Environmental Engineering Reference
In-Depth Information
Rh
Winter 2005
Road dust
3
6
6
6
22
27
19
14
33
25
12
Summer 2006
Road dust
nd
nd
nd
nd
10
20
10
nd
10
5
10
Winter 2006
Road dust
nd
nd
nd
nd
5
30
15
15
20
nd
10
Summer 2006
Gully
nd
nd
nd
nd
nd
10
5
nd
5
nd
nd
Winter 2006
Gully
nd
nd
nd
nd
nd
5
10
nd
10
nd
5
Average for
Road dust
1
2
2
2
12
26
15
10
21
10
11
Ru
Winter 2005
Road dust
nd
nd
nd
6
nd
nd
4
nd
30
25
nd
Summer 2006
Road dust
nd
2
1
1
2
3
1
1
1
20
3
Winter 2006
Road dust
nd
nd
nd
nd
nd
nd
nd
20
nd
nd
nd
Summer 2006
Gully
nd
nd
2
6
1
2
2
2
1
nd
nd
Winter 2006
Gully
nd
2
1
2
4
nd
7
nd
8
nd
2
Average for
Road dust
nd
1
nd
2
1
1
2
7
10
15
1
Ir
Winter 2005
Road dust
nd
nd
nd
2
nd
nd
nd
4
22
14
nd
Summer 2006
Road dust
nd
1
nd
nd
nd
nd
nd
nd
nd
nd
nd
Winter 2006
Road dust
nd
nd
nd
nd
nd
nd
nd
nd
nd
nd
nd
Summer 2006
Gully
nd
1
nd
nd
nd
nd
nd
nd
nd
nd
nd
Winter 2006
Gully
nd
nd
nd
1
nd
nd
nd
nd
nd
nd
nd
Average for
Road dust
nd
nd
nd
nd
nd
nd
nd
nd
nd
nd
nd
Values in ppb, nd = not detected. Pt, Pd and Rh show extremely similar distributions, see Fig. 2.
