About: http://webisa.webdatacommons.org/343324535

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	One or two layers of charcoal can be included in your sand filter if bad taste, odor, or solvents and other organic chemical contamination is a problem.
http://www.w3.org/ns/prov#wasQuotedFrom	whentechfails.com