About: http://webisa.webdatacommons.org/40530933

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	However, we also found that activities such as landscaping and land development usually lower the level of arsenic and lead by mixing it with cleaner dirt.
http://www.w3.org/ns/prov#wasQuotedFrom	tpchd.org