Radon Health Risk Equivalencies*
Lung Damage Radiation Exposure
2pCi/L = 2.7 Cigarettes Per 18 Hours 2pCi/L = 100 Chest X-Rays Per Year 3pCi/L = 150 Chest X-Rays Per Year **4pCi/L = 200 Chest X-Rays Per Year 5pCi/L = 6.7 Cigarettes Per 18 Hours 6pCi/L = 8.0 Cigarettes Per 18 Hours 7pCi/L = 9.3 Cigarettes Per 18 Hours 8pCi/L = 10.7 Cigarettes Per 18 Hours 10pCi/L = 13.3 Cigarettes Per 18 Hours 10pCi/L = 1.4 Chest X-Rays Per Day 20pCi/L = 1.4 Cigarettes Per Hour 40pCi/L = 3.0 Cigarettes Per Hour 60pCi/L = 4.4 Cigarettes Per Hour 80pCi/L = 5.9 Cigarettes Per Hour 100pCi/L = 8.8 Cigarettes Per Hour 120pCi/L = 10.7 Cigarettes Per Hour * EPA3pCi/L = 4.0 Cigarettes Per 18 Hours **4pCi/L = 5.3 Cigarettes Per 18 Hours 5pCi/L = 250 Chest X-Rays Per Year 6pCi/L = 300 Chest X-Rays Per Year 7pCi/L = 350 Chest X-Rays Per Year 8pCi/L = 1.1 Chest X-Rays Per Day 9pCi/L = 12.0 Cigarettes Per 18 Hours 9pCi/L = 1.2 Chest X-Rays Per Day 15pCi/L = 1.1 Cigarettes Per Hour 15pCi/L = 2.1 Chest X-Rays Per Day 20pCi/L = 2.7 Chest X-Rays Per Day 30pCi/L = 2.2 Cigarettes Per Hour 30pCi/L = 4.1 Chest X-Rays Per Day 40pCi/L = 5.5 Chest X-Rays Per Day 50pCi/L = 3.7 Cigarettes Per Hour 50pCi/L = 6.8 Chest X-Rays Per Day 60pCi/L = 8.2 Chest X-Rays Per Day 70pCi/L = 5.2 Cigarettes Per Hour 70pCi/L = 9.6 Chest X-Rays Per Day 80pCi/L = 11.0 Chest X-Rays Per Day 90pCi/L = 8.0 Cigarettes Per Hour 90pCi/L = 12.3 Chest X-Rays Per Day 100pCi/L = 13.7 Chest X-Rays Per Day 110pCi/L = 9.8 Cigarettes Per Hour 110pCi/L = 15.1 Chest X-Rays Per Day 120pCi/L = 16.4 Chest X-Rays Per Day 130pCi/L = 11.6 Cigarettes Per Hour 130pCi/L = 17.8 Chest X-Rays Per Day 140pCi/L = 12.5 Cigarettes Per Hour 140pCi/L = 19.1 Chest X-Rays Per Day **EPA "Action Point