About: http://webisa.webdatacommons.org/279023187

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	To ensure a future supply of high-quality, Class F fly ash, SEFA Group has modified its proprietary thermal beneficiation process to accept fly ash reclaimed from disposal sites, including both landfills and settling ponds.
http://www.w3.org/ns/prov#wasQuotedFrom	concreteproducts.com