About: http://webisa.webdatacommons.org/187076349

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	Coal combustion waste (CCW) is a by-product of burning coal and contains high concentrations of arsenic, mercury, lead, and other heavy metals and toxins.
http://www.w3.org/ns/prov#wasQuotedFrom	ceres.org