Radon Released from a Massive Source

Input Calculated results
Enter the grade of the ore in % U3O8: Bq of Ra per gram of ore
or enter the grade of the ore in % U:   Bq of Ra in the ore
Enter the mass of the ore (kg):   Atoms of Rn released per second
enter the radon emanation fraction (as a decimal)   Bq of Rn released per second