PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Since approximately 1979, the Town of Hamden, the State and the Environmental Protection Agency (EPA) have conducted several environmental investigations at the Hamden Middle School athletic fields, and have documented elevated levels of metals including lead, arsenic, mercury, and chromium.
http://www.w3.org/ns/prov#wasQuotedFrom
  • epa.gov