Table 2 Dose factors (Sv/Bq) (96/29/EURATOM)25.

From: Long term studying of uranium and radium-226 activity in drinking water in some regions of Ukraine and assessment of corresponding hypotetical irradiation doses

Age group

Annual water consumption, L

226Ra

238U

234U

Weighting factor

Children < 1 year

250

4.70E − 06

3.40E − 07

3.70E − 07

0.014

1–2 year

350

9.60E − 07

1.20E − 07

1.30E − 07

0.014

2–7 year

350

6.20E − 07

8.00E − 08

8.80E − 08

0.071

7–12 year

350

8.00E − 07

6.80E − 08

7.40E − 08

0.071

12–17 year

540

1.50E − 06

6.70E − 08

7.40E − 08

0.071

Adults

730

2.80E − 07

4.50E − 08

4.90E − 08

0.757