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 NH3 NO3.N02
Date pH Temp Conduct pH Conduct (180) 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. umha/cm mg/1 mg/1 mg/1 mg/1 mg/1 mg/1 mg/1 m g/1 mg/1 mg/1 mg/1 mg/1 mg/1 mg/1 mg/1 mg/1 mg/1
10/02/84 8.10 17 .0 1750 8.00 1790 1340 54.0 -0.020 356. 00 711 .00 -0.02 3.17 -0. 002 152. 00 O.B40 -0. 020 148. 000 0.170 -0. 00090 0.009 64 .00 0.025
11/01/84 8.00 10 .0 1800 7.50 1600 N 66.0 N N N N N N N N N N N N N N N
11/06/89 N N N 7.50 1600 N 66.0 N N N N N N N N N N N N N N N
11/16/89 N N N 8.10 1920 N 119.0 N N N N N N N N N N N N N N N
12/12/84 N N N 8.10 1990 N 126.0 N N N N N N N N N N N N N N N
02/22/85 N N N 8.10 1870 1780 64.0 0.100 402. 00 709 .00 -0.02 6.70 -0 .002 152. 00 1.170 -0 .020 155. 000 0.150 -0. 00050 0.007 70 .00 0.048
04/30/85 N 19 .0 N 8.20 1110 N 3700.0 N N N N N N N N N N N N N N N
05/31/85 N 7 .0 N 8.20 1580 1240 268.0 -0.020 314. 00 580 .00 0.06 5.68 0 .001 141. 00 1.560 -0 .020 145 .000 0.170 -0. 00050 0.008 45 .00 0.012
06/28/85 7.90 N 1675 7.90 2050 1960 68.0 -0.020 775. 00 788 .00 0.17 7.92 0 .001 168. 00 0.800 -0 .020 180 .000 0.090 -0. 00020 0.006 79 .00 0.005
07/08/85 7.60 N 1700 N N N N N N N N N N N N N N N N N N N
07/22/85 7.80 12 .0 1850 N N N N N N N N N N N N N N N N N N N
0]/29/85 N N N 7.80 2000 N 70.0 N N N N N N N N N N N N N N N
08/07/85 8.00 15 .0 1825 N N N N N N N N N N N N N N N N N N N
08/21/85 7.fi0 12 .0 1950 7.70 2170 N 8.0 N N N N N N N N N N N N N N N
09/06/89 6.80 9 .0 1825 N N N N N N N N N N N N N N N N N N N
09/1B/85 N 13 .0 N 8.00 1980 1650 15.0 -0.020 376. 00 8]7 .00 0.07 7.68 -0 .001 171 .00 0.150 -0 .020 189 .000 0.040 -0. 00020 -0.002 96 .00 -0.010
10/03/86 6.90 9 .0 1950 N N N N N N N N N N N N N N N N N N N
10/16/85 8.60 7 .0 1825 7.80 1910 N 12.0 N N N N N N N N N N N N N N N
10/2B/85 8.20 B .0 1875 N N N N N N N N N N N N N N N N N N N
10/30/85 N N N 8.10 1860 1506 29.0 -0.020 388. 00 840 .00 0.06 7.60 0 .002 190 .00 0.170 -0 .020 180 .000 O.OBO -0. 00020 O.OOJ 88 .00 -0.010
11/26/85 N 9 .0 N 7.50 1720 N 16.0 N N N N N N N N N N N N N N N
12/26/85 N 0 .0 N 7.90 1860 1570 50.0 -0.020 384. 00 834 .00 0.03 8.29 -0 .001 191 .00 0.340 -0 .020 177 .000 0.120 -0. 00020 0.011 81 .00 -0.010
O1/2B/B6 N 2 .0 N 8.00 1940 N 68.0 N N N N N N N N N N N N N N N
02/24/86 N B .0 N 8.30 1700 1278 420.0 0.350 34fi. 00 692 .00 0.02 5.80 0 .001 154 .00 1.150 -0 .020 142 .000 0.240 -0. 00010 0.017 66 .00 0.020
03/27/86 N 9 .0 N 8.00 1fi30 N 1230.0 N N N N N N N N N N N N N N N
04/29/86 N B .0 N 8.10 1220 N 1040.0 N N N N N N N N N N N N N N N
05/30/86 N 14 .0 N 8.00 1440 N 236.0 N N N N N N N N N N N N N N N
Ofi/17/Bfi 8.40 1fi .0 1550 8.10 1650 1340 128.0 O.OBO 355. 00 679 .00 -0.02 6.4fi 0 .001 151 .00 0.550 -0 .020 152 .000 O.OBO -0. 00020 O.Olfi fi0 .00 -0.010
Note: N -> No measurement