About: http://webisa.webdatacommons.org/376325952

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	These may include heavy metals such as mercury and fluoride, commonly added to drinking water by well-meaning health authorities, to name but two.
http://www.w3.org/ns/prov#wasQuotedFrom	healthybeing.co.nz