<http://webisa.webdatacommons.org/prov/461506705>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/1338593> .
<http://webisa.webdatacommons.org/1338593>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<epa.gov> .
<http://webisa.webdatacommons.org/1338593>	<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://webisa.webdatacommons.org/1338593>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .