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 ltl Field Fie 1d Lab Lab TDS Phosph. Bicarb NHl N03+N02
Date pH Temp Conduct pH Conduct 11801 T55 as P as Ca C03 504 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
02/26/97 8.50 2.1 1070 8.30 1771 N 18.0 0. 012 364. 00 950. 00 N 4.01 -0. 001
03/19/97 8.50 4.2 1066 8.30 1257 N 10.0 -0. 005 377. 00 450. 00 N 2.32 -0. 001
04/21/97 8.50 3.7 869 8.70 943 N 170.0 0. 035 325. 00 260. 00 N 1.49 0. 001
05/20/97 8.50 11.5 684 8.30 810 N 372.0 0. 014 283. 00 170. 00 N 1.32 0. 002
06/26/97 8.20 19.9 1189 8.10 1240 N 100.0 0. 010 366. 00 400. 00 N 3.93 0. 001
07/09/97 8.30 18.9 1244 8.40 1320 N 30.0 -0. 005 396 .00 410. 00 N 9.78 0. 001
08/14/97 8.30 9.7 1235 8.20 1400 1050 -5.0 0. 010 400 .00 440. 00 0. 07 4.02 0. 001
09/11/97 8.30 19.8 1103 8.20 1790 1020 -5.0 D. D1B 359 .00 980. 00 0. 06 3.48 -0. 001
10/]0/97 7.20 3.4 1277 0.20 1250 N 48.0 N N N N N N
11/18/97 9.40 7.0 1138 8.30 1440 1070 -5.0 0. 020 413 .00 460. 00 -0. 05 3.80 0. 001
12/08/97 8.30 9.0 1120 8.70 1920 N -5.0 N N N N N N
O1/Ofi/98 8.20 N 1440 8.20 1430 1050 -5.0 0. 012 407 .00 440. 00 0. 07 3.61 -0. 002
02/19/98 8.00 2.6 1540 8.10 1570 N -5.0 N N N N N N
03/06/98 7.40 N 3650 7.50 3600 N B.0 N N N N N N
04/09/98 8.30 N 1190 8.30 1180 N 82.0 N N N N N N
04/27/98 8.60 N 945 8.50 850 540 48.0 -0. 050 276 .00 173. 00 -0. 05 0.58 -0. 005
06/11/98 8.90 8.9 fi38 8.20 1230 N 55.0 N N N N N N
07/06/98 8.50 22.0 1450 8.90 1370 N 36.0 N N N N N N
08/03/98 8.60 19.0 1750 8.20 1550 1270 54.0 -0. 050 416 .00 579. 00 -0. 05 4.1fi -0. 005
09/10/98 8.90 14.2 1fi 97 8.00 1460 N 11.0 N N N N N N
10/08/98 8.50 12.0 1809 8.30 1500 1310 12.0 -0. 050 215 .00 569. 00 -0. 05 2.87 -0. 005
11/05/98 9.20 10.5 1721 7.90 1630 N -5.0 N N N N N N
12/14/98 8.20 8.3 3367 7.70 1750 N 126.0 N N N N N N
01/07/99 8.60 3.9 1981 8.20 1650 1300 14.0 -0. 050 407 .00 557 .00 -0. 05 3.55 -0. 005
02/22/99 8.70 4.0 1729 8.00 1640 N 11.0 N N N N N N
03/03/99 8.60 5.5 1950 7.90 1650 N 7.0 N N N N N N
04/06/99 8.18 N 1768 7.90 1640 N 5.0 N N N N N N
05/17/99 8.41 5.7 751 8.20 1060 770 552.0 -0. 050 321 .00 295 .00 -0. 05 2.72 -0. 005
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
121. 00 0.110 -0. 090 108 .000 0.017 -0. 00020 0.010 95. 40 0.040
121. 00 0.090 -0 .040 107 .000 0.032 -0 .00020 0.011 39. 50 0.010
101. 00 2.800 -0 .040 70 .100 0.141 -0 .00020 0.006 26. 20 0.030
90. 10 9.670 -0 .040 59 .700 0.215 -0 .00020 0.004 17 .20 0.040
122. 00 1.660 -0 .200 102 .000 0.099 -0 .00020 0.012 29. 90 -0.050
127. 00 0.620 -0 .090 109 .000 0.094 -0 .00020 0.013 31 .80 0.020
119. 00 0.190 -0 .090 109 .000 0.029 -0 .00020 0.013 36 .60 0.030
109. 00 0.770 -0 .040 109 .000 0.029 -0 .00020 0.011 44 .00 0.010
N N N N N N N N N
132. 00 0.070 -0 .040 116 .000 0.022 -0 .00020 0.011 43 .90 0.050
N N N N N N N N N
119. 00 O.OfiO -0 .040 119 .000 0.021 -0 .00020 0.012 39 .90 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
95 .30 0.060 -0 .020 55 .400 0.070 -0 .00100 0.007 16 .90 -0.010
N N N N N N N N N
N N N N N N N N N
127 .00 1.050 -0 .020 112 .000 -0.020 -0 .00100 0.012 60 .10 -0.010
N N N N N N N N N
150 .00 0.200 -0 .020 129 .000 -0.020 -0 .00100 0.014 44 .10 -0.010
N N N N N N N N N
N N N N N N N N N
193 .00 0.560 -0 .020 117 .000 N -0 .00100 0.011 57. 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
105 .00 8.540 -0 .020 76 .000 0.290 -0 .00100 0.008 22. fi0 0.050
Note: N -> No measurement