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In this study, four sites (Sites A, B, C and D, which were associated with varying durations of zinc smelting) namely two slag piles (Profile1, Profile 2) at Sites B and C and two water channels at Sites A and D in Hezhang County, Guizhou Province, Southwestern China, were investigated. Significantly elevated mean Pb, Zn and Cd concentrations, 11,192 (±8,991), 20,563 (±16,727) and 137 (±112) mg kg...
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