Fine PM | Â | Trace metals | Soluble inorganic compounds | Organic compounds | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
(< 2.5 μm) |  | (ng/μg PM) | (μg/μg PM) | (μg/μg PM) | (pg/μg PM) | |||||||||
Site | Sampling day | Al | Cu | Fe | Ni | V | Zn | NH 4 + | Cl - | NO 3 - | SO 4 2- | EC | OC | PAH |
Steelworks | 16-Jul-2007 | 2.0 | - | 15 | 0.39 | 1.3 | 7.3 | 0.17 | 0.01 | 0.13 | 0.32 | 0.12 | 0.15 | 133 |
Harbor | 13-Dec-2007 | 0.56 | 0.13 | 4.1 | 0.22 | 0.58 | 2.2 | 0.17 | 0.01 | 0.37 | 0.17 | 0.09 | 0.06 | 93.7 |
Continuous traffic | 12-Jul-2007 | 2.0 | 1.7 | 40 | 0.21 | 0.45 | 5.3 | 0.14 | 0.02 | 0.18 | 0.22 | 0.96 | 0.57 | 125 |
Truck traffic | 26-Jul-2007 | 2.0 | 1.7 | 35 | 0.04 | 0.15 | 4.5 | 0.12 | 0.00 | 0.09 | 0.18 | 1.02 | 0.42 | 251 |
Stop & Go traffic | 24-Jan-2008 | 21 | 0.15 | 19 | 0.33 | 0.59 | 2.3 | 0.04 | 0.03 | 0.04 | 0.12 | 0.19 | 0.07 | 231 |
Underground | 26-Sep-2007 | 5.4 | 41 | 464 | 0.34 | 0.14 | 23 | 0.00 | 0.01 | 0.00 | 0.01 | 0.26 | 0.12 | 2.98 |