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 pH Tem p Conduct pH Conduct (180) TSS as P as CaC03 S09 as N as N As Ca Fe Pb Mg Mn Hg Se Na 2n
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
02/26/97 8.50 2 .1 10]0 8.30 13]1 N 18.0 0 .012 369 .00 450. 00 N 4.01 0. 001 121 .00 0.110 -0. 040 108. 000 0.017 -0 .00020 0.010 45. 90 0.040
03/19/97 8.50 4 .2 1066 8.30 1257 N 10.0 -0 .005 377 .00 450. 00 N 2.32 -0. 001 121 .00 0.090 -0. 040 103. 000 0.032 -0 .00020 0.011 39. 50 0.010
04/21/97 8.50 3 .7 869 8.30 943 N 170.0 0 .035 325 .00 260. 00 N 1.49 0. 001 101 .00 2.800 -0. 040 70. 100 0.141 -0 .00020 0.006 26. 20 0.030
05/20/9] 8.50 11 .5 684 8.30 810 N 372.0 0 .014 283 .00 170. 00 N 1.32 0. 002 90 .10 9.670 -0. 040 59. 700 0.215 -0 .00020 0.004 1]. 20 0.040
06/26/97 8.20 19 .9 1189 8.10 1240 N 100.0 0 .010 366 .00 400. 00 N 3.93 0. 001 122 .00 1.660 -0. 200 102. 000 0.099 -0 .00020 0.012 29. 90 -0.050
0]/09/9] 8.30 18. 9 1244 8.40 1320 N 30.0 -0 .005 396 .00 410. 00 N 4.78 0. 001 127 .00 0.620 -0. 040 109. 000 0.044 -0 .00020 0.013 31. 80 0.020
08/14/97 8.30 9. 7 1235 8.20 1400 1050 -5 .0 0 .010 400 .00 490. 00 0. 07 4.02 0. 001 119 .00 0.140 -0. 040 109. 000 0.029 -0. 00020 0.013 36. 60 0.030
09/11/97 8.30 19. 8 1103 8.20 1390 1020 -5.0 0 .018 354 .00 480. 00 O. Ofi 3.48 -0. 001 109 .00 0.3]0 -0. 040 109. 000 0.029 -0 .00020 0.011 44. 00 0.010
10/30/97 7.20 3 .4 1277 8.20 1250 N 48.0 N N N N N N N N N N N N N N N
11/18/97 9.40 3 .0 1138 8.10 1440 10]0 -5 .0 0 .020 413 .00 460. 00 -0. 05 3.80 0. 001 132 .00 0.070 -0. 040 116. 000 0.022 -0. 00020 0.011 41. 90 0.050
12/08/9] 8.30 4. 0 1120 8.30 1920 N -5 .0 N N N N N N N N N N N N N N N
01/06/98 8.20 N 1940 8.20 1930 1050 -5 .0 0 .012 403 .00 440. 00 0. 07 3.61 -0. 002 119 .00 0.060 -0. 040 119. 000 0.021 -0. 90020 0.012 39. 90 0.010
02/19/98 8.00 2 .6 1540 8.10 1530 N -5.0 N N N N N N N N N N N N N N N
03/06/98 7.40 N 3650 7.50 3600 N 8.0 N N N N N N N N N 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 N N N N N N N N N
04/27/98 B.fiO N 945 8.50 850 590 48.0 -0 .050 276 .00 173. 00 -0. 05 0.58 -0. 005 95 .30 0.060 -0. 020 55. 400 0.070 -0. 00100 0.00] 16. 90 -0.010
06/11/98 8.40 8 .9 638 8.20 1230 N 55.0 N N N N N N N N N N N N N N N
0]/06/98 8.50 22 .0 1950 8.40 1370 R 36.0 N N N N N N N N N N N N N N N
08/03/98 B.fiO 14 .0 1750 8.20 1550 1270 54.0 -0 .050 916 .00 574. 00 -0. 05 4.16 -0. 005 12] .00 1.050 -0. 020 112. 000 -0.020 -0. 00100 0.012 60. 10 -0.010
09/10/98 8.40 14 .2 169] 8.00 1460 N 11.0 N N N N N N N N N N N N N N N

10/08/98
8.50
12
.0
1809
8.30
1500
1310
12.0
-0
.050
215
.00
Sfi 9.
00
-0.
05
2.87
-0.
005
150
.00
0.200
-0.
020
129.
000
-0.020
-0. i
00100
0.019
44.
10
-0.010
11/05/98 9.20 10 .5 1721 7.90 1630 N -5 .0 N N N N N N N N N N N N N N N
12/14/98 8.20 0 .3 336] 7.70 1750 N 126.0 N N N N N N N N N N N ~ N N N N
01/07/99 8.60 3. 4 1981 8.20 1650 1300 14.0 -0 .050 90] .00 557. 00 -0. 05 3.55 -0. 005 143 .00 0.560 -0. 020 117. 000 N -0. 00100 0.011 5]. 10 -0.010
02/22/99 8.70 4 .0 1729 8.00 1640 N 11.0 N N N N N N N N N N N N N N R
03/03/99 8.60 5. 5 1950 7.90 1650 N 7.0 N N N N N N N N N N N N N N N
04/06/99 B. 18 N 1768 7.90 1690 N 5.0 N N N N N N N N N 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. 005 105 .00 8.540 -0. 020 76. 000 0.290 -0. 00100 0.008 22. 60 0.050
Note: N => No measurement