About: http://webisa.webdatacommons.org/48839438

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	If fluoride is added to municipal water supplies, sodium fluoride rather than flourosilicate compounds should be used because the latter has a greater risk of being contaminated with such heavy metals as lead and arsenic.
http://www.w3.org/ns/prov#wasQuotedFrom	urbanmamas.com