About: http://webisa.webdatacommons.org/150908141

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	those contractors and other federal agencies that collect samples for programs sponsored by EPA. The Agency QMP will specify frequency and procedures for conducting field TSAs within specific program areas.
http://www.w3.org/ns/prov#wasQuotedFrom	azlibrary.gov