About: http://webisa.webdatacommons.org/63290778

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	Even though GAC is a good adsorbent medium for many contaminants, such as VOCs, it is not efficient for certain metals, particularly uranium, hexavalent chromium, and arsenic.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com