| Thorium-232, via Alpha Spectroscopy method | |||||||||
| Collection Date | Location | Th-232 pCi/L | Uncertainty ąpCi/L | MDA pCi/L | |||||
| 06/06/05 | WB 2 | 0.0262 | 0.0514 | 0.0785 | |||||
| 07/28/05 | WB 2 | 0.0402 | 0.0283 | 0.0151 | |||||
| 10/25/05 | WB 2 | 0.0330 | 0.0495 | 0.0777 | |||||
| 12/04/05 | WB 2 | 0.0576 | 0.0460 | 0.0541 | |||||
| 08/03/06 | WB 2 | 0.0170 | 0.0640 | 0.1300 | |||||
| 09/24/06 | WB 2 | 0.0400 | 0.1300 | 0.2400 | |||||
| 07/10/07 | WB 2 | 0.0000 | 0.3500 | 0.7800 | |||||
| 10/16/07 | WB 2 | 0.0020 | 0.1000 | 0.2300 | |||||
| 11/21/07 | WB 2 | 0.0000 | 0.1600 | 0.3100 | |||||
| 05/12/08 | WB 2 | 0.0000 | 0.0150 | 0.1700 | |||||
| Background | 7.2 | ||||||||
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