Table 3.
Measured 131I air activity concentrations in the air; given uncertainties represent measurement error calculated from one sigma counting statistics
| Place | Date | 131I activity concentration, gas fraction (Bq m−3) | 131I activity concentration, aerosol fraction (Bq m−3) |
|---|---|---|---|
| “Hot room” | 17 October 2016 | 492 ± 4 | 7.2 ± 0.6 |
| 20 October 2016 | 280 ± 3 | 6.2 ± 0.6 | |
| 21 October 2016 | 42 ± 1 | 6.1 ± 0.5 | |
| 22 October 2016 | 34 ± 1 | 5.2 ± 0.3 | |
| 23 October 2016 | 28 ± 1 | 5.7 ± 0.4 | |
| Nurse station | 18 November 2016 | 171 ± 2 | 18 ± 1 |
| 21 November 2016 | 173 ± 3 | 40 ± 1 | |
| 22 November 2016 | 208 ± 3 | 8.5 ± 0.9 | |
| 23 November 2016 | 146 ± 2 | 6.9 ± 0.9 | |
| Average | 174 ± 25 | 18 ± 15 |