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Table 1: Tissue weighting factors according to ICRP 103 (ICRP 2007)
Tissue Tissue weighting factor wT ΣwT
(*) Remaining tissues: Adrenals, extrathoracic region, gall bladder, heart, kidneys, lymphatic nodes, muscle, oral mucosa, pancreas, prostate (♂), small intestine, spleen, thymus, uterus/cervix (♀).
Bone-marrow (red), colon, lung, stomach, breast, remaining tissues(*) 0.12 0.72
Gonads 0.08 0.08
Bladder, oesophagus, liver, thyroid 0.04 0.16
Bone surface, brain, salivary glands, skin 0.01 0.04
  Total 1.00

 

Source: SCENIHR, Health effects of security scanners for passenger screening (based on X-ray technology), (2012),
 3.5 Dosimetric aspects, pp.22-27

Related publication:
Security Scanners homeSecurity Scanners
Other Figures & Tables on this publication:

Table 1: Tissue weighting factors according to ICRP 103 (ICRP 2007)

Table 2: Measured effective doses for various security scanners

Table 3: Modelled organ equivalent doses from backscatter scanners

Figure 1: A modern backscatter unit showing a passenger being screened.

Figure 2: A modern transmission unit with the side maintenance panel removed.

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