About: http://webisa.webdatacommons.org/61479285

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	These are the largest industrial sources of mercury in the United States and emit approximately 80 toxic pollutants in all, such as arsenic, lead and other heavy metals as well as acid gases.
http://www.w3.org/ns/prov#wasQuotedFrom	huffingtonpost.com