<http://webisa.webdatacommons.org/prov/63100105>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/173881031> .
<http://webisa.webdatacommons.org/173881031>	<http://www.w3.org/ns/prov#value>	"Chemicals such as pharmaceutical drugs, dry-cleaning solvents, and gasoline that are used in urban and industrial activities have been found in streams and ground water." .
<http://webisa.webdatacommons.org/173881031>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<luc.edu> .
<http://webisa.webdatacommons.org/173881031>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .