Natural radionuclides in groundwaters from J-13 well at the Nevada Test Site
Conference
·
OSTI ID:138088
The concentrations of U-238 and Th-232 chain members are extremely low in J-13 water, suggesting that their concentrations in groundwaters are largely governed by sorption/desorption processes. Relative to radon (gas), uranium, thorium, radium, and polonium radionuclides are highly sorbed in a tuffaceous matrix, and the retardation factors range from 10{sup 2} to 10{sup 5}. Uranium, unlike Th, is in the +6 state and is soluble as carbonate complex (UO{sub 2}CO{sub 3}), and the aquifer`s environment is oxidizing. There is no colloidal effect down to <0.10 {mu}m. 15 refs., 1 fig., 2 tabs.
- Research Organization:
- Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (USA)
- DOE Contract Number:
- AC06-76RL01830
- OSTI ID:
- 138088
- Report Number(s):
- PNL-SA-17572; CONF-900406-83; ON: DE91011817; TRN: 91:018473
- Resource Relation:
- Conference: 1. international topical meeting on high-level radioactive waste management, Las Vegas, NV (United States), 8-12 Apr 1990; Other Information: PBD: Apr 1990
- Country of Publication:
- United States
- Language:
- English
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