About: http://webisa.webdatacommons.org/97078463

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	Polycyclic Aromatic Hydrocarbons (PAH???s) - PAH???s are a group of chemicals formed during the incomplete burning of coal, gasoline, wood, garbage or other organic substances such as tobacco, charcoal broiled meat, and incense.
http://www.w3.org/ns/prov#wasQuotedFrom	austintexas.gov