About: http://webisa.webdatacommons.org/1338593

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	Usually, it represents an environment that is ???ill??? or high in particulates stemming not just from allergenic sources but from chemicals such as fuels, cleaning solvents, pesticides, construction materials and new furnishings etc.
http://www.w3.org/ns/prov#wasQuotedFrom	epa.gov