Return to Chapter 3 - Results

Table 1 Summary of Annual Mean Air Concentrations of Elements at Chilton, Styrrup and Wraymires (1996-1998)

Element
Chilton
Styrrup
Wraymires
 
1992-1995
1996
1997
1998
1992-1995
1996
1997
1998
1992-1995
1996
1997
1998
 
Min
Max
Annual Mean
Annual Mean
Annual Mean
Annual Mean
Min
Max
Annual Mean
Annual Mean
Annual Mean
Annual Mean
Min
Max
Annual Mean
Annual Mean
Annual Mean
Annual Mean
Al
92.1
112
103
117
110
91.6
156
227
179
174
145
137
62.6
81.7
71.2
53.8
58.2
66.6
As
0.64
1.2
1.0
1.2
0.97
0.76
1.4
3.2
2.3
4.2
3.4
3.0
0.33
0.57
0.44
0.61
0.64
0.44
Br
8.7
14.1
11.2
8.7
8.4
6.7
17.0
28.4
21.1
13.1
13.9
10.6
6.3
10.9
8.0
<5
7.2
6.4
Ca
281
377
322
507
487
234
321
414
362
429
490
320
120
221
177
185
370
176
Cd
-
-
0.45
0.36
0.21
<0.1
-
-
0.56
0.57
0.29
<0.2
-
-
<0.2
<0.2
<0.08
<0.1
Ce
0.17
0.35
0.23
0.23
0.21
0.14
0.19
0.39
0.32
0.40
0.32
0.32
<0.07
0.13
<0.1
0.12
0.14
0.11
Cl
1456
1896
1685
1618
1569
1568
2346
2553
2424
1913
2146
1732
1182
1456
1339
852
1359
1457
Co
0.12
0.13
0.13
0.14
0.13
0.12
0.21
0.32
0.27
0.24
0.23
0.22
0.063
0.088
0.071
0.076
0.097
0.067
Cr
0.73
1.0
0.84
1.1
0.75
0.52
5.4
6.0
5.7
4.9
4.3
3.6
0.48
0.60
0.56
0.59
0.53
0.36
Cs
0.046
0.051
0.048
0.060
0.050
0.035
0.053
0.075
0.064
0.069
0.051
0.042
0.017
0.025
0.020
0.028
0.023
0.019
Cu
5.1
11.4
6.9
5.9
3.7
1.9
7.7
13.7
10.1
8.2
8.0
4.6
3.0
7.6
5.3
3.1
2.7
0.54
Fe
123
164
132
164
144
108
216
282
254
248
236
211
54.7
75.3
65.3
65
69.3
56.0
K
<189
<243
217
238
250
219
218
<387
278
262
297
252
135
173
152
<140
262
230
Hg
<0.1
1.6
0.49
0.18
0.07
0.22
0.21
2.1
0.79
0.37
<0.2
0.72
<0.1
0.29
0.17
0.23
0.19
0.49
I
1.3
1.6
1.5
1.8
1.9
1.4
1.8
1.8
1.8
2.4
2.0
1.5
0.90
1.2
1.1
1.1
1.7
1.2
Mg
129
151
140
171
153
157
171
234
211
239
213
197
108
145
124
82
116
128
Mn
4.0
4.6
4.3
5.2
5.0
3.2
11.2
15.6
13.1
11.8
12.9
9.9
1.9
2.7
2.3
2.0
2.2
1.7
Na
711
919
823
777
894
909
657
966
850
786
927
784
654
823
747
467
769
900
Ni
2.1
3.0
2.4
2.2
1.2
0.32
4.6
4.7
4.6
3.5
3.1
1.6
<0.7
1.5
<1
<1
1.2
<0.1
Pb
25.1
27.0
26.0
25.4
18.2
13.1
43.1
55.5
47.3
37.9
36.1
29.1
7.7
13.0
10.7
8.7
9.1
3.7
Sb
0.95
1.4
1.2
1.1
1.1
0.86
2.0
2.9
2.6
2.3
1.9
2.0
0.51
0.79
0.65
0.58
0.67
0.54
Sc
0.024
0.026
0.025
0.026
0.022
0.017
0.027
0.054
0.043
0.038
0.032
0.029
0.008
0.019
0.015
0.013
0.012
0.012
Se
0.77
1.0
0.87
1.1
0.79
0.61
2.3
3.7
3.0
2.8
2.7
2.5
0.47
0.62
0.54
0.65
0.81
0.63
V
3.2
5.3
4.2
3.9
3.6
2.6
5.1
6.4
5.7
4.6
4.0
3.0
1.7
2.6
2.1
1.5
1.8
1.3
Zn
24.7
41.4
30.8
55.4
23.4
16.9
56.1
61.9
59.0
100
152
43.8
13.6
21.4
17.3
20.1
16.7
14.8