<http://webisa.webdatacommons.org/147677028>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<nih.gov> .
<http://webisa.webdatacommons.org/147677028>	<http://www.w3.org/ns/prov#value>	"They may contain fuels, solvents, degreasers, and other chemicals used with heavy equipment and rock blasting operations." .
<http://webisa.webdatacommons.org/147677028>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/412905286>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/147677028> .
<http://webisa.webdatacommons.org/prov/461506705>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/147677028> .