About: http://webisa.webdatacommons.org/319170961

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	Surface samples are collected by vacuuming the particles into a filter (see cover photo), swabbing them with cotton swabs, or trapping them on a sticky material such as tape or plastic wrap.
http://www.w3.org/ns/prov#wasQuotedFrom	homeenergy.org