August 15, 2025LandOpen Access

Characteristics, Sources, and Risk Assessment of Polycyclic Aromatic Hydrocarbons in Soils and Sediments in the Yellow River Delta, China

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Sediment PAHs may negatively impact the ecosystem, especially near northern coastal areas.
Measured PAHs concentrations ranged from 24.97–326.42 ng/g in soils and 46.17 to 794.32 ng/g in sediments.
Positive matrix factorization model identified petroleum pollution as a major source of PAHs in the region.
Soil PAHs show no potential carcinogenic risk to humans, indicating a safeguard for public health.

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Analysis shows PAHs present in soils and sediments of Yellow River Delta, indicating potential ecological risks.

Zhao et al. (2025) studied this question.

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