| Radon Levels pCi/L | Estimated Fatal Cancers per 1000 | Comparable Exposure Levels | Comparable Health Risk | |||
|---|---|---|---|---|---|---|
| 200 | 440 - 770 | 1000 Times Average Outdoor Level | < | > | More than 60 Times Non-Smoker risk of Cancer | |
| > | 4 pkg a day Smoker | |||||
| 100 | 270 - 630 | 100 Times Average Indoor Level | < | > | 20,000 Chest X-Rays per year | |
| 40 | 120 - 380 | 100 Times Average Outdoor Level | < | > | 2 pkg a day smoker | |
| 20 | 60 - 210 | > | 1 pkg a day smoker | |||
| 10 | 30 - 120 | 10 Times Average Indoor Level | < | |||
| 4 | 13 - 50 | > | 5 times Non-Smokers Risk of Cancer | |||
| 2 | 7 - 30 | 10 Times Average Outdoor Level | < | > | 200 Chest X-Rays per year | |
| 1 | 3 - 13 | Average Indoor Level | < | > | Non-Smokers Risk of Lung Cancer | |
| 0.2 | 1 - 3 | Average Outdoor Level | < | > | 20 Chest X-Rays per Year |
Nor Environmental