<http://webisa.webdatacommons.org/prov/507513450>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/146709497> .
<http://webisa.webdatacommons.org/prov/1534623>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/146709497> .
<http://webisa.webdatacommons.org/146709497>	<http://www.w3.org/ns/prov#value>	"Today people are more concerned with organic contaminants, particulates and microorganisms, such as bacteria and gases hat are dissolved in water." .
<http://webisa.webdatacommons.org/146709497>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<keepbanderabeautiful.org> .
<http://webisa.webdatacommons.org/146709497>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .