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

TABLE 24. WATER QUALITY IN RALSTON CREEK
1998 - 2007
STATION SW-PL
PL SW-PL SW-PL SW-PL
SW SW-PL SW-PL SW-PL SW-PL MIN MAX MEAN MEDIAN GOUrvi rvu rorvv
-
SW-PL SW-PL SW-PL
2/16/99 3/16/99 4/20/99 5/18/99 6/1 5/99 7/21/99 9/14/99
1 0/20/98 11 /24/98 12 /16/98 1/ 18199
7
6
7
4
8 7.4 8.1 7.76 7.75 10 0 0%
pH (std units) 7.9 8.1 7.6 7.4 8.1 7.8 7.7
282 .
143 .
152 426
143
501
322
339
10
0
0°b
Conductivity (umhos) 348 196 501 330 441 396
182 123 123 272 1
9 2 21 O
Total dissolved solids 214 119 370 212 274 272
55
5
9
7
16
17.3 1 55.5 10.8 3 10 0
Total suspended solids 3 <1. 1 3 1 .
1 . 110 180 140 135 4 0 0
Hardness, total 120 180 150 110 Na n/a Na Na 0 0 Na
Carbonate n/a Na Na n/a 0 0 n/a
Bicarbonate 58 g2 59 100 58 100 77 75.5 4 0 0°h
Alkalinity, Dissolved
76 58 58 120 90 94 8 0 0
Alkalinity, total 97 120 100 82 96
5
8 0
0 <o ; <0.5 0.8 <0.1 2.9 0.9 0.65 10 2 20
Nitrate Nitrogen 0.4 2.9 1.7 0.4 0.8 .
.
0
<1
<1
<1. 0 <1. 0.15 0 10 10 100%
Ammonia, total 0 0 0 0 0 0 .
14
.
32.5 34
14
40
30.2
31.75
8
0
0
Calcium 29 40 34 27 31 9
3 36.7 34.1 9.3 55 31.9 31.1 8 0 0
Sodium, dissolved 28 55 45 25 22 .
4
4 14.2 15.2 4.4 20 12.7 12.6 8 0 0
Magnesium, dissolved 11 20 16 10 11 .
1
1 2.4 2.3 1.1 2.9 2 2.35 8 0 0%
Potassium, dissolved 2.3 2.9 2.5 1.9 2.4 .
18
9
9
93 9.9 170 80.9 80.5 10 0 0%
Sulfate 65 170 140 70 96 91 56 . 0.4 0.6 0.5 0.5 5 0 0°.G
Fluoride, total 0.4 0.6 0.6 0.4 0.5
17
10
11
15 10 21 14.6 15 10 0 0
Chloride 21 15 15 11 15 16 Na Na Na Na 0 0 Na
Phosphorous 0 2 0.2 <0.5 0.24 0.25 5 4 80%
Aluminum, dissolved <0.5 <0.5 <0.5 <0.5
n/a
Na
n/a
n/a
0
0
n a
Aluminum, total 005
0 <0.006 <0.006 <0.006 <0.003 <0.03 0.0051 0.0035 8 6 75
Antimony, dissolved <0.03 <0.008 0.006 <0.003 . n/a n/a n/a n/a 0 0 n/a
Antimony, total 005
<0 <0.005 <0.005 <0.003 <0.05 0.0068 0.0025 5 5 100
°
Arsenic, dissolved <0.05 <0.003 . <0.003 <0.003 0.0015 0.0015 3 3 100
~
Arsenic, total <0.003 <0.003 <0.003
<0
1 <p.1
<0.1 0.03 <0.1 0.042 0.05 5 3 60
Barium, dissolved 0.03 0.03 . 0.03 0.03 0.03 0.03 3 0 0%
Barium, total 0.03 0.03 0.03
<0
001 < <0.001
001
0 <0.001 <0.002 0.0008 0.00075 8 8 100%
dissolved
Beryllium <0.001 <0.002 <0.002 <0.002 <0.002 . .
06
08 0
0 <0.05 <0.08 0.0550 0.06 3 1 33%
,
Boron, total <0.05
<0
001 .
. <0.0002 <0.002 0.000 0.0003 6 6 100
dissolved
Cadmium <0.002 <0.0002 <0.0002 < 0.0002 <0.001 . <0
005 <0.005 0.003 0.0025 6 6 100%
,
Chromium, dissolved <0.005 <0.005 <0.005 <0.005 <0.005 <0.005
<0.01 .
<0.01
<0.01
0.0050
0.005
1
1
100%
Cyanide, total Na n/a Na n/a 0 0 Na
Copper <0
005 <0.005 <0.005 <0.005 <0.02 0.01 0.01 7 7 100°~
Copper, dissolved <0.02 <0.02 <0.02 <0.02 .
n/a
Na
Na
n/a
0
0
n a
Capper, total 01 <0,1 <0.03 0.1 0.039 0.0275 6 4 67%
Iron, dissolved 0.04 <0.03 <0.03 <0.03 Na n/a n/a n/a 0 0 n/a
Iron, total n/a Na Na Na 0 0 n/a
Iron, suspended n/a n/a n/a n/a 0 0 n/a
Iron, Fertous (Fe2+) Na n/a n/a n/a 0 0 n/a
Iron, Ferric (Fe3+) 005
<0 <0.005 <0.005 <0.002 <0.05 0.0067 0.0025 5 5 100
dissolved
Lead <0.05 <0.002 . <0.002 <0.002 0.0010 0.001 3 3 100%
,
total
Lead <
0.002 <0.002 <0.002
<0.01 <0.01 0.005 0.005 5 5 100%
,
Manganese, dissolved <
0.01 <0.01 <0.01 <0.01 <0.01 Na n/a Na Na 0 0 n/a
Manganese, total <0.0002 0.0003 0.0002 0.0001 5 3 60%
Mercury, dissolved <0.0002 0.0002 <0.0002 <0.0002 0.0003 Na Na Na nla 0 0 n/a
Mercury, total
19
0 0.015 0.114 0.11 9 0.015 0.35 0.150 0.1165 8 0 0
Molybdenum, dissolved 0.108 0.35 0.21 0.09 . <001 <0.01 <0.0 1 <0.01 <0.04 0.0131 0.0150 8 8 100%
Nickel, dissolved <0.02 <0.04 <0.04 <0.04 <0.04
01
<0 < <0.0
0.01 1 <0.005 <0.05 0.0063 0.0038 8 8 100
Selenium, dissolved <0.05 <0.005 <0.005 <0.005 <0.005 .
<001 <0.0002 <0.01 0.0014 0.0003 6 6 100%
Silver, dissolved <0.005 <0.001 <0.0002 <0.0002 <0.0002 Na Na Na n/a 0 0 n/a
Silver, total <0
001 <0.001 <0.00 1 <0.001 <0.05 0.0036 0.0005 8 8 100%
Thallium, dissolved <0.05 <0.001 <0.001 <0.001 <0.001 .
<0
01 <0.005 <0.01 0.0046 0.005 6 6 100%
Vanadium, dissolved <0.005 <0.01 <0.01 <0.01 <0.01 . Na Na Na n/a 0 0 Na
Thallium, total
<0
01 <0.01 <0.0 1 <0.005 <0.01 0.004 0.0025 7 7 100 %
Zinc, dissolved <0.005 <0.005 <0.005 <0.005 . n/a Na Na n/a 0 0 n/a
Zinc, total
5
0032
0
0031
0
0038
0
0.0029 0.0021 0.0014
0.0014 0.0036
0.0014
0.0039
0. Na
0.00
0
0
Na
Uranium, dissolved 0.0039 0.003 . . . 0 0 Na
Uranium, suspended 0 0 Na Na 0 0 Na
Uranium, total 01 0 0.1 0.05 0.05 2 1 50%
Thorium-228, dis. (pCi/L) 0 0 1 0 0.1 0.05 0.05 2 1 50%
Thorium-230, dis. (pCi/L) 0 0 0 0 0.000 0 2 2 100
Thorium-232, dis. (pCi/L) 0 0 1 p 2 0.1 0.6 0.3 0.25 6 0 0%
Radium-226, dis. (pCi/L) 0.2 0.4 0.6 0.3 Na Na n/a n/a 0 0 n/a
Radium-226, susp. (pCi/L) Na Na Na Na 0 0 Na
Radium-226, total (pCi/L) 1 1 2 2 1.1 19 6.08 2.4 5 0 0
Gross Alpha, dis. (pCi/L) 2.4 5.7 19 <5 <5 2,q 6 3.4 2.5 5 2 40%
Gross Beta, dis. Ci/L 2.4 3.6 6
NOTES: Mean and median statistic calculated using one-half detection limit (1/2 D.L.
ND = number of non-detects
Results are in mg/L unless otherwise noted
Page 9 of 25 WheatoneAssociates•