About: http://webisa.webdatacommons.org/167074817

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	Those ordinarily skilled in the pertinent art will recognize that this chemical or other analysis may require from as little as a few seconds to as long as several minutes or longer for each sample tested.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca