Table 1

Comparison between the results obtained with the App and the results of NCRP Report N° 147.

Type of barrierNCRP-147aAppa,b
Floor (primary)104.4 mm (concrete)104.4 mm (concrete)
Ceiling (secondary)39 mm (concrete)40 mm (concrete)
Chest bucky wall (primary)1.3 mm (lead)1.5 mm (lead)
Dark room wall (secondary)0.53 mm (lead)0.53 mm (lead)

a It is assumed N = 125 patients per week are radiographed in this room, without considering pre-shielding.

b Basic fields were loaded.

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