About: http://webisa.webdatacommons.org/246737812

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	They also include pollutants that sometimes show up in water, such as benzene and naturally occurring radon, both known carcinogens.
http://www.w3.org/ns/prov#wasQuotedFrom	nwf.org