About: http://webisa.webdatacommons.org/81620248

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	In the environment arsenic is usually combined with other elements such as oxygen, chlorine, and sulfur.
http://www.w3.org/ns/prov#wasQuotedFrom	cdc.gov