About: http://webisa.webdatacommons.org/63150636

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	Gas vapors contain air toxics such as benzene, a known carcinogen, and produce smog.
http://www.w3.org/ns/prov#wasQuotedFrom	state.or.us