About: http://webisa.webdatacommons.org/422039560

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	PAHs are a group of chemicals that are formed during the incomplete burning of coal, oil, gas, wood, garbage or other organic substances.
http://www.w3.org/ns/prov#wasQuotedFrom	epa.gov