About: http://webisa.webdatacommons.org/416698301

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	Nowadays it???s around 3ppm, and Australian analytical laboratories are looking at new test methods that are around 10 times more sensitive again,??? says Dawson.
http://www.w3.org/ns/prov#wasQuotedFrom	foodmag.com.au