About: http://webisa.webdatacommons.org/189381356

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	SO2 is an air emission released from the stack that is created when coal containing sulphur is burnt in the power station.
http://www.w3.org/ns/prov#wasQuotedFrom	alcoa.com