PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Drinking water, wastewater, and water in the environment are a frequently sampled for a variety of chemicals such as Oxygen, Nitrogen, Phosphorus, heavy metals, and sediment and other chemicals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • watershedcommittee.org