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Table 4 Summary of current findings in contemporary STPs and historic values for anthropogenic radionuclides

From: Comprehensive survey of radionuclides in contemporary smokeless tobacco products

Radionuclide Main radioactive emission mode Proportion of measured STPs in which radionuclide detected Range in STPs with detectable levels of radionuclide Historic radioactivity values in tobacco mBq/g dwb Tobacco type Country Date References
Radioactivity (mBq/g WWB) Mass (g/g WWB)
241Am α 0/73 BLD BLD None reported
238Pu α 4/73 0.4–1.1 7–17 × 10−16 None reported
239Pu α 7/73 0.3–1.3 1–5 × 10−13 0.396 (1960s)–0.005 (1980s) Cigarette Finland 1985 [32]
240Pu α 1–4 × 10−14
137Cs β 0/73 BLD BLD 0.1–40 Various Various 1983–2012 [21, 35, 98, 99, 101]
134Cs β 0/73 BLD BLD None reported
131I β 0/73 BLD BLD None reported
60Co β 0/73 BLD BLD None reported
  1. BLD below limit of detection