About: http://webisa.webdatacommons.org/108878608

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	Adverse health effects such as headache and dizziness may occur after two-hour exposures to carbon monoxide levels as low as 100 ppm.
http://www.w3.org/ns/prov#wasQuotedFrom	state.il.us