About: http://webisa.webdatacommons.org/45949356

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	are extracted by solvents such as alcohol, ether, and (in this study) methylene
http://www.w3.org/ns/prov#wasQuotedFrom	noaa.gov