REP37154

• Permit No: C1981019
• IBM Index Class Name: Report
• Doc Date: 1/23/2002
• Doc Name: 2000 ARR and AHR, Compliance Review Memo
• From: BYRON G WALKER
• To: FILE C-81-019
• Permit Index Doc Type: ANNUAL RECLAMATION REPORT
• Media Type: D
• Archive: No

COLOWYO MINE
Sample Field Field Fie 1d Lab Lab TDS Phosph. Bica rb NH3 NOl .N02
Date pH Temp Conduct pH Conduct (1801 TSS as P as CaG03 504 as N as N
S.U. deg C umho/cm S.U. umho/cm mg/1 mg/1 mg/1 mg/1 mg/1 mg/1 mg/1
08/19/91 N 12.0 N 8.50 1750 1'108 10.0 0.0]5 430.00 910.00 0.03 0.35
09/30/91 N 11.0 N 7.70 2]20 N 2.0 N N N N N
10/16/91 N 15.0 N 8.20 1710 1686 -2.0 0.030 516.00 864.00 0.09 0.76
11/15/91 N 7.0 N ].80 2570 N 6.0 N N N N N
12/18/91 N 3.0 N 8.00 2510 N -2.0 N N N N N
01(22/92 N 2.0 N 8.10 2220 N 10.0 N N N N N
02/10/92 N 6.0 N 8.20 1930 1512 14.0 0.048 416.00 793.00 0.14 2.52
03/26/92 N 4.0 N 8.00 1640 N 2.0 N N N N N
04/28/92 N 10.0 N 8.00 1560 N 12.0 N N N N N
05/19/92 N 12.0 N 6.10 1730 1569 8.0 0.056 30.00 683.00 0.16 0.90
06/23/92 N 21.0 N 8.10 lfil N 10.0 N N N N N
07/06/92 N 22.0 N 8.00 1870 N 12.0 N N N N N
08/17/92 N 19.0 N 8.00 1880 1526 12.0 0.056 216.00 792.00 0.09 0.30
09/30/92 N 19.0 N 7.90 1700 N 14.0 N N N N N
10/15/92 N 18.0 N 8.10 1700 N 10.0 N N N N N
11/23/92 N 2.0 N 8.30 1820 1526 -2.0 0.038 956.00 75].00 0.96 0.96
12/17/92 N 2.0 N 8.00 1940 N 8.0 N N N N N
01/19/93 N 9.0 N 8.20 2820 N 12.0 N N N N N
02/27/93 N 3.0 N 8.20 1990 N -2.0 N N N N N
03/1]/93 N 3.0 N 8.10 1690 1408 16.0 0.020 416.00 737.00 0.20 1.50
04/21/93 8.10 9.0 1]35 8.00 1710 N 16.0 N N N N N
05/27/93 8.10 18.0 985 7.90 861 N 1397.0 N N N N N
06/01/93 8.30 10.0 983 8.20 927 784 116.0 0.150 334.00 340.00 0.21 1.41
07/30/93 8.10 13.0 1790 7.90 1740 N -2.0 N N N N N
08/23/93 7.90 11.0 1650 8.10 1710 1248 12.0 0.012 384.00 661.00 0.10 1.48
09/14/93 8.10 13.0 1060 8.20 10]0 N -2.0 N N N N N
10/19/93 7.90 13.0 1710 8.00 1724 N 2.0 N N N N N
11/30/93 8.70 2.0 1710 8.90 17]0 1272 32.0 -0.005 362.00 667.00 -0.05 2.10
Note: N -> No measurement
As Ca Fe Pb Mg Mn Hg Se Na 2n
mg/1 mg/1 mg/1 mg/1 mg/1 mg/1 mg/1 mg/1 mg/1 mg/1
-0. 001 165. 00 0.170 -0. 020 152. 000 0.120 -0 .00010 0.001 93. 00 0.200
N N N N N N N N N N
-0. 001 178. 00 0.090 0. 030 166. 000 0.130 -0 .00010 -0.001 100. 00 0.010
N N N N N N N N N N
N N N N N N N N N N
N N N N N N N N N N
-0. 001 155 .00 0.450 -0 .020 15]. 000 0.180 -0 .00050 -0.003 69. 00 0.010
N N N N N N N N N N
N N N N N N N N N N
-0. 001 137 .00 0.390 -0 .020 136. 000 0.160 -0 .00010 0.004 54. 00 -0.010
N N N N N N N N N N
N N N N N N N N N N
-0 .001 123 .00 0.290 -0 .020 133. 000 0.130 -0 .00010 0.004 63. 00 0.010
N N N N N N N N N N
N N N N N N N N N N
0 .001 159 .00 0.290 -0 .020 165. 000 0.160 -0 .00010 0.002 78. 00 -0.010
N N N N N N N N N N
N N N N N N N N N N
N N N N N N N N N N
-0 .001 144 .00 0.230 -0 .020 150. 000 0.190 -0 .00010 O.OOfi 69. 00 0.010
N N N N N N N N N N
N N N N N N N N N N
-0 .001 97 .00 3.100 -0 .020 80. 000 0.190 -0 .00010 0.004 28. 00 0.070
N N N N N N N N N N
-0 .001 121 .00 0.360 -0 .020 139 .000 0.190 -0 .00020 0.005 55. 00 0.030
N N N N N N N N N N
N N N N N N N N N N
-0 .001 126 .00 0.390 -0 .020 130 .000 0.180 -0 .00020 0.007 56. 00 -0.010
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