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http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	California EPA scientists drew a clear conclusion: ???The findings of available human, animal, genotoxic, and toxicokinetic studies all indicate that hexavalent chromium is a possible human carcinogen by the oral route??? (OEHHA 2009).
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com