About: http://webisa.webdatacommons.org/203449583

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	These pollutants come from a variety of sources such as household cleaning products, wood or fuels that are burned, building materials and products, furnishings, paint strippers, pesticides, the soil under a house, and human activities.
http://www.w3.org/ns/prov#wasQuotedFrom	nasdonline.org