| Year-Quarter | Dose Rate nGy/h (nanogray per hour) |
|---|---|
| 2008-1 | 41 |
| 2008-2 | 56 |
| 2008-3 | 67 |
| 2008-4 | No Sample |
| 2009-1 | 29 |
| Year-Quarter | Dose Rate nGy/h (nanogray per hour) |
|---|---|
| 2008-1 | 49 |
| 2008-2 | 51 |
| 2008-3 | No Sample |
| 2008-4 | No Sample |
| 2009-1 | No Sample |