Document ID: EPA-HQ-OW-2003-0079-0023
Agency: epa
Document Type: Supporting & Related Material
Title: 
Posted Date: 2003-11-18T05:00Z

D­
37
Appendix
D­
4.
Measured
Hardness
and
Major
Ion
and
Cation
Concentrations
in
WFTS
Well
Water
from
April
1972
to
April
1978.
Concentrations
Given
as
Mg/
L
(
data
from
Samuelson
1976
and
Chapman,
personal
communication)

Month
Total
Hardness
Ca
Mg
Na
K
SO4
Cl
Mar­
72
Apr­
72
7.9
2
5
1.1
<
10.0
8
May­
72
22
5.8
1.4
4.4
0.5
<
5.0
7
Jun­
72
24
5.8
1.6
4.4
0.5
3
7
Jul­
72
23
6.7
1.6
4.6
0.5
<
1.0
8.3
Aug­
72
23
6.5
1.7
4.7
0.5
<
10.0
6.3
Sep­
72
22
6
1.6
4.5
0.6
<
10.0
4
Oct­
72
22
6.7
1.9
4.7
0.6
5
5.5
Nov­
72
23
6.2
1.6
4.2
0.6
3.7
5.3
Dec­
72
23
6.2
1.5
4.2
0.5
3
4
Jan­
73
52
15.3
3.5
7.1
0.7
7.8
12.4
Feb­
73
33
7.7
2.1
5
0.5
5
5
Mar­
73
30
8
2.1
5.3
0.7
5
6
Apr­
73
31
8.9
2.3
5.4
0.7
5.3
8.8
May­
73
28
8.3
2.4
5.8
0.7
3
8
Jun­
73
28
8.4
2.2
5.8
0.7
4.8
7.5
Jul­
73
26
7.4
1.9
5.8
0.8
<
5.0
6.8
Aug­
73
25
6.5
1.7
5.7
0.7
3.1
5.8
Sep­
73
25
6.7
1.7
5.4
0.7
3.1
5.3
Oct­
73
27
7
1.8
5.4
0.7
2.9
5.4
Nov­
73
28
7.9
2.1
4.8
0.7
10
6.8
Dec­
73
62
20.3
4.2
9
0.8
13
14
Jan­
74
67
21.3
4.8
7
0.8
17.3
11.3
Feb­
74
58
14.3
3.4
6.9
0.9
14.7
6.7
Mar­
74
53
20.8
3.8
7.2
0.7
13
7
Apr­
74
51
18.2
3.7
6.8
0.6
15.5
8.5
May­
74
23
7.5
2.1
4.6
0.6
5
4.8
Jun­
74
22
6
1.9
4.8
0.5
3
4.5
Jul­
74
23
5.4
1.7
5
0.6
3.3
6.3
Aug­
74
23
4.8
1.6
5
0.7
3
6
Sep­
74
23
5.8
1.5
5.1
0.7
2.9
4.8
Oct­
74
23
11
2
7.1
0.8
3.1
5
Nov­
74
23
12
2.6
4.5
0.5
3.8
5.3
Dec­
74
24
6.4
2.5
5.2
0.7
3.8
5
Jan­
75
41
7.7
2.9
6.7
0.6
8
8
Feb­
75
61
11.6
4.2
8.6
0.8
16
11.8
Mar­
75
54
9.1
3.1
6.4
0.6
8
8
Apr­
75
4.4
1.6
4.4
0.5
3
5
May­
75
7.2
2
5
0.5
6
7
Jun­
75
4.4
1.6
4.6
0.6
5
6
Jul­
75
5.2
1.6
7
0.7
5
7
Aug­
75
5.2
1.4
7
0.6
5
5
Sep­
75
4.5
1.5
4.5
0.7
5
4
Oct­
75
7.1
1.9
4.3
0.5
20
5
Nov­
75
18
5.3
1.5
4.2
0.5
5
4
Dec­
75
Jan­
76
Feb­
76
9.8
5
5.4
0.4
9
9
Mar­
76
4.1
0.1
3
6
Month
Total
Hardness
Ca
Mg
Na
K
SO4
Cl
D­
38
Apr­
76
5.3
0.1
6
9
May­
76
7.9
1.8
4.5
0.5
3
6
Jun­
76
27
8.1
1.9
3.3
0.6
4
7
Jul­
76
26
Aug­
76
23
4.9
1.3
4.8
0.1
3
6
Sep­
76
23
6.7
2.6
4.7
0.1
Oct­
76
21
6.7
2.6
4.7
0.1
Nov­
76
22
7.7
3
4.7
0.1
3
Dec­
76
25.5
6.4
1.8
5
0.1
4
7
Jan­
77
27.2
7.7
2.6
5.6
0.6
4
8
Feb­
77
10.7
4.9
5.9
0.6
3
11
Mar­
77
3
8
Apr­
77
10.7
2.2
5.5
0.8
3
7
May­
77
25
5
1.8
5
0.8
3
5
Jun­
77
27
6.6
2
5.2
0.7
3
5
Jul­
77
24
6.7
2
7.1
0.8
3
7
Aug­
77
25
6.9
1.9
6.9
1
8
Sep­
77
27
9.9
2.1
5.9
0.9
3
6
Oct­
77
3
Nov­
77
6.6
2.1
5.6
0.9
10
4.6
Dec­
77
27
9.7
4.95
0.65
9
4.6
Jan­
78
10.9
3.75
0.85
6
12
Feb­
78
10.6
3.8
8.6
0.7
5
11
Mar­
78
10.2
2.6
4.7
0.6
6
9
Apr­
78
8.3
2.4
0.7
5
9.55