keywords: Animal roasting, benzo[a]pyrene, contamination, polycyclic aromatic hydrocarbons
Polycyclic Aromatic Hydrocarbons (PAHs) were assessed in River Katsina-Ala water due to its suspected contamination by activities of animal roasting with used tires on the river bank. The samples collected were analyzed with gas chromatography and detected with flame ionization detector (FID). The results show contamination of the water with the 16 listed PAHs. Mean concentrations of the study showed naphthalene, acenaphthene, fluorene, fluoranthene, chrysene, and benzo[g, h, i] perylene to be within acceptable limits of the Canadian water quality guidelines and Netherlands maximum permissible concentration for PAH. Anthracene, pyrene, benz[a]anthracene and benzo[a] pyrene however exceeded the acceptable limits. The total PAH concentration over the period of study ranged from 2.4259 μg/L-3.7421 μg/L. Monitoring of the river water at the spot of roasting activity should be carried out frequently toassess the level of contamination for possible health risks.
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