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-OS
uctivity (umhos)
dissolved solids
Nitrate NiVogen
Ammonia, total
Calcium
Sodium, dissolved
Magnesium, dissolved
Potassium, dissolved
Sulfate
Fluoride. total
mtimany, dissolved
mtimony, total
trsenic, dissolved
trsenic, total
3arium, dissolved
3arium, total
3eryllium, dissolved
3oron, total
:admium, dissolved
;hromium, dissolved
cyanide total
popper
popper, dissolved
popper, total
ron, dissolved
Iron, total
Iron, suspended
Iron, Ferrous (Fe2+)
Iron, Ferric (Fe3+)
Lead, dissolved
Leatl, total
Manganese, dissolved
Manganese, total
Mercury, dissolved
Merwry, total
Molybdenum, dissolved
Nickel, dissolved
Selenium, dissolved
Silver, dissolved
Silver, total
Thallium, dissolved
Vanadium, dissolved
Thallium, total
Zinc, dissolved
Zing total
Uranium, dissolved
Uranium, suspended
Uranium. total
m-232, dis. (pCi/L)
n-226, dis. (pCi/L)
n-226, susp. (pCUL
n-226, total (pCilL)
Alpha, dis. (pCi/L)
Beta. dis. (oCi/U
)/98 1124/98 12/16/98 1/18199 zne/99 a/zwaa onnna ~~~ ~~~ '-- --
8 8.1 7.5 7.3 8.3 7.8 7.1 7.2 7.5 7.4 8
481 217 502 360 612 281 138 143 188 154 406
300 134 346 219 401 178 120 116 139 117 270
q 1 <1. <1. <t. 232 4 4 10.7 10.3 24.5
150 180 150 120
64 42 43 60
110 120 110 84 120 64 42 43
0.4 2.5 1.7 0.8 1.7 0.5 <0.1 <0.1
0 0 0 0 0 0 <t. <1. <i.
35 40 34 28 41 14.1 14.5
44 54 44 28 45 9.1 9.3
15 20 16 11 15 4.4 4.5
2.8 2.9 2.5 2 3 1.2 1.1
110 170 130 77 160 55 17 18 21
0.6 0.6 0.6 0.5 0.7
19 13 14 13 18 12 10 10 12
<0.5 <0.5 <0.5 <0.5 0.3 0.3
<0.008 0.005 <0.003 <0.003 <0.006 <0.006
<0.03
<0.05 <0.003 <0.005 <0.005
<0.003 <0.003 <0.003
0.04 0.04 <0.1 <0.1
0.03 0.03 0.03
<0.002 <0.002 <0.002 <0.002 <0.001 <0.001
<0.001 <0.05
<0.05
<0.002 <0.0002 <0.0002 <0.0002 <0.001 <0.001 <0.001
<0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005
<0.02 <0.02 <0.02 <0.005 <0.005
<0.02
0.04 <0.03 <0.03 <0.03 _ 0.2 0.2
<0.002 <0.002 <0.002
<0.01 <0.01 <0.01 <0.01 <0.01 <0.01
0.201 0.35 0.21 0.12 0.33 0.013 0.015
<0.02 <0.04 <0.04 <0.04 <0.04 <0.01 <0.01
<0.05
<0.005
<0.005 <0.005 <0.005
<0.01
<0.01
<0.005 <0.001 <0.0002 <0.0002 <0.0002 <0.01 <0.01
<0.05 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001
<0.005 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01
<0.005 <0.005 <0.005 <0.005 <0.01 <0.01
0.0046 0.0049 0.0052 0.0036 0.0053 0.0052 0.0014 0.0015 O.OC
0 0 0

0.2 <0.1 0
0.1 0 0.1
0.3 0.4 0.9 0.2 0.2 0.1
3.3 3.4 5.5 5.9 1.6 1.6
2.2 1.9 0.9 1.9 <5. <5.

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 10 of 25
7.1 8.3 7.7 7.5 11 u u~r
138 612 317 281 11 0 0%
116 401 213 178 11 0 0%
<1. 232 26.5 4 11 3 27%
120 180 150 150 4 0 0%
Na Na Na Na 0 0 n/a
n/a n/a Na n/a 0 0 n/a
l0 100 <42. <100. 68.17 62 6 0 0%
<42. <120. 86.6 97 8 0 0%
<0.5 <0.5 <0.1 2.5 0.8 0.45 10 4 40%
1. <1. 0 1 0.227 0 11 11 100 %
32.2 34.5 14.1 <41. 30.4 34 9 0 0%
34.2 33.7 9.1 54 33.5 34.2 9 0 0%
13.6 15.1 4.4 20 12.7 15 9 0 0 %
27 23 1.1 3 2 2.5 9 0 0%
1.2 85 6.2 170 77 77 11 0 0%
0.5 0.7 0.6 0.6 5 0 0%
12 14 10 19 13.4 13 11 0 0%
Na Na Na n/a 0 0 n/a
0.3 <0.5 0.267 0.25 6 4 67
Na n/a n/a n/a 0 0 Na
<0.006 <0.006 <0.003 <0.03 0.0043 0.003 9 8 89%
n/a n/a Na Na 0 0 n/a
<0.005 <0.005 <0.003 <0.05 0.006 0.0025 6 6 100%
<0.003 <0.003 0.0015 0.0015 3 3 100%
<0.1 <0.1 0.04 <0.1 0.047 0.05 6 4 67%
<0.03 <0.03 0.03 0.03 3 0 0
<0.001 <0.001 <0.001 <0.002 0.0007 0.0005 9 9 100%
0.06 0.06 <0.05 0.06 0.0425 0.0425 4 2 50%
<0.0002 <0.002 0.000 0.0005 7 7 100%
<0.005 <0.005 0.003 0.0025 7 7 100
<0.01 <0.01 <0.01 0.0050 0.005 1 1 100%
n/a n/a n/a Na 0 0 n/a
<0.005 <0.005 <0.005 <0.02 0.01 0.00625 8 8 100%
Na n/a n/a Na 0 0 n/a
<0.1 <0.03 0.2 0.076 0.04 7 4 57 %
n/a n/a n/a Na 0 0 n/a
n/a Na n/a n/a 0 0 Na
Na n/a n/a Na 0 0 n/a
n/a n/a n/a n/a 0 0 n/a
<0.005 <0.005 <0.002 <0.05 0.006 0.0025 6 6 100%
<0.002 <0.002 0.0010 0.001 3 3 100%
<0.01 <0.01 0.005 0.005 6 6 100%
n/a Na n/a Na 0 0 n/a
<0.0002 <0.0002 0.0001 0.0001 5 5 100
n/a Na n/a n/a 0 0 n/a
0.104 0.121 0.013 0.35 0.163 0.121 9 0 0%
<0.01 <0.01 <0.01 <0.04 0.012 0.01 9 9 100
<0.01 <0.01 <0.005 <0.05 0.0061 0.005 9 9 100
<0.0002 <0.01 0.0019 0.0005 7 7 100
Na Na n/a n/a 0 0 Na
<0.001 <0.001 <0.001 <0.05 0.0032 0.0005 9 9 100
<0.005 <0.01 0.0046 0.005 7 7 100%
n/a n/a Na Na 0 0 n/a
<0.01 <0.01 <0.005 <0.01 0.004 0.00375 8 8 100%
n/a Na Na n/a 0 0 Na
1019 0.003 0.0014 0.0053 0.004 0.0036 11 0 0%
n/a n/a Na n/a 0 0 Na
Na n/a n/a Na 0 0 n/a
0 0 0 0 3 0 0%
0 0.2 0.083 0.05 3 1 33%
0 0.1 0.067 0.1 3 0 0%
0.3 <0.1 <0.9 0.343 0.3 7 0 0%
n/a n/a n/a Na 0 0 n/a
n/a n/a Na n/a 0 0 Na
1.7 <1.6 5.9 3.3 3.3 7 0 0%
_~ n o <6 7 1 2.2 7 3 43%
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