About: http://webisa.webdatacommons.org/3163935

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	During 1990, it was found that various types of water containing dye that are used in pharmaceuticals and other industries are frequently highly colored and may contain heavy metals such as copper and chromium.
http://www.w3.org/ns/prov#wasQuotedFrom	authorstream.com