About: http://webisa.webdatacommons.org/419201717

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	It just means the labs that test these products are not certified to report below that frequency.
http://www.w3.org/ns/prov#wasQuotedFrom	gearslutz.com