About: http://webisa.webdatacommons.org/208807066

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	The instruments deviated from the known sample concentrations by as much as 16% and variables such as ambient temperature and moisture content influenced accuracy by as much as 100%.
http://www.w3.org/ns/prov#wasQuotedFrom	wiley.com