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太鞍溪溢流淤泥含重金?境部回了

太鞍溪溢流淤泥含重金?境部回了
花太鞍溪堰塞湖溢流,民家口堆厚厚淤泥。(/翻自花政府)

[NOWnews今日新] 近日媒,太鞍溪堰塞湖溢流後大量淤泥刷下游,引民注重金,境部此澄清,太鞍溪上游地分虎山片岩,形成土壤淡灰色,有高度滑感,鞍山太鞍溪下的淤泥,其母岩性原本就含有微量重金,地天然背景造成,非人污染,民不必心。

境部表示,依年土壤及底泥料示,太鞍溪上游地主要於片岩母壤土的土,其重金度普遍介於自然背景值。初步分析,本次事件所生的淤泥性水清淤物似,於粒主的土,因地地特性,使淤泥色深且黏稠度高。

境部指出,2022及2023年於太鞍底泥砷、、、、、等度,果示重金度均低於水底泥品估值,境及使用立即性危害。

境部,本次事件後保局合作持太鞍溪下游淤泥及地土壤,保境品,以境民安全。



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