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Table 2 Estimation of BPC risk associated with occupational risk factors and tobacco consumption (Expert consensus)

From: Medical follow-up of workers exposed to lung carcinogens: French evidence-based and pragmatic recommendations

  Relative risk according to exposure to carcinogens Estimated risk level
  Non-smokers Ex-smokers ≥ 15 years Smokers
Agents, situations or processes <20 PY 20 – 29 PY ≥30 PY
Tobacco   1 5 10 20 30
Asbestos – intermediate cumulative level < 10 years 1.5 1.5 7.5 15 30 45
Asbestos – intermediate cumulative level ≥ 10 years 2 2 10 20 40 60
Asbestos – high cumulative level < 5 years 2.5 2.5 12.5 25 50 75
Asbestos – high cumulative level ≥ 5 years 3 3 15 30 60 90
 Asbestosis 3 3 15 30 60 90
 Pleural plaques 2 2 10 20 40 60
Crystalline silica 1.5 1.5 7.5 15 30 45
 Silicosis 2 2 10 20 40 60
Diesel exhaust fumes – intermediate level 1.5 1.5 7.5 15 30 45
Diesel exhaust fumes – high level 2 2 10 20 40 60
Aluminium production 2 2 10 20 40 60
Coal gasification 2 2 10 20 40 60
Coal tar pitch 2 2 10 20 40 60
Coke production 2 2 10 20 40 60
Soot 2 2 10 20 40 60
X-rays and gamma rays 2 2 10 20 40 60
Radon 2 2 10 20 40 60
Iron ore mines 2 2 10 20 40 60
Plutonium 10 10 50 100 200 300
Iron and steel foundry 1.5 1.5 7.5 15 30 45
Painting profession 2 2 10 20 40 60
Rubber production 2 2 10 20 40 60
Arsenic and its compounds 5 5 25 50 100 150
Nickel compounds 2 2 10 20 40 60
Chromium(VI) compounds 2 2 10 20 40 60
Beryllium 2 2 10 20 40 60
Cadmium and its compounds 2 2 10 20 40 60
Bis(chloromethyl) ether; Chloromethyl methyl ether 10 10 50 100 200 300
Metal cobalt associated with tungsten carbide 2 2 10 20 40 60
  1. These RR estimations were retained by the working group based on data from the literature and on the hypothesis of the multiplicative joint effect of a carcinogenic agent and tobacco
  2. normal: risk level < 30; italic bold: 30 < risk level > 60; bold underlined: risk level ≥ 60