REP49283

• Permit No: C1981019
• IBM Index Class Name: Report
• Doc Date: 3/12/2001
• Doc Name: 2000 ARR & AHR EXHIBIT 1 CREEKS SURFACE WATER INFORMATION
• Permit Index Doc Type: Annual Reclamation Report
• Media Type: D
• Archive: No

COLOWYO MINE
Sample Field Field Field Lab Lab TDS Phosph. Bicarb NH3 N03+N02
Date pN Temp Conduct pH Conduct (180j TSS as P as CaC03 504 as N as N As Ca Fe Pb Mg Mn Ng Se Na Zn
S.U. deg C umho/cm S.U. umho/cm mg/1 mg/1 mg/1 mg/1 mg/1 mg/1 mg/1 m g/1 mg/1 mg/1 mg/1 mg/1 mg/1 mg/1 mg/1 mg/1 mg/1
02/28/90 N N N 8.00 200 149 6940.0 3.790 76. 00 19 .00 0.24 1.39 0. 003 32. 00 132.000 0. 300 8 .000 4.300 0.00010 0.010 6 .00 0.800
05/30/90 8.80 15.0 1868 N N N N N N N N N N N N N N N N N N N
07/19/90 8.80 17.0 1991 8.40 1960 N 38.0 N N N N N N N N N N N N N N N
11/09/90 N N N 8.20 1510 1132 3fi .0 0.110 240. 00 549 .00 0.08 -0.02 0 .002 96. 00 57.000 -0 .020 101 .000 0.020 -0. 00010 -0.001 80 .00 0.010
02/25/91 N 4.0 N 8.60 1410 1168 116.0 0.700 264. 00 597 .00 0.21 0.40 0 .006 117. 00 15.300 0 .020 98 .000 0.400 0'.00010 -0.001 94 .00 0.090
04/21/93 8.00 3.0 2290 8.00 2250 N 26.0 N N N N N N N N N N N j N N N N
05/27/93 8.80 17.0 1030 8.40 997 N 596.0 N N N N N N N N N N N N N N N
Ofi /01/93 8.40 19.0 989 8.30 958 608 B.0 0.020 238. 00 233 .00 0.11 0.55 -0 .001 64. 00 2.400 -0 .020 64 .000 0.030 -0!00010 0.004 32 .00 0.010
05/23/95 8.20 15.0 2080 8.30 2030 1560 -5.0 0.140 310. 00 740 .00 0.11 0.08 0 .006 124. 00 4.700 -0 .020 156 .000 0.080 -0!00020 0.002 124 .00 0.040
06/19/95 8.50 14.0 1245 8.40 1270 N 26.0 N N N N N N~ N N N N N N N N N
07/26/95 8.30 12.0 1850 8.20 1890 N -5.0 N N N N N N N N N N N I N N N N
08/24/95 8.20 15.0 1880 8.40 1900 N 12.0 N N N N N N N N N N N N N N N
09/13/95 8.40 14.0 1830 8.40 1840 1380 -5.0 -0.005 329. 00 658 .00 -0.05 0.06 -0 .001 103 .00 -0.010 -0 .020 161 .000 -0.005 -000020 0.002 131 .00 0.010
10/25/95 8.10 N 1700 8.20 1710 N -5.0 N N N N N N N N N N N N N N N
11/29/95 8.30 1.0 2330 8.30 2330 N 20.0 N N N N N N N N N N N N N N N
12/05/95 8.20 1.0 2340 8.10 1980 1470 28.0 0.201 394. 00 650 .00 0.09 0.02 -0 .001 109 .00 0.950 -0 .020 155 .000 0.030 -0.00020 0.003 122 .00 0.030
01/03/96 N N N N N N N N N N N N N N ~ N N N N N N N N
02/20/96 8.67 3.0 1006 8.20 839 570 1040.0 0.901 188. 00 220 .00 0.08 0.50 0 .007 57 .30 23.300 -0 .020 52 .100 0.721 -0!00020 0.003 68 .00 0.150
03/18/9fi N N N N N N N N N N N N N N N N N N I N N N N
04/01/96 8.94 10.0 1940 8.30 1950 1390 42.0 N N N N N N N N N N N I N N N N
05/06/96 8.96 13.0 1835 8.40 1865 1330 30.0 0.039 367. 00 560 .00 0.08 -0.02 -0 .001 101 .00 0.370 -0 .020 139 .000 0.013 -0.00020 0.005 119 .00 0.030
06/03/9fi 8.12 12.0 1510 8.40 1527 N -5.0 N N N N N N N N N N N i N N N N
07/01/96 8.23 13.0 1484 8.40 1736 1220 B.0 -0.005 376. 00 530 .00 -0.05 -0.02 -0 .001 85 .00 0.100 -0 .020 131 .000 -0.005 -0.00020 0.002 109 .00 0.020
OB/OB/9fi 8.55 16.0 1835 8.50 1820 N -5.0 N N N N N N N 0.050 N N N N N N N
09/25/96 9.00 11.0 15fi3 8.20 1909 N 8.0 -0.005 392. 00 620 .00 N 0.14 0 .001 99 .00 0.110 -0 .100 134 .000 -0.030 -0'.00020 0.002 117 .00 -0.050
10/03/96 7.64 10.8 2620 8.30 2012 N -5.0 -0.005 340. 00 590 .00 N 0.03 0 .001 106 .00 0.070 0 .040 137 .000 -0.010 -0~. 00020 -0.001 128 .00 0.030
11/21/96 8.60 4.8 1420 8.50 1098 N 10.0 0.007 292. 00 590 .00 N 0.24 0 .001 118 .00 0.090 -0 .020 136 .000 N -0:000"l0 0.003 143 .00 0.030
12/18/96 N N N N N N N N N N N N N N N N N N N N N N
Note: N => No measurement