About: http://webisa.webdatacommons.org/173661368

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	(2) The Material Safety Data Sheet discloses the information concerning the properties and effects of the chemical, if said chemical is a hazardous substance or mixture.
http://www.w3.org/ns/prov#wasQuotedFrom	state.pa.us