Flat in Central Italy

Single House

in Northern Italy

Condominium Stove

Mass of wood pellets burned in one year (kg∙year1)

1620

6376

15,000

Concentration factor pellets/ashes

150

150

150

Mass of ashes produced in one year (kg∙year1)

10.8

42.5

100

137Cs activity concentration in pellets (Bq∙kg1)

110

110

110

137Cs activity concentration in ashes (Bq∙kg1)

16,500

16,500

16,500

Mass of ashes removed for each cleaning operation (kg)

1

1.42

4

Maintenance operation duration (minutes)

10

10

60

Number of maintenance operations repetitions

11

30

25

Mean distance from ashes (m)

0.4

0.4

0.6

Dose rate at 1 m distance for 1 MBq of 137Cs (nSv∙h1)

75

75

75

Dose rate at operation distance for 1 MBq of 137Cs (nSv∙h1)

468.8

468.8

208.3

Irradiation dose for one year (nSv)

14.2

54.9

343.8