About: http://webisa.webdatacommons.org/405166181

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	parameters including opacity, sulfur dioxide, nitrogen oxides, carbon monoxide, hydrogen
http://www.w3.org/ns/prov#wasQuotedFrom	state.pa.us