Landfills and man-made ponds have been used for decades as dumping grounds for coal ash, which is the byproduct waste left over from burning coal in coal-fired power plants; it is one of the most prolific types of industrial waste generated in the United States. After all, coal is the biggest source of electricity production in the nation. Coal ash though contains a number of known carcinogens and is often stored in unlined pits, creating the potential for environmental and health risks such as increased …
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