About: http://webisa.webdatacommons.org/358727034

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	arsenic, manganese is a naturally occurring element and concentrations will vary by depth and
http://www.w3.org/ns/prov#wasQuotedFrom	cdc.gov