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 NN3 N03.N02
Date pH Temp Conduct pH Conduct (1801 T55 as P as CaC03 804 as N as N As
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

07/06/99
8.40
17.1
1480
8.10
1470
1090
38.0
-0.050
314.00
400.00
-0.09 _______ _
0.76 ________
-0.005
06/19/99 8.36 9.B 2008 8.10 1810 N -6.0 N N N N N N
09/03/99 8.42 15.8 1906 8.20 1690 N 6.0 N N N N N N
10/13/99 8.30 2.3 1203 8.20 1950 1600 -6.0 -0.050 405.00 694.00 -0.05 0.72 -0.005
11/11/99 8.20 -0.1 1253 8.00 2280 N 7.0 N N N N N N
12/06/99 8.10 0.1 1331 7.80 2440 N -6.0 N N N N N N
02/07/00 8.40 1.8 1345 7.70 1970 1680 5.0 -0.050 438.00 fi86.00 -0.05 -0.01 -0.005
03/07/00 8.58 3.2 1174 7.80 1840 N - -6 .0 N N N N N N
04/17/00 8.44 16.1 1790 7.90 2070 16fi0 -6 .0 -0.050 188.00 692.00 -0.05 2.04 0.007
06/05/00 8.36 20.3 1741 7.90 1790 N 6.0 N N N N N N
08/21/00 N N N N N N N N N N N N N
Note: N => No measurement
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
63.20 0.510 -0.020 102.000 -0.020 -0.00100 -0.005 82.60 -0.010
N N N N N N N N N
N N N N N N N N N
70.90 0.090 -0.020 170.000 -0.020 -0.00100 -0.005 157.00 -0.010
N N N N N N N N N
N N N N N ~ N N N N
103.00 0.110 -0.020 156.000 -0.020 -0~. 00100 -0.005 122.00 -0.010
N N N N N N N N N
84.60 -0.050 -0.020 164.000 -0.020 -0;00100 -0.005 38.60 -0.010
N N N N N i N N N N
N N N N N ~ N N N N