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 Fie 1d Field Fie 1d Lab Lab 'COS Phosph. Bicarb NH7 N03.N02
Date pH Temp Conduct pH Conduct (1801 TSS as P as CaC03 504 as N as N As
S.U. deg C umho/cm S.U. umho/om mg/1 mg/1 mg/1 mg/L mg/1 mg /1 mg/1 mg/1
06/10/99 8.90 11.6 1198 6.00 1170 N 10.0 N N N N N N
07/06/99 8.27 17.7 1380 1.90 1360 1030 21.0 -0.050 319.00 412. 00 -0. 05 9.70 -0. 005
06/19/99 6.16 10.6 1567 7.60 1470 N -5.0 N N N N N N
09/03/99 8.29 12.9 1187 7.90 1590 N 19.0 N N N N N N
10/17/99 7.98 10.9 1216 8.20 1610 1350 -5.0 -0.050 391.00 555. 00 -0. 05 5.57 -0. 005
11/11/99 6.10 2.6 983 7.90 1690 N -5.0 N N N N N N
12/06/99 6.12 2.0 966 7.90 1520 N 7.0 N N N N N N
01/07/00 8.23 0.6 806 7.80 1360 N -5.0 N N N N N N
02/07/00 6.18 3.7 1013 7.70 1550 1280 -5.0 -0.050 363.00 541. 00 -0. 05 9.55 -0 .005
03/07/00 6.22 4.1 929 7.70 1460 N 16.0 N N N N N N
04/17/00 6.38 10.6 1013 7.60 1280 1010 36.0 -0.050 333.00 365. 00 -0. 05 2.76 -0 .005
06/05/00 6.23 16.5 1732 7.70 1710 N 366.0 N N N N N N
07/03/00 8.27 11.3 1520 7.60 1910 N 25.0 N N N N N N
07/31/00 6.15 15.1 1701 7.90 1550 1270 0.0 -0.200 369.00 535 .00 -0. 05 5.06 -0 .005
00/21/00 8.38 11.1 1744 7.70 1660 N 7.0 N N N N N N
09/07/00 7.99 15.5 1734 7.50 1640 1420 -5.0 N N N N N N
10/02/00 0.16 12.2 1924 7.00 1570 1400 -5.0 -0.200 406.00 561 .00 -0. 05 6.05 -0 .005
11/OB/00 8.29 2.5 1162 7.70 1600 N -5.0 N N N N N N
12/04/00 8.30 2.9 1054 7.50 1640 N 9.0 N N N N N N
Ca Fe Pb Mg Mn Hg Se Na Zn
mg/1 mg/1 mg/1 mg/1 mg/1 mg/1 mg/1 mg/1 mg/1
N N N N N N N N N
89. 90 0.300 -0. 020 101. 000 -0. 020 -0. 00100 0.017 30. 90 -0. 010
N N N N N N N N N
N N N N N N N N N
101 .00 0.090 -0. 020 146. 000 -0. 020 -0. 00100 0.016 52. 10 -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
99 .20 -0.050 -0. 020 128. 000 -0. 020 -0. 00100 0.017 46. 50 -0. 010
N N N N N N N N N
93 .50 0.650 -0. 020 106 .000 -0. 020 -0. 00100 0.009 19. 60 -0. 010
N N N N N N N N N
N N N N N N N N N
126 .00 0.150 -0 .005 147 .000 -0. 005 -0 .00020 0.036 46. 50 -0. 200
N N N N N N N N N
N 0.080 N N N N N N N
135 .00 0.070 -0 .020 191 .000 -0 .020 -0 .00100 0.030 99 .20 -0. 200
N -0.050 N N N N N N N
N N N N N N N N N
Note: N •> No measurement