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Insights into Imaging

Table 2 222Rn concentration measured in the hospital

From: Less radiation in a radiology department than at home

Location

Samples (n)

222Rn (Bq/m3)

Air intake for ventilation, from roof

1

3 ± 1

Air exhaust

1

7 ± 1

X-ray department

5

5 ± 1

Basement of hospital

2

26 ± 10

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