About: http://webisa.webdatacommons.org/214825401

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	The most common chemicals involved are petroleum hydrocarbons, solvents, pesticides, lead and other heavy metals.
http://www.w3.org/ns/prov#wasQuotedFrom	authorstream.com