Coarse PM | Â | Trace metals | Soluble inorganic compounds | Organic compounds | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
(2.5-10 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 | 2.2 | 0.07 | 11 | 0.03 | 0.16 | 0.30 | 0.01 | 0.02 | 0.05 | 0.02 | 0.05 | 0.16 | 34 |
Harbor | 13-Dec-2007 | 0.82 | 0.30 | 6.1 | 0.02 | 0.03 | - | 0.02 | 0.00 | 0.05 | 0.02 | 0.01 | 0.16 | 1.1 |
Continuous traffic | 12-Jul-2007 | 3.8 | 1.1 | 33 | 0.07 | 0.03 | 0.78 | 0.01 | 0.02 | 0.10 | 0.02 | 0.24 | 0.13 | 4.9 |
Truck traffic | 26-Jul-2007 | 2.1 | 2.3 | 43 | 0.04 | 0.03 | 0.90 | 0.01 | 0.02 | 0.04 | 0.01 | 0.04 | 0.13 | 8.1 |
Stop & Go traffic | 24-Jan-2008 | 12 | 0.30 | 16 | 0.05 | 0.06 | 0.05 | 0.01 | 0.04 | 0.03 | 0.03 | 0.00 | 0.03 | 6.4 |
Underground | 26-Sep-2007 | 2.3 | 27 | 305 | 0.27 | 0.13 | 12 | 0.00 | 0.00 | 0.00 | 0.00 | 0.09 | 0.03 | 29 |