About: http://webisa.webdatacommons.org/438452044

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	Any chemical substance or combination of substances, including any chemicals and proppants, that is intentionally added to a base fluid for purposes of preparing a stimulation fluid for use in hydraulic fracturing.
http://www.w3.org/ns/prov#wasQuotedFrom	state.pa.us