Diapositive 1

Technical Considerations

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Radiation safety

Radiation survey, dose in

µSv

For 3 APBI and 2 QA procedures per week

Clinical Energy distribution

Floor to floor distance : 3.4 m, Floor concrete thickness (8 - 13 cm)

Additional Floor shielding (2 cm Steel)

Location

Weekly dose Max dose in any hour Comment

1 floor above

0,4 to 1,6

0,1 to 0,6

1 floor below

0,4 to

0,1 to 12

Restrict. area

2 floors below

1,4 to 2,1

0,4 to 0,5

Adjacent OR

2,4 to 8,5

1,2 to 4

IORT OR entrance door

Restrict. area

At the console

6,6

1,5