PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The committee bill establishes - dust limit of 3.0 mg/m3 1 year after enactment of this act, but provides a procedure whereby the Secretary of Health, Education, and Welfare shall thereafter reduce such limit as reductions become technologically feasible.
http://www.w3.org/ns/prov#wasQuotedFrom
  • msha.gov