248
Table 8.3 Statistics summary of minor constituents resulting from the descriptive analysis of
groundwater samples collected from the Strumica region (concentration given in μg/l)
Me
Me(BC) Md
Min
Max P 25
P 75
S
CV A(BC) B(BC)
Shallow groundwater (n = 138)
As 15
0.5
1
0.1
172
0.6
5.6
35
233 0.7
−0.5
Ba 26
4.5
26
1.3
128
14.5 31.3 19
72
0.06
1.2
Mn 480 3
21
0.3
3329 4.1
860 672 140 −0.3
−1.1
Ni
3.5
0.4
2.8
0.3
21.6 1.3
5.1
3
80
−0.5
−0.3
Cu 1.4
0.02
1.1
0.1
21.5 0.7
1.8
2
135 −0.6
1.4
Zn 38
2.4
12
2.3
1156 6.3
26.4 124 323 0.9
0.8
Mo 23
2.2
10.7 0.5
166
5.6
24
30
129 −0.2
0.3
Pb
1
−0.6
0.5
0.06
16.3 0.3
0.9
2
186 0.6
0.7
B
13
1.6
6.3
0.03
136
4.2
16.7 18
135 −2.5
7.6
Al
9
1.5
5
0.6
209
3.1
7.2
23
258 0.5
2.6
Ti
184 3.9
152
9.4
1036 69
278 153 83
−0.7
−0.4
V
0.8
−0.8
0.3
0.3
5.2
0.3
1
1
114 0.8
−0.9
Li
5.8
0.9
2.6
0.5
73
0.5
7.5
9
150 −0.03 −1.2
Be 0.4
−1.2
0.3
0.3
2.5
0.3
0.3
0.5
118 2.5
4.5
Cr
1
−0.6
0.6
0.06
6
0.3
1.2
1
112 0.02
−0.4
Co 0.4
−1.3
0.3
0.01
2.1
0.3
0.4
0.4
96
−1.5
9.2
Cd 0.06 −3.4
0.05 0.05
0.50 0.5
0.05 0.05 82
8
68
Deep groundwater (n = 53)
As 37.7 2.5
15.2 0.8
177
7.6
65.4 41.7 111 −0.7
−0.1
Ba 41.3 14.1
43
2.8
99
25
54.1 23.2 54
−0.06 −0.1
Mn 409 4.5
371
2.4
2369 2253 506 361 88
−2.8
10
Ni
2.9
0.7
2.3
0.5
10
1.2
3.6
2.2
77
−0.3
−0.6
Cu 1.2
−0.2
0.8
0.2
6.1
0.6
1.2
1.1
96
−0.1
−0.1
Zn 78
2.6
16
2.6
1371 7.3
49.2 227 290 0.6
0.3
Mo 10
1.6
5.4
1
74
2.9
10.7 14
138 0.2
−0.5
Pb
0.6
−0.9
0.4
0.1
5.1
0.3
0.8
0.7
119 0.2
0.4
B
11.7 1.3
7.6
<0.05 90
2.2
15
15
127 −1.6
3
Al
7.4
1.4
5.9
0.4
66
1.9
7.9
9.7
131 −0.4
−0.3
Ti
133 3.9
130
16.9
432
80.3 153 71
54
−0.9
2.8
V
0.6
−1.2
0.3
<0.5
7.6
0.3
0.25 1.4
239 3.4
11.7
Li
6.8
0.8
2.2
<0.5
86
0.5
6.
13.2 193 0.2
−0.9
Be 0.4
−1.3
0.3
<0.5
1.3
0.3
0.3
0.3
89
2.4
3.9
Cr
0.4
−1.2
0.3
0.1
2.5
0.3
0.3
0.4
97
0.8
1.1
Co 0.3
−1.5
0.3
0.02
1.6
0.3
0.3
0.2
80
−1.4
9.2
Cd 0.1
−3.3
<0.1 <0.1
1.8
0.05 0.05 0.3
294 7.3
53
Me mean of not transformed values, Me(BC) mean of the Box-Cox transformed values, Md
median, Min minimum, Max maximum, P25 25th percentile, P75 75th percentile, S standard deviation, CV coefficient of variance, A skewness, B kurtosis, d depth of the borehole, ECw conductivity
B. Kovacevik et al.
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