2009-08-10_GENERAL DOCUMENTS - M1977300 ‎(2)‎

• Permit No: M1977300
• IBM Index Class Name: GENERAL DOCUMENTS
• Doc Date: 8/10/2009
• Doc Name: EPP- pgs. 9-30 to 11-10
• From: Whetstone Associates/Cotter Corp.
• To: DRMS
• Permit Index Doc Type: Gen. Correspondence
• Email Name: DB2
• Media Type: D
• Archive: No

TABLE 11-7. WATER QUALITY IN RALSTON CREEK
1998 - Jan 2009
STATION SW-DIS001
•
0 Lead, total -0.002 0.003 <0.0 <0.002 0.05 0.00967 0.003 3 2 67%
DI5001 DIS001 DIS001 DIS001 DIS001 DIS001 DIS001 DIS001 DIS001 DIS001 DIS001 MIN MAX MEAN MEDIAN COUNT NO %ND
11/19/98 12/17/98 1/19/99 3/15/99 4/19/99 5/17/99 6/14/99 7/14/99 9/14/99 328/01 1029/04
pH (std units) 8.7 7.8 7.8 7.9 8 7.9 8 8.1 7.8 8.7 8.0 7.95 8 0 0%
Conductivity (umhos) 1460 1400 1420 1410 1310 1180 138 1350 138 1460 1209 1375 8 0 0%
Total dissolved solids 1090 1060 1030 1050 927 866 870 953 445 445 1090 921 953 9 0 0%
Total suspended solids 4 1 3 0 14.5 0 <10. <10. <0. -14.5 4.1 3.5 8 2 25%
t
tal
H
d 430 390 400 390 430 407 400 3 0 0%
ar
ness,
o 0 0
Carbonate
146
146
146
146
146
1
0
0%
Bicarbonate
180
170
180
210
070.
-210.
185
180
4
0
0%
Alkalinity, Dissolved
Alkalinity
total 190 230 210 190 180 170 119 119 230 184.1 190 7 0 0%
,
Nitrate Nitrogen 7.7 6.3 5.4 4.6 4.6 <0.1 2.9 2.9 <0.1 <7.7 4.31 4.6 8 1 13%
t
l
i
t 1 0 0 0 0 <1. <1. <1. 0 <1. 0.31 0.25 8 3 38%
Ammon
o
a
a, 80 77 74 77.5 73.9 78.9 34.1 66.8 34.1 80 70.3 75.5 8 0 0%
Calcium
dissolved
Sodium 150 160 160 132 160 165 13.5 27.2 13.5 165 121 155 8 0 0%
,
Magnesium
dissolved 56 49 52 42.9 47.6 54.8 11.8 11.8 56 44.9 49 7 0 0 %
,
dissolved
Potassium 6.4 6.3 6.4 5.5 5.9 6.5 1.8 1.8 6.5 5.54 6.3 7 0 0%
,
Sulfate 560 510 520 510 440 420 430 470 63.2 176 63.2 560 410 455 10 0 0%
total
Fluoride 1.5 1.5 1.5 1.5 1.5 1.5 1.5 3 0 0%
,
Chloride 25 28 29 29 34 23 26 27 18.1 27 18.1 34 26.6 27 10
0 0
0 0%
Phosphorous
dissolved
Aluminum
<0.5
<0.5
<0.5
<0.1 <p.2 <0.2 0,1 0.5 0.16667 0.175 6 6 100%
, <0.1 0.1 0.1 0.05 0.05 1 1 100%
Aluminum, total
dissolved
Antimony 0.018 0.014 0.018 0.01 0.013 0.021 <0.001 <0.001 <0.001 <0.021 0.0119 0.014 8 2 25%
,
Antimony, total
dissolved
Arsenic

-0.003

0.007

<0.005

<0.005 -0.05 0.05

0.003 0.05

0.007 0.025

0.0034 0.025

0.0025 1

4 1

3 100%

75%
,
Arsenic
total -0.003 -0.003 -0.001 0.001 0.003 0.00117 0.0015 3 3 100%
,
Barium
dissolved 0.04 <0.1 <0.1 <0.1 0.04 0.1 0.0475 0.05 4 3 75%
,
Barium
total 0.04 0.04 0.04 0.04 0.04 0.04 2 0 0%
,
dissolved
Beryllium <0.002 <0.002 <0.002 0.002 <0.001 <0.001 0.001 0.002 0.001 0.001 6 5 83%
,
total
Boron 0.25 0.31 0.29 0.25 0.31 0.28333 0.29 3 0 0%
,
dissolved
Cadmium <0.0002 <0.0002 <0.001 <0.001 0.0002 0.001 0.0003 0.0003 4 4 100%
,
di
sol
ed
Ch
i 005
<0 <0
005 <0
005 <0.005 <0.005 <0.005 0.0025 0.0025 4 4 100%
um,
v
rom
s . . . 0 0
Chromium, total
<0
01
<0.01
<0.01
0.0
0.005
1
1
100%
Cyanide. total . n/a n/a n/a n/a 0 0
Copper
Copper
dissolved <0.02 0.1 -0.02 <0.005 -0.005 <0.005 <0.005 <0.005 0.1 0.01857 0.0025 7 6 86%
, <0.005 <0.01 0.005 0.01 0.00375 0.00375 2 2 100%
Copper, total
dissolved
Iron <0.03 <0.03 <0.03 <0.1 <0.1 <0.03 <0.03 <0.03 <0.1 0.025 0.015 7 7 100%
, 0.1 0.15 0.15 615 0.15 1 0 0%
Iron, total 0 0
Iron, suspended
0
0
Iron, Ferrous (Fe2+)
0
0
Iron, scFe3+
Lead
dissolved
-0.002
-0.005
-0.005
-0.005
-0.002 -0.005
0.0021
0.0025
4
4
100%
, ,
dissolved
Manganese 0.01 -0.01 <0.01 <0.01 <0.01 0.12 0.01 0.12 0.0250 0.005 6 4 67%
, 0.13 0.13 0.13 0.13 0.13 1 0 0%
Manganese, total
dissolved
Mercury -0.0002 <0.0002 <0.0002 <0.0002 <0.0002 0.0001 0.0001 3 3 100%
,
Mercury, total
dissolved
Molybdenum

1.05

0.9

0.85

0.314

0.744

0.613 <0.001

0.061 0.001

0.061 0.001

1.05 0.0005

0.6474 0.0005

0.7440 1

7 1

0 100%

0%
,
Nickel
dissolved <0.04 <0.04 <0.04 <0.01 <0.01 <0.01 <0.01 -0.04 0.0125 0.0125 6 6 100%
,
dissolved
Selenium <0.005 <0.005 <0.005 <0.01 <0.01 <0.01 <0.005 <0.01 0.0038 0.0038 6 6 100%
,
Silver
dissolved -0.001 <0.0002 <0.0002 <0.01 <0.0002 -0.01 0.0014 0.0003 4 4 100%
, <0.01 0.01 0.01 0.005 0.005 1 1 100
Silver, total
dissolved
Thallium <0.001 0.002 0.002 <0.001 <0.001 0.002 <0.001 -0.001 0.002 0.0011 0.0005 7 4 57%
,
dissolved
Vanadium <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.005 0.005 4 4 100%
, <0.001 <0.1 0.001 0.1 0.02525 0.02525 2 2 100%
Thallium, total
dissolved
Zinc -0.005 <0.005 <0.005 <0.01 <0.01 <0.01 <0.005 -0.01 0.0038 0.0038 6 6 100%
, 0.06 0.06 0.06 0.06 0.06 1 0 0%
Zinc, total
dissolved
Uranium 0.0113 0.0044 0.0056 0.0044 0.0053 0.0065 0.0091 0.0107 0.0036 0.0027 0.0027 0.0113 0.0064 0.0055 10 0 0%
,
suspended
Uranium 0.0004 0.0001 0.0002 0.0001 0.0001 <0.002 <0.002 <0.002 <0.0003 0.0001 0.002 0.0005 0.0002 9 4 44%
,
Uranium, total 0

0 0

0
Thorium-228, dis. (Ci/L
0
2
0
2
0
2
0
2
1
0
0%
Thorium-230, dis. (pCi/L) 0.2 . .
0 .
0 .
0 1 0 0%
Thorium-232, dis. (pCUL) 0 1 <0
2 0
0
2 3
1 69
0 0.5 7 1 14%
Radium-226, dis. (pCUL) 1.3 1 0.5 0.5 0.4 .
<0
2 .
0 .
0
2 .
01429
0 0 1 1
4%
Radium-226, sus Ci/L 0 0 0 0 0 0 . . . 0 0
Radium-226, total (pCUL)
4
7
5
7
4.7
50
17.6
7.85
4
0
0%
Gross Alpha, dis. (pCi/L) 10 50 . .
5
3 <5 33 11.8 5.85 4 1 25%
Gross Beta, dis. Ci/L 6.4 33 <5. . .
NOTES: Mean and median stausuc ca-mea using one-nan aeieu???? ii-ii iii, D.L.)
ND = number of non-detects ND, %ND = number and percent of non detects
Results are in mgtL unless otherwise noted
0
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