ML21335A324
| ML21335A324 | |
| Person / Time | |
|---|---|
| Site: | 07000925 |
| Issue date: | 11/11/2021 |
| From: | Jay Robinson GEL Labs |
| To: | Lux J Environmental Properties Management, Office of Nuclear Material Safety and Safeguards |
| Smith J | |
| Shared Package | |
| ML21335A315 | List: |
| References | |
| Download: ML21335A324 (1) | |
Text
Cimarron Environmental Response Trust Evaluation of Uranium Daughters in Groundwater Monitor Well Activity TMW13 02W02 02W01 TMW09 (pCi/L)
Result Uncertainty Qual DL Result Uncertainty Qual DL Result Uncertainty Qual DL Result Uncertainty Qual DL U238 364 16.9 1.51 309 15.1 1.71 604 26.9 2.05 660 24.4 1.74 Th234 80.3 311 U 585 247 321 U 577 222 322 U 559 0 815 UI 530 Pa234 24.4 30.3 U 71.2 14.5 26.3 U 49 3.89 38.5 U 79.2 13.4 47.6 U 84.7 U235 38.4 6.14 1.21 38.2 5.91 1.13 74.2 10.5 1.15 58 8.08 1.61 Th231 0 108 UI 107 2.05 77.5 U 128 77.6 145 U 109 13.4 47.6 U 84.7 U234 602 21.8 1.84 418 17.5 2.12 1040 35.3 3.22 950 29.3 1.97 The detection limit for Th234 is too high relative to the U238 activities to tell us anything but Th234 was never detected.
Pa234 was never detected, but the detection limit (that was never reached) was a small fraction of the U238 activity listed below.
Notes:
TMW13 Pa234 DL:U238 Ratio 02W02 Pa234 DL:U238 Ratio 02W01 Pa234 DL:U238 Ratio TMMW09 Pa234 DL:U238 Ratio 0.20 0.16 0.13 0.13 The detection limit for Th231 is too high relative to the U234 activities to tell us anything but Th231 was never detected.