PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • (b) The term ???pollutant??? does not include: (i) sewage from vessels; or (ii) water, gas, or other material that is injected into a well to facilitate production of oil or gas, or water derived in association with oil and gas production and disposed of in a well if the well used either to facilitate production or for disposal purposes is approved by the Virginia Soil and Water Conservation board
http://www.w3.org/ns/prov#wasQuotedFrom
  • albemarle.org