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Table 1

The concentrations of 137Cs, 90Sr and TUE (241Am, 238,239+240Pu) in the workplace air during grain harvesting operations.

Workplace Total air
m3
Dust
g m−3
137Cs
mBq m−3
90Sr
mBq m−3
238Pu
mBq m−3
239+240Pu
mBq m−3
241Am
mBq m−3
On the field” grain harvesting from Kovali/Burki field (Polessye 10K combine with a header for grain crops model 6–4) 116 0.0104 18 ± 3 1.7 ± 0.4 0.007 ± 0.002 0.024 ± 0.005 0.042 ± 0.011
In the cab” grain harvesting from Kovali/Burki field (Polessye 10K combine) 3.7 0.0365 120 ± 38 10.9 ± 3.5 <MDA 0.087 ± 0.041 0.202 ± 0.057
On the field” winter rape harvesting from Rafalov field 109 0.0012 4.1 ± 0.6 Not measured 0.001 ± 0.001 0.005 ± 0.001 0.013 ± 0.003
In the cab” winter rape harvesting from Rafalov field (Polessye 10K combine) 3.7 0.0002 <MDA Not measured <MDA <MDA <MDA
On the field” winter triticale harvesting from Rafalov field 230 Not measured 10 ± 2 Not measured 0.002 ± 0.001 0.009 ± 0.002 0.016 ± 0.005
In the cab” winter triticale harvesting from Rafalov field (Lida 1300 combine) 7.5 Not measured 60 ± 22 Not measured <MDA 0.041 ± 0.024 0.080 ± 0.026
PACpop reference levels     27 000 2700 2.7 2.5 2.9

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