About: http://webisa.webdatacommons.org/288449959

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	Disturbing or interfering with the test device, or with closed-house conditions*, may invalidate the test results and is illegal in some states.
http://www.w3.org/ns/prov#wasQuotedFrom	radontestinglab.com