Distances from T.P (km) |
Year |
U(nat)
(mg.m-3) |
|
2003 |
Range |
Mean |
< 1.6 |
|
0.5-11(8) |
2.8 |
1.6 - 5.0 |
|
0.5-20(20) |
2.9 |
> 5.0 |
|
0.5-4.7(20) |
1.6 |
|
2004 |
|
|
< 1.6 |
|
0.5-7.6 (15) |
2.4 |
1.6 - 5.0 |
|
0.5-19 (15) |
4.8 |
> 5.0 |
|
0.5-4.3 (10) |
1.7 |
|
2005 |
|
|
< 1.6 |
|
0.5-7.6(16) |
2.3 |
1.6 - 5.0 |
|
0.5-19 (19) |
4.6 |
> 5.0 |
|
0.5-4.3 (11) |
1.9 |
|
2006 |
|
|
< 1.6 |
|
0.5-2.3 (5) |
1.1 |
1.6 - 5.0 |
|
0.5-1.2 (4) |
0.80 |
> 5.0 |
|
0.5-33.3 (17) |
4.2 |
|
2007 |
|
|
< 1.6 |
|
0.5-1.5 (15) |
0.8 |
1.6 - 5.0 |
|
0.5-3.1 (9) |
1.3 |
> 5.0 |
|
0.5-3.5 (10) |
1.0 |
*Figures in parentheses are the numbers of samples |
