Table 2: The thickness of the retaining wall in limiting exposure to scattered radiation.

Researcher

Material Type

Thick Wall

Effectiveness Protection

Source X- ray

Rate Dose In Room

Rate Dose Outside Room

Rahmayani, et al., 2020 [1]

concrete (cm) + lead (mm)

24.3 cm + 7 mm (Pb)

No could penetrate

Aircraft Medical X- Rays general

33.6 Sv/h

0 Sv/h

Hasmawati, et al., 2016 [20]

plaster (cm) + lead (mm)

15 cm + 2 mm (Pb)

No could penetrate

Aircraft Medical X- Rays general

3400 Sv/h

0 Sv/h

Sutejo & Daryati, 2016 [13]

brick red (cm) + ceramic

30 cm

No could penetrate

Aircraft panoramic medical tooth

0.14-0.175 Sv/h

0 Sv/h

Shahda, et al., 2020 [21]

lead (cm)

0.15-0.25 cm

Still can penetrate

Aircraft conventional X- ray medical general

64,251-6039 Sv/h

0.099-1.188 Sv/h

Arizal, et al., 2017 [9]

lead black (mm) + brick plaster

2 mm Pb + 14 cm brick plaster

Still can penetrate

Aircraft Medical mobile X-ray general

No be measured

0.162-0.962 mSv/year

Mulyati, et al., 2018 [16]

Concrete light ( hebel ) + tin black

200 mm + 2 mm Pb

Still can penetrate

Aircraft X- ray radiology mobile

unit medical general

No be measured

0.003 mSv/h