Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Main descriptive statistics of indoor radon measured in daycare centers and schools in the campaigns.
| Daycare Centers | Schools | |
|---|---|---|
| Arithmetic mean (Bq/m3) | 86 | 82 |
| Geometric mean (Bq/m3) | 39 | 42 |
| Median (Bq/m3) | 40 | 41 |
| Maximum (Bq/m3) | 2426 | 4205 |
| % greater than 300 Bq/m3 | 8 | 14 |
