News Tagged ‘coal ash byproducts

EPA says coal ash is safe to use as fertilizer on crops

The Environmental Protection Agency (EPA) says it is OK for farmers to spread coal ash on to their fields to fertilize soil, even though the material contains toxins that have been linked to serious health complications such as cancer and liver damage. The agency says that the material contains just a trace amount of toxins that don’t pose a risk to humans through groundwater contamination or by consuming the crops. But environmentalists beg to differ.

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EPA tests Lawrence County residents for potential toxic chemicals

It is not uncommon for industries to sell byproducts for profit. For example, the Tennessee Valley Authority sells some of the coal ash it produces, a byproduct from coal-burning, to companies for use as a filler in concrete in roads, bridges and concrete blocks; material for wallboard; granules for roofing shingles; grit for sandblasters; filler for recreation areas such as ball fields and industrial parks; and fertilizer for crops. It is considered safe for those uses even though coal ash has been found to contain dangerous toxins such as arsenic, lead, chromium, manganese and barium – materials that have been linked to serious health concerns like cancer, liver damage and neurological complications.

But sometimes materials that we think are safe for use are in fact harmful to humans. Consider this sad story now being played out in Lawrence County, Alabama.

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60 Minutes report questions safety of coal ash byproducts

Lesley Stahl, a reporter for the CBS news program 60 Minutes, pressed a power industry lobbyist about whether coal ash byproducts are being used safely during a report on coal ash recycling practices Sunday. His answer was anything but straight. It’s no surprise. The byproducts from coal-burning utilities, coal ash and fly ash, are recycled and used as filler for numerous products in kitchen counters and carpeting in schools, to name a few. Coal ash has not considered a hazardous material, and thus coal-burning plants have not fallen under federal regulations. But since the country’s largest spill of coal ash occurred last December, people are beginning to question just how safe coal ash – and the products made from it – are.

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Scientist develops new product from coal ash

As one east Tennessee community struggles to recover from the devastating spillage of coal ash from a nearby Tennessee Valley Authority (TVA) coal-burning plant on to its land and waterways, one man is working to find better uses for the waste leftover from coal burning. Mulalo Doyoyo, an assistant professor in Georgia Tech’s School of Civil and Environmental Engineering, has developed a new structural material from coal ash and bottom ash that is strong and lightweight enough to serve as an alternative to cement in concrete.

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Coal ash byproducts used in building supplies making people sick

Florida homeowners have filed a class action suit against the manufacturers of a Chinese drywall company for using toxic fly ash in materials used to construct their homes. The fly ash was reportedly purchased from a Chinese power plant and used to make the drywall.

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