About: http://webisa.webdatacommons.org/51126322

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	Though the government considers levels of at least 10 micrograms of lead per deciliter of blood to be elevated, research has shown that levels less than that can still cause problems including attention and reading difficulties.
http://www.w3.org/ns/prov#wasQuotedFrom	colorado.edu