About: http://webisa.webdatacommons.org/220628834

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	However, there may be samples for which Method 1664 may not be suitable; e.g., when it is desirable to measure n-hexane or other components with a boiling range near or below the boiling point of n-hexane.
http://www.w3.org/ns/prov#wasQuotedFrom	epa.gov