Both exceeded the limit that the Environmental Protection Agency has where it states that
chemicals can’t be used in an excess of 10,000 pounds a year.
Most of the chemicals are metal compounds locked in the ash. Out of the thirty-
five chemicals that the Environmental Protection Agency requires industries to report,
APS reported a release of thirteen from its power plants. The chemicals come from
burning fossil fuels, such as coal. Coal is 55% of their energy; they burn on average
fifteen million tons of coal each year while natural gas, oil, and water only account for
Our research is ongoing to find other, environmentally safe ways, of producing