Assertion: radon's level | /r/HasProperty | between 2.0 and 4.0 pci/l
Facets:
Source sentences:
text: The EPA suggests mitigation in properties where levels are between 2.0 and 4.0 pCi/L and recommends that you take steps to fix (mitigate) your house if readings are at or above 4.0 pCi/L.