About: http://webisa.webdatacommons.org/357437815

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	Most municipal-water arsenic levels in the United States are well below the federal standard but levels can still vary, depending on factors such as the amount of arsenic occurring in rocks in the area.
http://www.w3.org/ns/prov#wasQuotedFrom	processingmagazine.com