About: http://webisa.webdatacommons.org/423948172

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	Lead (Pb) and lead poisoning have been around for a long time and lead is the most prevalent toxin in our Bay Area soil.
http://www.w3.org/ns/prov#wasQuotedFrom	urban-homesteading.org