About: http://webisa.webdatacommons.org/201024680

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	The piping could be concrete, lead, galvanized or pvc in which can contain heavy metals and other chemicals that can leach into water.
http://www.w3.org/ns/prov#wasQuotedFrom	epa.gov