<http://webisa.webdatacommons.org/456608581>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/50390016>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/456608581> .
<http://webisa.webdatacommons.org/456608581>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<getfilings.com> .
<http://webisa.webdatacommons.org/456608581>	<http://www.w3.org/ns/prov#value>	"In this process, fracturing fluids ??? which contain proppants (sand) and vast amounts of water, in addition to biocides and other chemicals that can be very toxic to humans ??? are pumped into oil and gas wells at high pressure in order to more completely fracture subterranean rock formations and release the oil and natural gas trapped in those formations." .