Felix Addo-Okyreh works for Ghana's Environmental Protection Agency (EPA). He says the slime is created when gold is separated from soil. Sometimes, the chemical mercury is used to aid the separation process. The resulting waste is then stored locally in dams. Addo-Okyreh says too much rain was to blame for the recent spillage.
"It rained heavily last week. So, the embankment of the dam was weak. and then it got broken, and this is the result."
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