PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • RfDs arepublished by EPA.Organic:Compounds composed of carbon, including materials such assolvents, oils, and pesticides which are not easily dissolved inwater.Parts per billion(ppb)/Parts permillion (ppm):Units commonly used to express low concentrations ofcontaminants.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cdc.gov