Isotopes of 210Po and 210Pb in Hazel bolete (Leccinellum pseudoscabrum) – bioconcentration, distribution and related dose assessment
2019
Szymańska, Karolina | Strumińska-Parulska, Dagmara | Falandysz, Jerzy
The hazel bolete Leccinellum pseudoscabrum (Kallenb.) Mikšík 2017 specimens and beneath soil layer (0–10 cm) have been examined on the occasion of ²¹⁰Po and ²¹⁰Pb activity concentrations, the nuclide bioaccumulation potential by species and distribution in fruit bodies. Mushrooms and forest soils came from six geographically distant locations in the northern and central parts of Poland. The threat to humans from ²¹⁰Po and ²¹⁰Pb contained in mushrooms has been also assessed. The absolute values of the ²¹⁰Po radioactivity, respectively, in caps and stems of fruit bodies were in the range 0.74 ± 0.06–8.59 ± 0.36 Bq kg⁻¹ dry biomass and from 0.81 ± 0.06–8.23 ± 0.37 Bq kg⁻¹ dry biomass, while the values of the ²¹⁰Pb radioactivity in caps and stems were in the range 0.61 ± 0.04–6.33 ± 0.22 Bq kg⁻¹ dry biomass and 0.83 ± 0.04–4.59 ± 0.24 Bq kg⁻¹ dry biomass, respectively. A potential related effective dose assessment showed that mushrooms L. pseudoscabrum can contribute at 0.89–10.3 μSv kg⁻¹ db from ²¹⁰Po decay and 0.42–4.37 μSv kg⁻¹ db from ²¹⁰Pb decay.
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