About: http://webisa.webdatacommons.org/297807736

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	When chlorine reacts with organic material, such as leaves and twigs in source water, it produces chlorinated organic compounds called trihalomethanes, which include such toxic substances as chloroform.
http://www.w3.org/ns/prov#wasQuotedFrom	waterfiltercanada.com