About: http://webisa.webdatacommons.org/340353288

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	Some examples of these chemicals are: Lead from lead-based paints, Crystalline silica from bricks and cement and other masonry products, and Arsenic and chromium from chemically treated lumber.
http://www.w3.org/ns/prov#wasQuotedFrom	ps2netdrivers.net