.90 7670 N 30.0 N N N N N N N N N N N N N N N
10/02/84 8.10 13.0 7750 8.00 1790 1340 54.0 0.020 356.00 771.00 0.02 3.17 0.002 152.00 0.840 0.020 148.000 0.130 0.00050 0.009 64.00 0.025
17/07/84 8.00 10.0 1800 7.50 1600 N 66.0 N N N N N N N N N N N N N N N
71/06/84 N N N 7.50 1600 N 66.0 N N N N N N N N N N N N N N N
11/16/84 N N N 8.10 1920 N 714.0 N N N N N N N N N N N N N N N
12/12/84 N N N 8.10 1990 N 126.0 N N N N N N N N N N N N N N N
02/22/85 N N N 8.10 1870 1380 64.0 0.100 402.00 704.00 0.02 6.70 0.002 152.00 1.170 0.020 155.000 0.150 0.00050 0.007 70.00 0.048
04/30/85 N 75.0 N 8.20 1110 N 3700.0 N N N N N N N N N N N N N N N
05/31/85 N 7.0 N 8.20 1580 1240 268.0 0.020 314.00 580.00 0.06 5.68 0.001 141.00 1.560 0.020 145.000 0.170 0.00050 0.008 45.00 0.012
06/28/85 7.40 N 1675 7.90 2050 1460 68.0 0.020 375.00 788.00 0.17 7.92 0.001 768.00 0.800 0.020 180.000 0.090 0.00020 0.006 74.00 0.005
07/08/85 7.60 N 1700 N N N N N N N N N N N N N N N N N N N
07/22/85 7.80 12.0 1850 N N N N N N N N N N N N N N N N N N N
07/29/85 N N N 7.80 2000 N 70.0 N N N N N N N N N N N N N N N
08/07/85 8.00 15.0 1825 N N N N N N N N N N N N N N N N N N N
08/27/85 7.60 72.0 1950 7.70 2170 N B.0 N N N N N N N N N N N N N N N
09/06/85 6.80 9.0 1825 N N N N N N N N N N N N N N N N N N N
09/18/85 N 13.0 N 8.00 1980 7650 15.0 0.020 376.00 873.00 0.03 7.68 0.001 171.00 0.150 0.020 189.000 0.040 0.00020 0.002 96.00 0.010
10/03/85 6.90 9.0 7950 N N N N N N N N N N N N N N N N N N N
70/16/85 8.60 7.0 1825 7.80 1910 N 12.0 N N N N N N N N N N N N ~ N N N
10/28/85 8.20 B.0 1875 N N N N N N N N N N N N N N N N N N N
70/30/85 N N N 8.10 1860 1506 24.0 0.020 388.00 840.00 0.06 7.60 0.002 190.00 0.130 0.020 180.000 0.080 0.00020 0.003 88.00 0.010
11/26/85 N 4.0 N 7.50 1720 N 76.0 N N N N N N N N N N N N N N N
12/26/85 N 0.0 N 7.90 7860 1570 50.0 0.020 384.00 834.00 0.03 8.29 0.001 191.00 0.340 0.020 177.000 0.120 0.00020 0.011 81.00 0.010
01/28/86 N 2.0 N 8.00 1940 N 68.0 N N N N N N N N N N N N N N N
02/24/86 N 8.0 N 8.30 1700 1278 420.0 0.350 346.00 642.00 0.02 5.80 0.001 154.00 1.150 0.020 142.000 0.240 0.00010 0.077 66.00 0.020
03/27/86 N 4.0 N 8.00 1630 N 1230.0 N N N N N N N N N N N N N N N
04)29/86 N 8.0 N 8.10 1220 N 1040.0 N N N N N N N N N N N N N N N
Note: N => No measurement