About: http://webisa.webdatacommons.org/454500974

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	Disclosed are methods and apparatus for measuring tightness of an enclosure such as a building by utilizing alternating pressurization techniques.
http://www.w3.org/ns/prov#wasQuotedFrom	osti.gov