About: http://webisa.webdatacommons.org/166050076

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	Chemicals such as PCBs can be virtually undetectable in water but magnify exponentially up the food chain so that a top predator may have 25-million times the concentrations found in the water it lives in.
http://www.w3.org/ns/prov#wasQuotedFrom	bluevoice.org