REP19956

• Permit No: C1981019
• IBM Index Class Name: Report
• Doc Date: 3/2/1999
• Doc Name: 1998 ARR & AHR Exhibit 4 ALLUVIAL WELLS GROUND WATER INFORMATION
• Permit Index Doc Type: ANNUAL RECLAMATION REPORT
• Media Type: D
• Archive: No

CO LOWYO MINE
Station: GOSSARD WELL
Sample Range: Through 12/31/98
Sample Field Field Field Lab Lab TDS Phosph. Bicarb NW3 N03~N02 N03 N02
Date pH Temp Conduc[ pH Conduct (1801 as P as CaC03 504 as N as N as N as N As Ca Fe Pb Mg Mn Hg Se Na yn
S.U. deg C umho/cm S.U umho/cm mg/1 ~mg/1 mg/1 mg/1 mg/1 mg/1 mg/1 mg/1 mg/1 mg/1 mg/1 mg/1 mg/1 mg/1 mg/1 mg/1 mg/1 mg/1
10 /19jB3 N 10.5 N 7.30 1600 1310 N N N N N N N N N N N N N N N N N
10/2]/83 N 11.0 N 7.60 19]0 S1fi0 0.110 450 .00 400 .00 0.06 N -0.02 N -0 .002 91. 00 3.850 0 .020 110 .000 0.100 -0 .00050 -0 .002 161 .00 0.076
12/12/83 N N N 8.10 1830 1190 0.040 422 .00 410 .00 -0.02 N 0.72 N -0 .002 92. 00 1.010 O. OBO 104 .000 0.050 -0 .00100 -0 .002 160. 00 0.076
03/14/84 7.50 10.0 N 7.60 1680 1150 0.060 932 .00 402 .00 -0.02 2.90 N N -0 .002 85. 00 1.]00 -0. 020 109 .000 0.050 -0 .00050 -0 .002 159. 00 0.082
06/15/84 7.55 14.0 1]00 8.10 1540 1030 0.530 418 .00 391 .00 0.07 0.4] N N -0 .002 89. 00 1.890 -0 .020 120 .000 0.080 -0 .00050 -0 .002 197. 00 0.170
08/13/84 7.70 15.0 1665 ].90 1fi60 1180 0.130 436 .00 30] .00 -0.02 0.87 N N -0 .002 82. 00 1.000 -0. 020 105 .000 0.090 -0 .00050 0 .006 158 .00 0.174
09/05/84 7.]0 12.0 1650 N N N N N N N N N N N N N N N N N N N N
10/01/84 7.60 12.0 1660 8.30 1900 1120 0.120 418 .00 798 .00 -0.02 0.50 N N 0 .002 89. 00 0.]40 -0. 020 103 .000 0.030 -0 .00050 -0 .002 154. 00 0.129
03/29/85 N 10.0 N 8.40 1760 1010 0.060 433 .00 364 .00 0.10 N 1.08 N -0 .002 95. 00 0.550 0. 150 103 .000 0.050 -0 .00050 -0 .002 156 .00 0.06]
06/29/85 ].90 12.0 1625 7,80 1860 1190 0.100 49] .00 411 .00 0.11 N 1.62 N -0 .001 90. 00 0.420 0. 050 120 .000 0.020 -0 .00020 -0 .002 156. 00 0.082
07/22/85 7.80 17.0 1800 N N N N N N N N N N N N N N N N N N N N
08/20/85 7.40 17.0 1]00 N N N N N N N N N N N N N N N N N N N N
09/18/BS N N N B.JO 1]10 1150 0.180 490 .00 903 .00 0.06 N 1.12 N -0 .001 102. 00 2.630 0. 020 121. 000 0.050 -0 .00020 -0 .002 180. 00 0.960
09/19/85 N 10.0 N N N N N N N N N N N N N N N N N N N N N
10/16/85 7.80 9.0 2000 N N N N N N N N N N N N N N N N N N N N
10/30/BS N N N 8.10 1640 1060 0.160 472 .00 912 .00 0.08 0 B7 0.81 N 0 .001 96. 00 0.]80 -0. 020 120. 000 0.040 0 .00020 -0 .002 160. 00 0.060
03/27/86 N 10.0 N 8.20 1700 llbi 1.000 454 .00 408 .00 0.04 1.19 1.19 N -0 .001 91. 00 1.220 -0. 020 104. 000 0.050 -0 .00020 0 .002 151. 00 0.080
06/19/86 N 10.0 N 8.10 1710 1180 0.100 448 .00 418 .00 -0.02 0.70 0.70 0.02 -0 .001 93. 00 0.670 -0. 020 11]. 000 0.020 -0 .00020 0 .003 168. 00 0.090
0]/29/86 ].80 1].0 1550 N N N N N N N N N N N N N N N N N N N N
08/05/86 8.00 10.0 1950 7.80 1580 1185 0.210 994 .00 401 .00 -0.02 O.BB N -0.02 -0 .001 97. 00 0.480 -0. 020 124. 000 0.020 -0 .00020 0 .002 16]. 00 0.040
09/10/86 ].90 9.0 1850 N N N N N N N N N N N N N N N N N N N N
10/13/86 8.10 8.0 1400 8.70 1700 1178 0.260 245. 00 908 .00 0.16 1.18 1.18 -0.02 -0 .001 86. 00 0.680 -0. 020 120. 000 0.030 -0 .00020 -0 .001 164. 00 0.070
03/31/8] N 8.0 N 7.80 1]fi0 1170 0.0]0 436 .00 408 .00 0.13 0.81 0.72 0.09 0 .001 85. 00 0.870 -0. 020 123. 000 0.050 -0 .00020 0 .007 1]1. 00 0.070
06/19/87 7.20 11.0 1660 8.20 1680 1222 0.380 440. 00 412 .00 -0.02 0.]9 O.BO -0.01 -0 .001 92. 00 0.840 -0. 020 121. 000 0.030 -0 .00020 0 .003 170. 00 0.070
OB/18/87 7.30 10.0 1600 8.40 1610 1160 0.200 492. 00 418 .00 0.05 1.18 1.12 0.06 -0 .001 89. 00 1.100 -0. 020 108. 000 0.070 -0. 00020 0 .002 161. 00 0.040
10/21/8] 7.30 15.0 1]50 8.30 1]10 1140 0.250 443. 00 419 .00 0.05 0.85 0.83 0.02 0 .001 9]. 00 2.760 -0. 020 117. 000 0.050 -0. 00020 0. 002 1]7. 00 0.130
0]j]1188 N N N 7.50 1500 1172 0.080 460. 00 426 .00 0.13 0.75 0.75 0.01 -0 .001 98. 00 0.600 -0. 020 123. 000 0.020 -0 .00020 0 .002 1]3. 00 0.360
06/2]/88 7.00 1].0 1680 8.00 1720 1242 0.160 398. 00 407 .00 -0.02 0.73 0.]2 0.01 -0 .001 78. 00 0.2]0 -0. 020 112. 000 0.010 -0. 00010 0 .003 179. 00 0.040
08/15/88 7.00 20.0 N ].90 1]60 1236 0.580 9fi 0. 00 926. 00 0.07 0.81 0.76 0.05 -0 .001 98. 00 0.260 -0. 020 128. 000 -0.010 -0. 00010 0. 003 1]9. 00 0.1]0
10/12/88 7.10 10.0 1650 7.70 1680 1214 0.180 446. 00 438. 00 0.03 0.92 O.7B 0.19 -0 .001 92. 00 0.950 -0. 020 132. 000 0.070 -0. 00010 0. 003 155. 00 0.050
03(30(84 N N N T.80 1680 1136 0.253 475. 00 783. 00 0.25 1.18 N 0.07 0 .002 83. 00 S. SfiO -0. 020 10]. 000 0.0]0 -0. 00010 0. 002 148. 00 0.220
08/01/89 ].58 N 1899 7.50 18]0 1260 0.934 438. 00 951. 00 0.14 0.74 0.69 0.10 0 .007 94. 00 1].700 0. 030 129. 000 0.230 -0. 00010 0. 002 1]1. 00 0.390
10/04/89 7.58 N 1]81 8.00 1710 1150 0.301 980. 00 395. 00 0.09 0.15 0.16 -0.01 -0 .005 101. 00 -0.100 0. 250 75. 000 -0.050 0. 00010 0. 002 1]6. 00 -0.050
12/28/89 N N N 8.00 1640 1174 0. 1fi6 462. 00 410. 00 0.35 O.1B 0.16 0.02 0 .003 96. 00 5.]00 -0. 020 126. 000 0 OBO 0. 00010 -0. 001 187. 00 0.180
Note: N => No measurement, D => Dry