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Distribution, Site-Specific Water Quality Criteria, and Ecological Risk Assessment of Heavy Metals in Surface Water in Fen River, China.

Toxics · 2023 · PMC10458924 · PMID 37624209

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a decreasing trendno p-value reported
Comparing to the results in previous studies ( Table 3 ; [ 11 , 12 , 15 ]), except for Pb and Ni, the concentrations of Mn, Cr, Zn, Cu, and Cd showed a decreasing trend from 2005 to 2020.

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