PERMFILE57005

• Permit No: C1980005A
• IBM Index Class Name: Permit File
• Doc Date: 5/20/2005
• Section_Exhibit Name: Tab 7 Hydrology
• Media Type: D
• Archive: Yes

•
Table 7-13. Chemical Analysis of Groundwater
From Spoil Materials
Seneca II Mine, Routt County, Colorado
Well No.
Aquifer: Wadge Spoil
Date of Collection
Analysist GW-S25

7/31/80
U.S,G.S. GW-S25

2/2/81
U.S.G.S. GW-S26

7/31/80
U.S.G.S. GW-S26

12/11/80
U.S.G.S GW-S27

7/31/80
U.S.G.S. GW-S27

12/11/80
U.S.G,S. GW-527

2/2/81
U.S.G.S.
FIELD PARAMETERS
Temperature (°C) 11.5 10.0 11.5 13.5 11,5 13.0 11.0
Conductivity (umhos/cm @ 25° C) 5400.0 400.0 3000.0
pH (units) 7.0 7,0 7.8 8.7 7,4 8.1 7,4
LABORATORY PARAMETERSI
V
Acidity (as CaC03)2
Alkalinity (as CaC03) 700.0 230.0 377,0 330,0 390.0
Alkalinity, Bicarbonate (as CaC03) 460.0 476.0
Alkalinity, Carbonate (a s CaC03) 0.0
Aluminum, Total 0.010 0.010 0.000
Aluminum, Dissolved ,008 .040 .010 .008
Antimony '
Arsenic 0.002 .003 0.002 .002 0.001 .001 .001
Barium
Boron 0.540 .760 0.270 .310 0.210 .190 .220
Cadmium 0.000 0.000 0.000 .001 0.000 .001 .001
Calcium 520.0 560.0 240.0 300.0 260.0 320.0 280.0
Chloride 17,0 11.0 18.0 15.0 17.0 34.0 21.0
Chromium
z Conductivity (umhos/cm @ 25° C) 4621.0 4000.0 2720.0 3020,0 2700.0 3180.0 2550,0
~ Copper 0.011 0.000 0.001 .003 0.003 .002 .002
~; Fluoride 0.4 .1 0.5 0.3 0.5 .3 .3
a Hardness, Total 2700.0 2900.0 1400.0 1600.0 1400.0 1800.0 1400.0
u, Hardness, Non-carbonate 2000.0 2200.0 1200.0 1200.0 1100.0 1400.0 150.0
Hydroxide
~ Iron, Total 590.000 3.100 0.110 4.900 3.800 .520 5.200
°~° Iron, Dissolved 0.120 .120 0.070 .170 0.050 .180 .030
Table 7-13 continued on next page.