| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | radon | United States | Radon testing and mitigation are common due to the prevalence of radon in soil and groundwater. | 1 |
| 2 | radon | United States | Radon testing is commonly conducted in homes to check for potential health hazards. | 1 |
| 3 | radon | United States | Radon gas testing is a common practice when buying or selling a home | 1 |
| 4 | radon | United States | Testing for radon levels in homes is common due to concerns about indoor air quality and the potential health risks associated with radon exposure. | 1 |