<http://webisa.webdatacommons.org/128409939>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/16979980>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/128409939> .
<http://webisa.webdatacommons.org/128409939>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<faqs.org> .
<http://webisa.webdatacommons.org/128409939>	<http://www.w3.org/ns/prov#value>	"matter such as fly ash, dusts, and metals including arsenic, beryllium," .