2007-11-07_HYDROLOGY - M1977300

• Permit No: M1977300
• IBM Index Class Name: HYDROLOGY
• Doc Date: 11/7/2007
• Doc Name: Hydrologic evaluation of mine closure & reclamation
• From: Whetstone Associates
• To: Cotter Corpoartion
• Media Type: D
• Archive: No

Schwartzwalder Mine -Hydrologic Evaluation of Mine Closure and Reclamation 87
Table 25. Comparison of Water Quality with Location in Ralston Creek, November 1998
PararneterName SW-UP SW-UC SW-AWD SW-A001 SW-BDIS SW-PL SW-OS SW-BOS SW-GS SW-t3PL sw-rttxt; sw-nxn SW-LLttV
11/24/98 11/24/98 11/19/98 11/19/98 11/24/98 11/24/98 11/24/98 11/23/98 11/23/98 11/19/98 11/19/98 11/19/98 11/19/98
pH 8 8 8.3 8.5 8.1 8.1 8.1 8.l 8 8.7 8.2 8.5 8.3
Conductivity 500 598 192 192 597 196 217 467 376 478 354 511 482
Total diss
solids 400 388 128 137 394 119 134 309 245 322 232 355 302
.
Total sus .solids <l, <l. 1410 <l. <l. <l. 1 3 1 3 <l. 2 2
total
Hardness 81 81 78 79 180 180 180 150 120 150 120 160 160
,
Bicarbonate (talc) 117 101 100 95 146 146 146 122 171 122 122 118 122
Alkalinity, total 96 83 82 78 120 120 120 100 140 100 100 97 100
Nitrate Nitro en <0.1 <0.1 0.5 <0.1 2.5 2.9 2.5 1.8 0.8 1.8 0.9 1.8 1.8
Calcium
diss. 23 23 22 23 40 40 40 34 29 35 28 37 36
,
Sodium
diss. 8 8 9 9 54 55 54 39 29 38 26 42 38
,
dirs.
Magnesium 5.8 5.7 5.7 5.6 20 20 20 15 1 I 16 12 18 16
,
Potassium, diss. 1.3 1.4 1.4 1.4 2.9 2.9 2.9 2.4 2 2.5 2 2.5 2.5
Sulfate 14 13 12 12 160 170 170 120 79 120 72 130 130
Fluoride
total 0.3 0.3 0.3 0.3 0.6 0.6 0.6 0.5 0.5 0.5 0.4 0.5 0.5
,
Chloride 11 II 13 13 16 15 13 13 14 15 II 14 16

diss.
Aluminum
<0.5
<0.5
<0.5
<0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.6 <0.5
,
Antimony, diss.
<0.008
<0.008
<0.008
<0.008
<0.008
<0.008
<0.008
<0.008
<0.008
<0.008 <0.008 <0.008 <0.008
diss.
Arsenic
<0.003
<0.003
<0.003
<0.003
<0.003
<0.003
<0.003
<0.003
<0.003
<0.003
<0.003
<p.003
<0.003
,
diss.
Barium 0.04 0.04 0.03 0.03 0.04 0.03 0.04 0.04 0.04 0.03 0.03 0.04 0.03
,
Beryllium, diss. <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002

Cadmium diss.
<0.0002
<0.0002
<0.0002
<0.0002
<0.0002
<0.0002
<0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002

diss.
Chromium
<0.005
<0.005
<0.006
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005 <0.005 <0.005 <0.005
,
Co r diss. <0.02 <0.02 <0.02 <0.02
<0.02
<0.02
<0.02
<0.02
<0.02
<0.02
<0.02
<0.02
<0.02
diss.
Iron <0.03 0.04 <0.03 <0.03 <0.03 <0.03 <0.03 <0.03 <0.03 <0.03 <0.03 <0.03 <0.03
,
diss.
Lead
<0.002
<0.002
<0.002
<0.002
<0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002
,

Manganese, diss.
<0.01
<0.01
<0.01
0.01
<0.01
<0.01
<0.01
<0.01
<0.01
0.01 <0.01 <0.01 <0.01

Mercu diss.

<0.0002

0.0005

<0.0002

<0.0002

<0.0002

0.0002

<0.0002

<0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002
Molybdenum,
diss
<0.01
<0.01
<0.01
<0.01
0.35
0.35
0.35
0.23
0.22
0.22
O.12
0.24
0.21
.
Nickel
diss. <0.04 <0.04 <0.04 <0.04 <0.04 <0.04 <0.04 <0.04 <0.04 <0.04 <0.04 <0.04 <0.04
,
Selenium
diss.
<0.005
<0.005
<0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005
,
Silver
diss.
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001 <0.001 <0.001 <0.001 <O.OOI <0.001
,
Thallium diss.
<0.001
<0.001
<0.001
<0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <O.OOI <0.001 <0.001 <0.001

diss.
Vanadium
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01 <0.01 <0.01 <0.01 <0.01
,
diss
Zinc <0
005 <0
006 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005
.
,
Uranium
diss.
.
0.0028
.
0.0031
0.0038
0.0157
0.0034
0.0035
0.0049
0.0075
0.0062
0.0062
0.0062
0.0103
0.0169
,
diss.
Radium-226 0.2 0.2 0.3 0.5 0.5 0.4 0.4 0.3 0.9 0.6 0.4 0.8 0.9
,
Gross Alpha
diss. 2.9 3.3 3.1 12 4.1 5.7 3.4 5.7 7.6 7.1 5.7 9.2 13
,
Gross Beta, diss. 0.9 2.1 <0.3 5.8 4 3.6 1.9 2.9 L5 3.6 3.8 3.6 8.5
NOTES: Results in mg/L except gross alpha and gross beta (pCi/L), specific conductance (umhos/cm), and pH (standard units, -log H`).
4109B.071116 Whetstone Associates