About: http://webisa.webdatacommons.org/406475957

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	The filters go to the DEQ Laboratory where they are weighed for mass, and/or analyzed for other compounds, including carbon and metals.
http://www.w3.org/ns/prov#wasQuotedFrom	state.or.us