AI Article Synopsis
- The study analyzed the levels of 16 Polycyclic Aromatic Hydrocarbons (PAHs) in Lake Balaton's sediment over a year, noting seasonal variations in concentrations.
- PAH levels were highest in winter (448.35 to 619.77 ng/g) and lowest in summer (257.21 to 465.49 ng/g), with higher concentrations of high molecular weight PAHs compared to low molecular weight ones.
- The research indicated a significant cancer risk for both adults and children across all seasons, particularly high in winter, while most ecological impacts from PAHs were minimal, except for slightly elevated levels of acenaphthylene and fluorene in autumn and spring, respectively.
Article Abstract
The temporal and spatial variations of 16 Polycyclic Aromatic Hydrocarbons (PAHs) were examined at multiple sites around Lake Balaton from February 2023 to January 2024. The results indicated that the concentrations of PAHs in sediment were high during the winter months, 448.35 to 619.77 ng/g dry weight, and low during the summer months, 257.21 to 465.49 ng/g dry weight. The concentration of high molecular weight PAHs (HMWPAHs), consisting of 5-6 rings, was greater than that of low molecular weight PAHs (LMWPAHs), which had 2-3 rings. The total incremental lifetime cancer risk (ILCR) for both dermal and ingestion pathways was high for both adults and children during the four seasons, with the highest records as the following: winter > spring > summer > autumn. The ecological effects of the 16 PAHs were negligible except for acenaphthylene (Acy) and fluorene (Fl), which displayed slightly higher concentrations during the autumn and spring, respectively.
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| http://dx.doi.org/10.1016/j.marpolbul.2024.116333 | DOI Listing |
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