About: http://webisa.webdatacommons.org/100955142

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	These chemicals are found mainly in water that originally came from surface sources, such as rivers and lakes.
http://www.w3.org/ns/prov#wasQuotedFrom	cdc.gov