About: http://webisa.webdatacommons.org/140294448

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	In the early days, the major contaminants of concern were heavy metals, such as copper, which were turning up in the bodies of fish and invertebrates.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com