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Decrease of radon exposure by continuously adjusted and controlled ventilation.

Kokotti H, Kalliokoski P, 1995
pressure difference | air leakage | exposure | mechanical ventilation | mitigation | radon
Bibliographic info: Indoor Air: An Integrated Approach, edited by L Morawski, N D Bofinger, M Maroni, Elsevier Science Ltd, 1995, pp 281-284
Languages: English

A new mechanical ventilation system which continuously controlled the indoor-outdoor pressure difference was installed in six houses, where the long-term radon levels ranged from 670 to 3 080 Bq/m3. When the new system had operated for several months, the indoor radon levels decreased to levels from 120 to 600 Bq/m3 , the effective dose reductions being from 40 % to 88 %.


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