PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • According to a statement by the Community Environmental Legal Defense Fund, the sludge ???can contain any number of over 100,000 toxins, pathogens and poisons, such as heavy metals, PCBs, pathogens, carcinogens, pesticides [and] industrial solvents??? that can devastate human health and harm the environment.
http://www.w3.org/ns/prov#wasQuotedFrom
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