Typical Radiation Doses Received; Annual Occupational Dose Limits For Radiation Workers - Thermo Scientific XL2 User Manual

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Table 1. Typical Radiation Doses Received (Source: NCRP 1987)
Category
Average total dose in US (annual)
Average worker exposure (annual)
Average exposure for an underground
miner
Exposure for airline crew (1,000 hours at
35,000 ft)
Additional from living in Denver at 5300'
(annual)
Additional from 4 pCi/l radon in home
Typical Chest X-Ray
Typical Head or Neck X-Ray
Typical pelvis/hip x-ray
Typical lumbar spine x-ray
Typical Upper G.I. x-ray
Typical Barium enema x-ray
Typical CAT scan
Table 2. Annual Occupational Dose Limits for Radiation Workers (Source:
Code of Federal Regulations Title 10, Part 20)
Category
Whole Body
Pregnant Worker (during gestation
period)
Eye Dose Equivalent
Shallow dose equivalent to the skin or
any extremity or organ
Maximum allowable dose for the general
public (annual)
For a Minor
Dose in mrem Dose in mSv
360 3.6
210 2.1
400 4.0
500 5.0
25 .25
1,000 10.0
6 0.06
20 0.2
65 0.65
30 0.3
245 2.45
405 4.05
110 1.10
Dose in mrem Dose in mSv
5000 50
500 5
15,000 150
50,000 500
100 1.0
500 5.0
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