Research Article
Assessment of Impacts Produced by Anthropogenic Sources in a Little City near an Important Industrial Area (Modugno, Southern Italy)
Table 4
Correlation coefficients among VOC concentrations in all investigated sites: coefficients with values greater than 0.5 are in bold.
| | |
Benzene |
Heptane |
Toluene |
Tetrachloroethylene |
Butyl acetate |
Ethylbenzene |
m-, p-Xylenes |
Styrene |
a-Pinene |
1,3,5-Trimethilbenzene |
2-Ethyl-1-hexanol |
Decane |
1,4-Dichlorobenzene |
1,2,4-Trimethylbenzene |
Limonene |
1,2,3-Trimethylbenzene |
| | Benzene | 1.00 | 0.91 | 0.99 | 0.51 | 0.62 | 0.99 | 0.99 | −0.04 |
0.01
| |
0.23
|
0.03
| | |
0.49
| | | Heptane | | 1.00 | 0.92 | 0.49 | 0.46 | 0.91 | 0.91 |
0.12
| −0.02 | |
0.13
| −0.25 | | | | | | Toluene | | | 1.00 | 0.56 | 0.60 | 1.00 | 1.00 |
0.00
| −0.04 | |
0.18
| −0.05 | | |
0.46
| | | Tetrachloroethylene | | | | 1.00 | 0.13 | 0.57 | 0.58 | −0.07 | −0.39 | | −0.33 | −0.27 | | |
0.06
| | | Butyl acetate | | | | | 1.00 | 0.61 | 0.58 |
0.29
|
0.32
|
0.49
|
0.33
|
0.20
| | |
0.49
|
0.40
| | Ethylbenzene | | | | | | 1.00 | 1.00 |
0.02
| −0.03 | |
0.22
| −0.01 | | |
0.50
| | | m-, p-Xylenes | | | | | | | 1.00 |
0.02
| −0.04 | |
0.22
| −0.02 | | |
0.49
| | | Styrene | | | | | | | |
1.00
|
0.32
|
0.07
|
0.40
| −0.11 |
0.04
|
0.09
|
0.70
| −0.05 | | a-Pinene | | | | | | | | |
1.00
| −0.12 |
0.02
| −0.25 |
0.11
| −0.13 |
0.31
| −0.17 | | 1,3,5-Trimethilbenzene | | | | | | | | | |
1.00
|
0.32
|
0.05
| | | | | | 2-Ethyl-1-hexanol | | | | | | | | | | |
1.00
|
0.60
|
0.16
|
0.34
|
0.51
|
0.15
| | Decane | | | | | | | | | | | |
1.00
| −0.19 |
0.08
|
0.14
| −0.05 | | 1,4-Dichlorobenzene | | | | | | | | | | | | |
1.00
| |
0.43
| | | 1,2,4-Trimethylbenzene | | | | | | | | | | | | | |
1.00
| | | | Limonene | | | | | | | | | | | | | | |
1.00
|
0.42
| | 1,2,3-Trimethylbenzene | | | | | | | | | | | | | | | |
1.00
|
|
|
