About: http://webisa.webdatacommons.org/151825691

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	In particular, thermal system insulation and surfacing materials, such as flooring installed no later than 1980, are presumed to contain asbestos unless they are analyzed and shown to be asbestos-free.
http://www.w3.org/ns/prov#wasQuotedFrom	blr.com