PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In contrast non-organic manufacture uses tens of thousands of acutely toxic chemicals, including heavy metals, formaldeyde and aromatic solvent, many of which are classified as hazardous by the World Health Organisation (WHO) and have been associated with cancer, birth defects and hormonal and reproductive effects in wildlife and humans.
http://www.w3.org/ns/prov#wasQuotedFrom
  • soilassociation.org