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

~:~.;~~.~IVED
COLOWYO MINE
Station: 1.GSC
Sample Range: Through 12/31/00
MAR 1 2 2001
Division of M1Einerals and Geology
Sample Field Field Field Lab Lab TDS Phosph. Eicarb NH3 N03+N02
Date pH Temp Conduct pH Conduct (1801 TSS as P as CaC03 509 as N as N As Ca Fe Pb Mg Mn Hg 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 mg/1 mg/1 mg/1 mg/1
mg/1
mg/1
mg/1
mg/1
mg/1
mg/1
04/0]/82 N N N 8.20 1410 1130 N 0.0]0 395.00 953.00 0.04 N 0.018 112. 00 0.180 0.0]0 131. 000 0.320 0.00100 0.002 50 .00 0.018
09/23/82 8.00 21.0 1450 N N N N N N N N N N N N N N N N N N N
05/25/82 8.10 17.0 990 N N N N N N N N N N N N N N N N N N N
Ob/19 /B2 6.50 17.0 1150 8.10 1100 895 10.0 0.010 346.00 391.00 0.27 N 0.007 98. 00 0.290 0.050 98. 000 0.080 0.00100 0.002 34 .00 0.013
06/25/82 8.00 13.0 1900 8.00 N lOfiO 42.0 N N N N N N N N N N N N N N N
0]/Ofi/B2 8.30 15.0 1540 N 1220 915 12.0 N N N N N N 109. 00 N N 108. 000 N N N 39 .00 N
0]/12/82 8.20 17.0 1650 8.10 1250 970 18.0 N N N N N N. 103. 00 N N 100. 000 N N N 38 .00 N
07/19/82 8.20 20.0 1280 8.02 N 980 10.0 N N N N N N N N N N N N N N N
0'!/26/82 8.10 25.0 13]0 8.10 N 985 -4.0 N N N N N N N N N N N N N N N
08/02/82 8.20 18.0 1290 ]. 90 N 950 -9 .0 N N N N N N N N N N N N N N N
08/09/82 8.20 18.0 1280 7.90 N 935 -9 .0 N N N N N N N N N N N N N N N
OB/I6/B2 8.10 17.0 1410 7.60 N 1005 -4 .0 N N N N N N N N N N N N N N N
08/27/82 8.00 18.0 1440 7.50 N 11]0 10.0 N N N N N N N N N N N N N N N
08/30/82 8.00 17.0 1450 8.20 N 11]0 B.0 N N N N N N 113 .00 N N 120. 000 N N N 51 .00 N
09/01/82 8.30 16.0 1500 N N N N N N N N N N N N N N N N N N N
09/17/82 7.90 8.0 1390 7.70 N 1060 90.0 N N N N N N N N N N N N N N N
09/21/82 8.20 12.0 1650 7.80 N 1110 24.0 N N N N N N N N N N N N N N N
09/28/82 8.10 8.0 1390 N N N N N N N N N N N N N N N N N N N
10/06/82 8.00 fi.0 840 7.80 N 1150 102.0 N N N N N N N N N N N N N N N
10/11/82 7.60 3.0 1610 7.90 N 1140 26.0 N N N N N N N N N N N N N N N
10/21/82 8.00 5.0 1530 ]. 90 N 1190 46.0 N N N N N N N N N N N N N N N
12/02/82 8.00 0.0 1500 7.90 N 1130 30.0 N N N N N N N 0.290 N 130. 000 N N N N N
12/16/82 8.20 0.0 1500 7.90 N 1110 48.0 N N N N N N N N N N N N N N N
01/18/83 7.60 1.0 1400 8.00 N 1140 30.0 N N N N N N N N N N N N N N N
03/29/83 7.80 8.0 1300 8.20 1770 1000 -q .0 -0.020 730.00 SO 8.00 0.16 N -0.002 106 .00 0.970 0.0]0 115. 000 0.110 -0.00100 -0.002 46. 00 -0.005
Note: N => No measurement