PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Oregon OSHA-regulated businesses must provide employees with information and training and assess the amount and types of exposure that may require respiratory protection if silica materials contain 0.1 percent or more crystalline silica.
http://www.w3.org/ns/prov#wasQuotedFrom
  • state.or.us