PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Takes water samples and conducts the following tests including but not limited to tds, resistivity, cl2, and hardness.
http://www.w3.org/ns/prov#wasQuotedFrom
  • engineering.com