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 NO3 •N02
Date pH Temp Conduct pH Conduc[ (1 BO) TSS as P as CaC03 504 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/7 m g/1
09/19/68 8.20 11.0 1880 7.70 1810 N 14.0 N N N N N N N N N N N N N N N
10/12/88 7.50 9.0 1670 8.00 1750 1508 14.0 0.020 906. 00 807. 00 0.12 N -0. 001 164. 00 0.280 -0. 020 101. 000 0.110 -0. 00010 0.009 79. 00 -0. 010
11/30/88 N N N 7.70 1750 N 14.0 N N N N N N N N N N N N N N N
12 /06/BB N N N 7.70 1860 N 30.0 N N N N N N N N N N N N N N N
02/22/89 N N N 7.80 1800 1480 10.0 0.097 390. 00 761. 00 0.11 N 0. 001 158 .00 0.260 -0. 020 173. 000 0.130 -0. 00010 0.013 67. 00 0. 010
03/30/89 N N N 7.90 1120 N 6.0 N N N N N N N N N N N N N N N
05/01/89 N N N 7.70 1640 1294 32.0 0.044 330. 00 663. 00 0.10 N -0. 001 145 .00 0.350 -0. 020 151. 000 0.090 -0. 00010 0.009 59. 00 -0. 010
OS/2fi/89 8.04 N 1966 7.80 2000 1626 16.0 0.032 378. 00 850. 00 0.16 N -0. 001 193 .00 0.510 -0. 020 202. 000 0.130 -0. 00010 0.012 N -0. 010
07/27/09 B. 1B N 1893 8.10 1920 1628 40.0 0.114 400 .00 848 .00 -0.01 N -0. 001 177 .00 0.280 0. 140 185. 000 0.110 -0. 00010 0.007 88. 00 -0. 010
10/04/89 8.26 N 2260 8.30 2090 1804 16.0 0.049 458 .00 897 .00 0.09 N -0. 001 110 .00 0.490 0 .020 117. 000 0.160 -0. 00010 0.030 131. 00 0. 010
12/04/89 N N N 8.20 2200 1834 14.0 0.030 984. 00 945 .00 2.26 N -0. 001 202 .00 0.780 -0 .020 226. 000 0.210 -0. 00010 0.007 99. 00 -0. 010
12/28/89 N N N B. 00 2150 1738 6.0 0.030 492 .00 906 .00 0.29 N -0. 001 208 .00 1.320 -0 .020 212. 000 0.180 0. 00010 0.015 97. 00 -0. 010
02/28/90 N N N 8.10 1820 1579 4.0 0.014 418 .00 796 .00 0.15 4.30 -0. 001 200 .00 0.360 0 .020 210. 000 0.180 -0. 00100 0.004 79. 00 -0. 010
03/27/90 N N N 8.30 1450 1959 16.0 0.023 376 .00 747 .00 -0.05 2.90 0. 004 165 .00 0.310 -0 .020 185. 000 0.070 0. 00010 0.005 76. 00 -0. 010
04/30/90 N N N 8.20 1920 1616 8.0 0.013 422 .00 833 .00 0.12 2.40 -0. 001 166 .00 0.350 -0 .020 167. 000 0.090 -0. 00010 0.008 79. 00 -0. 010
05/30/90 7.01 N 1799 8.10 1870 N 10.0 N N N N N N N N N N N N N N N
06/29/90 8.15 N 2140 7.90 1970 N 12.0 N N N N N N N N N N N N N N N
07/19/90 8.51 N 2090 8.30 1960 N 14.0 N N N N N N N N N N N N N N N
08/09/90 8.6fi 15.0 2140 8.00 2040 1790 16.0 0.027 517 .00 891 .00 -0.05 0.35 0 .002 181 .00 0.340 0 .050 163. 000 0.120 -0 .00010 0.004 100. 00 -0. 010
09/05/90 N N N 7.90 1950 N B.0 N N N N N N N N N N N N N N N
09/21/90 N N N 7.90 2180 N 8.0 N N N N N N N N N N N N N N N
11/09/90 N N N 8.10 2120 1748 24.0 0.057 442 .00 912 .00 0.09 1.21 0 .003 160 .00 0.840 -0 .020 168 .000 0.160 -0 .00010 ~-0.001 90. 00 -0. 010
02/25/91 N N N 8.90 1810 1678 8.0 -0.010 390 .00 044 .00 0.23 2.61 -0 .001 166 .00 0.210 -0 .020 170 .000 0.110 -0 .00010 0.006 79. 00 -0. 010
03/28/91 N N N 7.90 2140 N 18.0 N N N N N N N N N N N N N N N
04/16/91 N N N 7.90 1750 N 1B .0 N N N N N N N N N N N N N N N
05/17/91 N N N 8.10 17fi0 1386 8.0 0.040 375 .00 691 .00 0.11 1.22 0 .002 195 .00 0.290 -0 .020 135 .000 0.070 -0 .00010 0.005 55 .00 -0. 010
06/26/91 N N N 7.70 1990 N 12.0 N N N N N N N N N N N N N N N
07/23/91 N N N 7.90 1540 N 36.0 N ~ N N N N N N N N N N N N N N
Note: N » No measurement