About: http://webisa.webdatacommons.org/217410980

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	To recap: The risks are microorganisms, airborne contaminants, and heavy metals such as copper and aluminum. (If the rest of Tom???s quote has you scratching your head, perhaps you???ll find this diagram handy.)
http://www.w3.org/ns/prov#wasQuotedFrom	grist.org