<http://webisa.webdatacommons.org/prov/346081640>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/269501310> .
<http://webisa.webdatacommons.org/269501310>	<http://www.w3.org/ns/prov#value>	"Despite the huge amounts of ash generated in the USA (131 mtons per year) no federal regulations control the fate of ash from coal-fired plants. 56% of this is not used in products such as concrete." .
<http://webisa.webdatacommons.org/269501310>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<osti.gov> .
<http://webisa.webdatacommons.org/269501310>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .