About: http://webisa.webdatacommons.org/179975613

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	Additionally, you should look for the major indicators of frack water, which includes total dissolved solids (TDS), sodium, chloride, bromide and other contaminants known to be present.
http://www.w3.org/ns/prov#wasQuotedFrom	ntllabs.com