Coal ash contains toxic heavy metals, including arsenic, cadmium, mercury and lead, which leach into water systems and get blown into the air during windy days.
煤灰含有有毒的重金属，包括砷、镉、水银和铅，这些会从供水系统中过滤处理，在有风的时候吹到空中。
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Also, do not store water in plastic containers because the polychlorinated biphenyls (PCBs) can leach into the water.
也不要把水储存在塑料容器里因为多氯联苯会渗入到水中。
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Should the carbon dioxide mix with water underground and form carbonic acid, they say, it could leach poisonous materials from rock deep underground that could then seep out.