Persistent Organic Pollutants and Suspended Particulate Matter in Snow of Eastern Siberia in 2009-2023: Temporal Trends and Effects of Meteorological Factors and Recultivation Activities at Former Industrial Area.

Toxics · 2023 · PMC10819055 · PMID 38250967

Europe PMC DOI

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an increasing trendno p-value reported

In 2009–2017, no changes in the average annual levels of HCB in air were detected, but an increasing trend of the average HCB levels in air of this area was obtained for every two-month period [ 91 ].

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a decreasing trendno p-value reported

On the contrary, the changes in higher chlorinated congeners of PCBs represented a decreasing trend.

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