PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Styrene is a chemical that has a much lower limit (TLV) of 20 ppm set by ACGIH compared to OSHA's PEL of 100 ppm on an eight hour time weighted average.
http://www.w3.org/ns/prov#wasQuotedFrom
  • osha.gov