REP29502

• Permit No: C1981019
• IBM Index Class Name: Report
• Doc Date: 3/12/2001
• Doc Name: 2000 ARR & AHR EXHIBIT 3 ALLUVIAL WELLS GROUND WATER INFORMATION
• Permit Index Doc Type: Annual Reclamation Report
• Media Type: D
• Archive: No

COLOWYO MINE
Station: NGSW
Sample Range: Through 12/31/00
RECEIVED
MAR t 2 2001
Division of Minerals and Geology

Sample Field Pield Field Lab Lab TDS Phosph. Bicarb NH3 N03aN02 N03 N02
Date pH Temp Conduct pH Conduct (180) as P as CaC03 504 as N as N as N as N As Ca Fe
S.U. deg C umho/cm S.U. umha/cm mg/1 mg/1 mg/1 mg/1 mg/1 mg /1 mg/1 mg/1 mg/1 mg/1 mg/1
09/05/89 ].50 N 1822 7.20 1850 1536 N 392. 00 ]39 .00 0.38 -0. 01 -0.02 -0. 01 0. 002 195. 00 3.090
10/05/89 7.70 N 1831 7.80 1710 14fi0 0.070 436. 00 706 .00 0.92 -0. 02 -0.02 -0. 01 -0. 001 129. 00 0.740
12/28/89 N N N 7.50 1800 1606 0.020 460. 00 829 .00 0.41 -0. 02 0.02 N 0. 001 208. 00 1.500
03/27/90 N N N 7.70 1650 1824 0.020 402. 00 926 .00 -0.05 N 0.07 -0. 01 0. 003 223. 00 0.350
05/30/90 7.20 8.0 2170 7.70 2190 18]6 0.090 467. 00 943 ,00 0.31 N 0.15 -0. 01 0. 002 196. 00 1.870
07/19/90 7.90 11.0 2180 7.60 2120 1826 0.060 955. 00 955 .00 0.11 N 0.40 -0. 01 0. 003 198. 00 1.400
11/19/90 N 12.0 N 8.00 2520 1840 0.020 963. 00 997 .00 0.23 N 0.59 N 0. 001 192. 00 -0.020
03/28/91 N 12.0 N 8.00 2160 1400 0.100 430. 00 80] .00 0.33 -0. 02 -0.02 -0. 01 0. 002 143 .00 2.100
05/1]/91 N 15.0 N 7.90 1930 1584 0.010 370. 00 836 .00 0.05 N 0.28 -0. 01 0. 001 150. 00 0.1]0
08/19/91 N 10.0 N 8.50 1770 1360 0.030 396. 00 1185 .00 0.42 N 0.05 N -0. 001 175. 00 0.460
10/17/91 N 13.0 N 7.80 2700 1780 0.100 528. 00 867 .00 0.39 -0. 02 0.02 N 0. 002 195. 00 0.800
02/12/92 N 7.0 N 7.80 2440 1792 0.042 524. 00 926 .00 0.27 N 0.06 -0. 01 -0. 001 192 .00 0.530
05/19/92 N 11.0 N 8.30 1970 1818 0.0]7 474. 00 971 .00 0.23 N 0.15 N 0. 003 184 .00 2.110
08/19/92 N 13.0 N 7.40 1930 1666 0.061 505. 00 838 .00 0.17 N 0.04 N -0. 005 147 .00 1.230
11/29/92 N 5.0 N 7.90 1890 1582 0.04] 482. 00 829 .00 0.51 N 0.08 N 0. 005 163 .00 0.580
03/13/93 N 8.0 N 7.70 1560 1072 0.010 396. 00 663 .00 O.1B N 0.73 -0. 01 -0. 001 125 .00 0.040
Ofi /01/93 7.80 8.0 1600 7.70 1560 1248 0.050 392. 00 634 .00 0.25 -0. 02 -0.02 -0. 01 -0. 001 121 .00 0.260
08/23/93 7.40 8.0 1850 7.60 1870 1312 0.018 430. 00 fi89 .00 0.13 N 0.07 -0. 01 0. 003 140 .00 0.570
11/30/93 8.00 4.0 1830 8.30 1870 1398 -0.005 392. 00 696 .00 0.11 N 0.06 -0. 01 0. 002 150 .00 0.370
03/21/94 7.50 7.0 2020 7.70 2040 1542 0.057 518. 00 7]4 .00 0.2fi N O.OB -0. 01 -0. 001 165 .00 0.310
06/01/94 7.70 9.0 1850 7.60 1833 1402 0.045 12. 00 708 .00 0.10 N 0.05 -0. 01 -0. 001 198 .00 0.500
08/23/94 7,20 9.0 1850 7.60 1830 1470 0.037 428. 00 731 .00 0.28 N 0.02 -0. 01 0 .003 172 .00 0.410
11/18/94 8.00 4.0 1940 7.60 1900 1490 0.074 460. 00 770 .00 0.20 N 0.04 -0. 01 0 .001 150 .00 0.310
03/15/95 7.60 7.0 2050 7.90 2030 1620 0.028 485. 00 820 .00 0.13 N 0.18 -0. 01 0. 001 168 .00 0.420
05/23/95 7.40 7.0 2000 7.30 2050 1fi20 0.045 957. 00 810 .00 0.21 N 0.06 N 0. 002 172 .00 0.800
09/13/95 7.50 11.0 2010 7.40 2000 1580 0.005 515. 00 799 .00 N N N -0. 01 -0. 001 178 .00 0.730
12/05/95 7.50 12.0 2060 7.60 2060 1690 0.044 506. 00 790 .00 0.20 N 0.05 N 0 .002 169 .00 0.720
02/20/9b 7.80 13.0 1980 7.90 1920 1650 0.055 507. 00 790 .00 -0.05 0. 15 0.15 -0. 01 -0 .001 171 .00 0.060
04/15/96 7.70 12.0 1994 7.50 2130 1710 0.008 530. 00 750 .00 0.16 0. 19 0.19 -0. 01 -0 .001 174 .00 0.030
07/01/96 7.90 13.0 2000 7.30 2061 1540 -0.005 516. 00 720 .00 0.11 0. 14 0.14 -0. 01 0 .002 177 .00 N
09/26/96 7.60 8.1 1989 7.40 2027 1610 0.024 529. 00 7]0 .00 0.24 0. 13 N N 0. 001 173 .00 0.200
11/19/96 7.40 8.1 1fi 73 7.80 1894 1660 0.300 557. 00 770 .00 0.54 0. 03 0.03 -0. 01 0. 002 181 .00 0.340
02/25/97 7.40 7.2 1569 7.70 2113 1660 0.028 552. 00 780 .00 0.23 0. 05 0.05 -0. 01 0 .001 180 .00 0.270
05/20/97 7.30 6.0 1517 7.70 1930 1750 0.019 518. 00 710 .00 0.22 -0. 02 -0.02 -0. 01 0 .001 185 .00 0.350
Note: N => No measurement, D .> Dry
Pb Mg Mn Hg Se Na Zn
mg/1 mg/1 mg/1 mg/1 mg/1 mg/1 mg/1
-0. 020 212 .000 0.250 -0. 00010 0. 002 62. 00 0. 260
0. 030 117 .000 0.290 -0. 00010 0. 003 62. 00 0. 090
-0. 020 199 .000 0.390 -0. 00010 -0. 001 76. 00 0. 040
-0. 020 230 .000 0.070 0 .00010 0. 002 93. 00 0. 040
-0. 020 176 .000 0.430 -0 .00010 -0. 001 73. 00 0. 060
0. 030 172 .000 0.280 -0 .00010 -0. 001 69 .00 0. 030
-0. 020 179 .000 0.010 -0 .00010 -0. 001 73 .00 -0. 010
0. 090 140 .000 0.500 0 .00020 -0. 001 83 .00 -0. 010
0. 060 147 .000 0.030 -0. 00010 -0. 001 83. 00 0. 020
-0. 020 166 .000 0.470 -0 .00010 -0. 001 89. 00 0. 150
-0. 020 188 .000 0.720 -0 .00010 -0. 001 99. 00 0. 030
-0. 020 191 .000 0.550 -0 .00010 -0. 001 98. 00 0. 010
-0. 020 186 .000 0.560 -0 .00010 -0. 001 92. 00 -0. 010
-0. 020 137 .000 0.770 0 .00020 -0. 001 71 .00 0. 100
0. 020 162 .000 0.350 0 .00010 0. 010 86 .00 0. 010
-0 .020 129 .000 0.600 0 .00010 0. 006 61 .00 0. 010
-0. 020 124 .000 0.530 0 .00020 -0. 001 57. 00 0. 040
-0. 020 142 .000 0.490 -0 .00020 -0. 005 68. 00 -0. 010
-0. 020 152 .000 0.750 -0 .00020 -0. 001 75. 00 -0. 010
-0 .020 165 .000 0.610 -0 .00020 -0. 001 79. 00 -0. 010
-0 .020 199 .000 0.790 -0 .00020 0. 001 79. 00 -0. 010
-0 .020 161 .000 0.820 -0 .00020 -0. 001 88 .00 -0. 010
-0 .020 150 .000 0.810 -0 .00020 -0. 001 79 .00 -0. 010
-0. 020 169 .000 0.429 -0 .00020 -0. 001 83. 70 -0. 010
-0. 020 174 .000 1.300 -0 .00020 -0. 001 88. 40 0. 020
-0 .020 179 .000 0.868 -0 .00020 -0. 001 88. 80 0. 020
0 .020 1]5 .000 0.595 0 .00020 0. 001 89. 70 0. 020
-0 .020 170 .000 0.129 -0 .00020 -0. 001 84. 40 0. 020
-0 .020 171 .000 0.265 -0 .00020 -0. 001 86. 70 0. 020
-0 .020 177 .000 0.727 -0 .00020 -0. 001 89. fi0 -0. 010
-0. 040 1]1 .000 0.830 -0 .00020 -0. 001 92. 90 -0. 020
-0. 020 178 .000 0.851 -0 .00020 -0. 001 90. 70 -0. 010
-0 .040 174 .000 0.783 -0 .00120 -0. 001 88. 50 -0. 010
-0 .040 165 .000 0.764 -0 .00120 -0. 001 87. 80 -0. 010