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 Field Field Field Lab Lab TDS Phosph. Bica rb NH] N03 .N02
Date pH Temp Conduct pH Conduct (180) TSS as P as CaC03 504 as N as N A5
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
04/01/96 8.79 6.0 2150 ].90 IB00 1300 222.0 N N N N N N
OS/Ofi /96 8.10 11.0 1477 8.10 1916 1010 96.0 0.105 40fi. 00 430 .00 0.09 0.90 0. 001
06/03/96 7.96 19.0 1600 8.70 196] N 3fi .0 N N N N N N
07/01/96 8.15 17.0 1565 8.20 1625 1230 29.0 0.009 926. 00 590 .00 -0.05 1.17 -0. 001
08/08/96 8.20 11.8 1664 8.30 1]09 N 12.0 N N N N N N
09 /26/9fi 8.70 7.6 1411 8.00 1886 N 30.0 -0.005 991. 00 690 .00 N 0.69 0. 001
10/03/96 7.90 16.0 2900 8.10 2036 N 16.0 0.013 904. 00 660 .00 N 0.51 0. 001
11/19/96 8.40 4.4 1340 8.30 1623 N -6.0 -0.009 442. 00 630 .00 N 0.61 0. 001
12/18/96 8.10 -0.6 1893 7.90 1937 N -6.0 0.009 503. 00 600 .00 N 1.43 0. 001
01/19/9] 8.30 0.2 1fi 20 8.20 1699 N 6.0 0.012 440. 00 fi10 .00 N 1.95 -0. 001 .
02/26/97 8.50 0.7 1328 8.20 1681 N 12.0 0.014 436. 00 610 .00 N 1.70 -0. 001
03/19/9] 8.90 5.6 1220 8.20 1446 N -6.0 0.006 410. 00 560 .00 N 1.16 -0. 001
04/21/97 8.30 5.7 1062 8.20 1170 N 28.0 0.025 366. 00 400 .00 N 1.14 -0. 001
05/20/97 8.30 12.0 836 8.20 1020 N 88.0 0.011 317. 00 260 .00 N 1.05 0. 002
06/26/97 8.10 19.8 1779 8.10 1940 N 66.0 0.016 420. 00 400 .00 N 2.11 0. 002
07/09/97 8.30 18.2 1387 8.40 1490 N 20.0 -0.005 426. 00 990 .00 N 2.49 0. 001
OB/19 /97 8.30 12.4 1922 8.30 15]0 1160 22.0 0.018 420. 00 510 .00 O.OB 1.79 0 .002
09/11/97 8.20 16.fi 1391 8.70 1620 1220 30.0 0.027 405. 00 560 .00 0.10 1.69 0 .001
10/30/97 7.40 3.9 1656 8.10 1990 N 28.0 N N N N N N
11/1B/9] 9.30 5.0 1393 8.10 1fi 60 1180 62.0 0.0]0 451. 00 570 .00 0.07 2.15 -0 .001
12/08/97 8.00 2.0 1778 8.20 1650 N -6.0 N N N N N N
01/06/98 8.00 0.3 1890 8.00 1880 1410 -S.0 0.013 529. 00 670 .00 0.08 1.86 -0 .001
02/19/98 8.10 N 1800 8.10 1790 N -6.0 N N N N N N
03/06/9B 8.30 N 1850 8.10 1800 N -6.0 N N N N N N
04/09/98 8.20 N 1990 8.20 1950 N 22.0 N N N N N N
04/2]/98 N N 1962 8.40 11]0 780 172.0 -0.050 73fi . 00 293 .00 -0.05 1.71 -0 .005
06/11/98 B.fiO 8.7 1551 8.20 1370 N 114.0 N N N N N N
07 /Ofi/98 8.40 21.0 1589 8.30 1520 N 67.0 N N N N N N
Ca Fe Pb Mg Mn Ng 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
20. 00 1.950 -0. 020 116. 000 0.213 -0. 00020 0.009 54 .00 0.090
N N N N N N N N N
23 .00 0.790 -0. 020 132. 000 0.192 -0. 00020 0.006 58 .20 0.030
N 0.390 N N N N N N N
35 .00 0.370 -0. 090 152 .000 0.160 -0. 00020 0.004 89 .40 0.020
23 .00 0.370 -0 .040 155 .000 0.190 -0. 00020 0.004 115 .00 0.020
45 .00 0.400 -0 .040 150 .000 N -0. 00020 0.004 94 .60 0.030
98 .00 0.200 -0 .040 151 .000 0.162 -0. 00020 0.007 80 .70 0.010
42 .00 0.150 -0 .040 199 .000 0.124 -0. 00020 0.008 75 .40 0.010
39 .00 0.260 -0 .040 137 .000 0.099 -0. 00020 0.006 66 .70 0.020
29 .00 0.190 -0 .040 125 .000 0.075 -0. 00020 0.007 56 .20 0.020
08 .00 0.680 -0 .040 95 .300 0.077 -0. 00020 0.005 4fi .90 0.030
96 .60 2.250 -0 .090 ]6 .600 0.135 -0. 00020 0.004 31 .40 0.020
29 .00 1.350 -0 .090 116 .000 0.150 -0. 00020 0.008 48 .40 0.020
33 .00 0.730 -0 .090 121 .000 0.096 -0. 00020 0.009 51 .20 0.020
15 .00 0.430 -0 .040 116 .000 0.132 -0. 00020 0.008 59 .90 0.030
21 .00 1.560 -0 .040 128 .000 0.166 -0. 00020 o.ooe 64 .70 0.020
N N N N N N N N N
44 .00 1.540 -0 .090 137 .000 0.135 -0. 00020 0.007 64 .80 0.090
N N N N N N N N N
35 .00 0.170 -0 .040 138 .000 0.151 -0. 00020 0.007 106 .00 -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
13 .00 4.270 -0 .020 78 .fi00 0.160 -0. 00100 -0.005 30 .90 -0.010
N N N N N N N N N
N N N N N N N N 1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
N
Note: N •a No measurement