About: http://webisa.webdatacommons.org/3257752

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	Dust masks or chemical cartridge respirators will NOT provide protection because they are not intended for use where gases are extremely toxic or where the air has been replaced by gases such as carbon dioxide.
http://www.w3.org/ns/prov#wasQuotedFrom	psu.edu