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Table 3 Office location and distribution of radon level

From: Radon level in a Nigerian University Campus

Office location

Permissible level N (%)

Risky level N (%)

Critical level N (%)

Total

Basement

12 (85.7)

1 (7.1)

1 (7.1)

14

Ground floor

27 (96.4)

1 (3.5)

0 (0.0)

28

First floor

20 (100)

0 (0.0)

0 (0.0)

20