Comprehensive survey of radionuclides in contemporary smokeless tobacco products

BMC Chemistry

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

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
Radionuclide	Main radioactive emission mode	Proportion of measured STPs in which radionuclide detected	Radioactivity (mBq/g WWB)	Mass (g/g WWB)	Historic radioactivity values in tobacco mBq/g dwb	Tobacco type	Country	Date	References
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	7/73	0.3–1.3	1–4 × 10⁻¹⁴	0.396 (1960s)–0.005 (1980s)	Cigarette	Finland	1985	[32]
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

ISSN: 2661-801X