<http://webisa.webdatacommons.org/159326736>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<envirofriendlyprinting.com> .
<http://webisa.webdatacommons.org/159326736>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/115903725>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/159326736> .
<http://webisa.webdatacommons.org/159326736>	<http://www.w3.org/ns/prov#value>	"When leached into the environment, heavy metals such as barium, copper, and zinc can contaminate soil and groundwater." .