About: http://webisa.webdatacommons.org/231705706

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	At the present time, certi???ers and the National Organic Program are most concerned about the presence of heavy metals, as these do not degrade through composting or other natural processes.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net