About: http://webisa.webdatacommons.org/34407196

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	Chemicals, such as polycyclic aromatic hydrocarbons (PAHs), emitted from combustion sources, fall into this category.
http://www.w3.org/ns/prov#wasQuotedFrom	osti.gov