About: http://webisa.webdatacommons.org/419052167

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	It plays a vital role in keeping the world's water supplies safe by controlling harmful bacteria and viruses that can cause potentially deadly diseases such as typhoid and cholera.
http://www.w3.org/ns/prov#wasQuotedFrom	oxy.com