REP25108

• Permit No: C1981019
• IBM Index Class Name: Report
• Doc Date: 3/30/1997
• Doc Name: 1996 ARR & AHR EXHIBIT 1 CREEKS SURFACE WATER INFORMATION
• Permit Index Doc Type: ANNUAL RECLAMATION REPORT
• Media Type: D
• Archive: No

Colowyo Mine
Station: LTC
FIELD MEASUREMENTS
Field pH (S.U.)
Field Temperature (deg [)
Field Conductivity (umho/cm)
LABORATORY MEASUREMENTS
pH (S.U.)
Conductivity (umho/cm)
TDS (180 deg C) (mg/l)
Total Suspended Solids (mg/l)
Phosphate as P (mg/L)
Bicarbonate as CaC03 (mg/l)
Sulfate (mg/l)
Ammonia Nitrogen as N (mg/L)
Nitrate + Nitrite as N (mg/l)
Arsenic
Calcium
Iron
Lead
Magnesium
Manganese
Mercury
Selenium
Sodium
Zinc
(mg/t)
(mg/l)
(mg/l)
(mg/L)
(mg/l)
(mg/l)
(m9/L)
(mg/l)
(mg/L)
(mg/l)
Sid Ccef Maximum Minimun Max Yalue Min Value q of
Mean Dev Ver Range Value Value Found Found Samp
8.27 0.37 4 1.90 9.30 7.40 08/12/83 06/28/85 54
11.1 6.1 55 25.0 25.0 0.0 06/18/87 02/12/87 65
1643 377 23 1645 2620 975 10/03/96 06/15/83 52
8.1 0.3 3 1.6 8.6 7.0 10/05/89 02/22/89 92
1533 404 26 2130 2330 200 11/29/95 02/28/90 92
1103 349 32 1786 1930 144 10!05!89 02!28/90 46
655.4 2430.2 371 20582.0 20584.0 2.0 03/01/88 11/30/88 91
5.485 29.964 546 184.995 185.000 0.005 03/31/88 09/13/95 38
287 73 25 330 406 76 03/31/88 02/28/90 38
529 229 43 1709 1128 19 10/05/89 02/28/90 38
0.08 0.06 80 0.22 0.24 0.02 02/28/90 06/15/83 35
1.74 1.68 96 4.93 4.95 0.02 06/28/85 11/09/90 30
0.003 0.005 171 0.027 0.028 0.001 03/01/88 05/31/85 37
93.9 26.1 28 106.0 134.0 28.0 02/24/86 02/22/89 38
6.675 22.239 333 131.990 132.000 0.010 02/28/90 09/13/95 41
0.04 0.06 147 0.28 0.30 0.02 02/28/90 06/15/83 38
117.8 48.8 41 230.0 238.0 8.0 10/12/88 02/28/90 34
0.537 1.477 275 7.845 7.850 0.005 03/01/88 09/13/95 37
0.0004 0.0004 95 0.0009 0.0010 0.0001 03/31/83 02/24/86 38
0.008 0.014 189 0.089 0.090 0.001 02/25/91 02/22/89 38
91.6 36.0 39 168.0 174.0 6.0 10/05/89 02/28/90 38
0.078 0,168 215 0.795 0.800 0.005 02/28/90 • 06/15/83 38