Collected from a harbour in Nova Scotia.Polycyclic Aromatic Compounds mg/kg (ppm) Polycyclic Aromatic Compounds mg/kg (ppm)of dry sediment of dry sedimentNaphthalene. 0.22 ± 0.02 Fluoranthene . 3.33 ± 0.111-Methylnaphthalene. 0.16 ± 0.02 Pyrene . 2.55 ± 0