The volume of coal fly ash used in concrete production increased to 13.1 million tons in 2014, exceeding the 12.6 million ton utilization mark set in 2008, according to the American Coal Ash Association’s (ACAA) “Production and Use Survey,” released in late 2015. Increases in the use of synthetic gypsum from power plant emissions control equipment also helped to push the recycling rate for all types of coal combustion products (CCP) to a record 48 percent.
Read MorePost-EPA rule fly ash consumption eclipses pre-recession level
