<http://webisa.webdatacommons.org/prov/463617207>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/269776838> .
<http://webisa.webdatacommons.org/269776838>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<lumcon.edu> .
<http://webisa.webdatacommons.org/269776838>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/269776838>	<http://www.w3.org/ns/prov#value>	"Measured on a scale from 0 to 14, pH varies due to variables including temperature, dissolved gases, and pollution." .