Table 4.
Indoor Radon Concentration

Production area Surface exhalation rate(Bq·m-2·h-1) Converts in Indoor Concentration(Bq·m-3), 0.5 ach Converts in Indoor Concentration(Bq·m-3), 0.1 ach
A Province 1.5817 2.20 10.98
B Province 1.8230 2.53 12.65
C Province 1.4208 1.97 9.86
D Province 3.0293 4.20 21.02