About: http://webisa.webdatacommons.org/251928722

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 chemicals have been building up in people and wildlife over the last two decades, particularly in the United States, where human concentrations have doubled every few years.
http://www.w3.org/ns/prov#wasQuotedFrom	scienceblogs.com