[PDF] Radiation Protection Handbook - Radiation Shielding
senior medical epidemiologist at the Environmental Health Directorate at Health. Canada in ... Radon and its transition products contribute approximately 1.2 mSv/ yr, i.e. about 50% ... mine ventilation in 1956 — see Figure 12.29. ... Personal dosimeters are used to measure effective doses (and, in certain cases, also the.
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radiation-shielding's website is radiation-shielding.co.za