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Mercury discharge from gold mining:

Mercury discharge from gold mining: Used Mercury leaches into soil and ground water. Mercury carried by runoff and vaporization into rivers & streams Heavy Metal Contamination in Wetlands Poisoning through bioaccumulation & food chain. Mercury Presence = 0.08 ~ 0.64 µg/g in Rondonia World Health Organization’s suggested limit = 0.43 µg/kg/day Health Hazard for Fish, Wildlife & Humans Digging & Excavation ? Erosion ? Sedimentation in Rivers.

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