About: http://webisa.webdatacommons.org/150551736

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	RfCs are an estimate of a continuous inhalation exposure concentration to people (including sensitive subgroups) that is likely to be without risk of harmful effects during a lifetime.
http://www.w3.org/ns/prov#wasQuotedFrom	epa.gov