PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The POPs reviewed in this chapter include environmental contaminants such as dioxins and polychlorinated biphenyls, industrial chemicals used as flame retardants and non-stick coatings, and the pesticide DDT. A wide variety of foods from North America, Europe, Asia, and Australia have been analyzed for these contaminants and, in general, are found to contain low levels.
http://www.w3.org/ns/prov#wasQuotedFrom
  • usda.gov