Table 5 Matrix of correlation coefficients of the three sources obtained by APCS sources profiles
| Â | Mixed source | |||||
|---|---|---|---|---|---|---|
| Â | Altamura | Andria | Monopoli | Archimede | King | San Nicola |
Altamura | 1.00 | 0.07 | -0.04 | 0.25 | -0.44 | 0.35 |
Andria | Â | 1.00 | -0.32 | -0.02 | 0.44 | -0.23 |
Monopoli | Â | Â | 1.00 | -0.06 | 0.05 | 0.32 |
Archimede | Â | Â | Â | 1.00 | -0.19 | 0.25 |
King | Â | Â | Â | Â | 1.00 | -0.26 |
San Nicola | Â | Â | Â | Â | Â | 1.00 |
| Â | Particulate | |||||
| Â | Altamura | Andria | Monopoli | Archimede | King | San Nicola |
Altamura | 1.00 | 0.65 | -0.12 | 0.39 | 0.59 | -0.12 |
Andria | Â | 1.00 | 0.10 | 0.56 | 0.71 | 0.13 |
Monopoli | Â | Â | 1.00 | 0.54 | 0.05 | 0.24 |
Archimede | Â | Â | Â | 1.00 | 0.51 | 0.09 |
King | Â | Â | Â | Â | 1.00 | -0.01 |
San Nicola | Â | Â | Â | Â | Â | 1.00 |
| Â | Vehicular traffic | |||||
| Â | Altamura | Andria | Monopoli | Archimede | King | San Nicola |
Altamura | 1.00 | 0.03 | 0.16 | 0.06 | -0.07 | -0.17 |
Andria | Â | 1.00 | -0.29 | 0.36 | 0.33 | 0.19 |
Monopoli | Â | Â | 1.00 | -0.12 | 0.60 | 0.20 |
Archimede | Â | Â | Â | 1.00 | 0.51 | 0.46 |
King | Â | Â | Â | Â | 1.00 | 0.72 |
San Nicola | Â | Â | Â | Â | Â | 1.00 |