About: http://webisa.webdatacommons.org/450951575

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	Carbon dioxide and trace gases such as water vapour and H2S must be removed before the biogas can be used because:
http://www.w3.org/ns/prov#wasQuotedFrom	gov.ab.ca