About: http://webisa.webdatacommons.org/130080744

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	Microbial matter, such as bacteria and viruses, is the primary source of TOC without the introduction of additional chemical agents such as chlorine or hydrogen peroxide which are themselves considered contaminants in ultra pure water.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com