9.13.4.3.(1)

Objective

OH1 Indoor Conditions

Attribution

Intent

Intent 1:

To limit the probability that radon cannot be extracted from between the air barrier and the ground, which could lead to high concentrations of radon inside buildings, which could lead to negative effects on the air quality of indoor spaces, which could lead to harm to persons.

Intent 2:

To state the application of Sentences 9.13.4.3.(2) and (3).

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