Short-, medium-, and long-chain chlorinated paraffins in sediments from the Pearl River Delta, China: Occurrence, sources, and risks

Key Points

• Chlorinated paraffins pose significant environmental risks due to their widespread occurrence in sediments.
• Analysis showed the presence of short-, medium-, and long-chain chlorinated paraffins in varying concentrations.
• A thorough examination of sediment samples highlighted their potential sources, including industrial effluents.
• These findings underscore the urgent need for monitoring and regulating environmental contaminants in the region.