About: http://webisa.webdatacommons.org/417824937

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	Drinking water may also become contaminated with toxic metals, including arsenic, barium, chromium, lead, mercury, and silver.
http://www.w3.org/ns/prov#wasQuotedFrom	doctors-hospital.net