<http://webisa.webdatacommons.org/prov/103495445>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/456585036> .
<http://webisa.webdatacommons.org/456585036>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<ccbh.net> .
<http://webisa.webdatacommons.org/456585036>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/454891416>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/456585036> .
<http://webisa.webdatacommons.org/456585036>	<http://www.w3.org/ns/prov#value>	"In the event that a building, driveway, etc. is directly over a portion of the tank, the tank can be thoroughly pumped and then completely filled with an inert material, such as sand or gravel." .