Assertion: radon's level | /r/CapableOf | pose risk
Facets:
value: to health
type: TRANSITIVE-OBJECT
Source sentences:
text: He basically says that just because very high levels of radon can lead to cancer, it is erroneous to think that means low levels of radon pose a risk.
text: However, if radon enters an enclosed or poorly ventilated space in a building, it can accumulate to levels that can pose a risk to health.