About: http://webisa.webdatacommons.org/46314475

Property	Value
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	??? Many heavy metals such as lead, manganese, nickel, and chromium 6 (hexavalent chrome) were found in particulates.
http://www.w3.org/ns/prov#wasQuotedFrom	northwestdistrictassociation.org