About: http://webisa.webdatacommons.org/259734896

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	Direct radiation (Which is what I believe he means by ???fallout???) is stopped by concrete, compacted Earth or other dense materials such as lead.
http://www.w3.org/ns/prov#wasQuotedFrom	survivalblog.com