Calcium Fluoride Sludge
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20 Tons of Foreign Waste Seized by Chinese Customs: Fluoride Calcium Sludge Powder from Semiconductor Industry
Xiamen Customs intercepted a shipment of calcium fluoride sludge, disguised as industrial material, at Dongdu Port. The substance, a semiconductor manufacturing byproduct, is classified as prohibited foreign waste under Chinese law. Importing foreign waste is illegal, and the shipment will be returned with a fine imposed. Criminal charges may follow. The sludge poses environmental risks like soil and water contamination and health hazards including fluoride toxicity and potential heavy metal exposure, impacting ecosystems and human health.
