About: http://webisa.webdatacommons.org/270406996

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	Some chemicals, such as the endocrine disruptors dichlorodiphenyltrichloroethane (DDT) and polychlorinated biphenyls (PCBs), have been banned in the United States for years, but persist in the environment and food chains.
http://www.w3.org/ns/prov#wasQuotedFrom	lindaisaacsmd.com