Historical record of tritium from tree cores at the Savannah River Site
Abstract
In this work, tree cores from various locations at the Savannah River Site (SRS) and local area were measured for total tritium (T) content and T speciation to include tritiated water (HTO), exchangeable organic bound T (E-OBT) and non-exchangeable organic bound T (NE-OBT) species. The tree cores dated back to the 1960's or prior which provided an opportunity to measure T over the last 60–70 years. The total T levels from pine and oak tree cores were consistent with the record of known T atmospheric releases from nuclear activities at the SRS between the mid-1950's and 1990's with a notable peak in T tree core levels during the late 1960's. The T speciation data for some tree core samples from SRS demonstrated elevated levels of OBT : HTO and NE-OBT : E-OBT identified primarily in the last ~20 years due to T inputs from remedial irrigation with OBT-rich pond water. Elevated but lower levels of OBT : HTO and NE-OBT : E-OBT were observed due to inputs from SRS operations during the last 70 years and prior to irrigation with the T-rich pond water.
- Authors:
-
[1];
[1];
[1]
- Savannah River Site (SRS), Aiken, SC (United States). Savannah River National Lab. (SRNL)
- Publication Date:
- Research Org.:
- Savannah River Site (SRS), Aiken, SC (United States); Savannah River National Laboratory (SRNL), Aiken, SC (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation
- OSTI Identifier:
- 1883328
- Alternate Identifier(s):
- OSTI ID: 1879779
- Report Number(s):
- SRNL-STI-2022-00418
Journal ID: ISSN 2050-7887; 89303321CEM000080; TRN: US2307987
- Grant/Contract Number:
- 89303321CEM000080; FG52-05NA27035
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Environmental Science: Processes & Impacts
- Additional Journal Information:
- Journal Volume: 24; Journal Issue: 8; Journal ID: ISSN 2050-7887
- Publisher:
- Royal Society of Chemistry
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 59 BASIC BIOLOGICAL SCIENCES
Citation Formats
Pettitt, Elizabeth A., Duff, Martine C., and VerMeulen, Holly. Historical record of tritium from tree cores at the Savannah River Site. United States: N. p., 2022.
Web. doi:10.1039/d2em00193d.
Pettitt, Elizabeth A., Duff, Martine C., & VerMeulen, Holly. Historical record of tritium from tree cores at the Savannah River Site. United States. https://doi.org/10.1039/d2em00193d
Pettitt, Elizabeth A., Duff, Martine C., and VerMeulen, Holly. Thu .
"Historical record of tritium from tree cores at the Savannah River Site". United States. https://doi.org/10.1039/d2em00193d. https://www.osti.gov/servlets/purl/1883328.
@article{osti_1883328,
title = {Historical record of tritium from tree cores at the Savannah River Site},
author = {Pettitt, Elizabeth A. and Duff, Martine C. and VerMeulen, Holly},
abstractNote = {In this work, tree cores from various locations at the Savannah River Site (SRS) and local area were measured for total tritium (T) content and T speciation to include tritiated water (HTO), exchangeable organic bound T (E-OBT) and non-exchangeable organic bound T (NE-OBT) species. The tree cores dated back to the 1960's or prior which provided an opportunity to measure T over the last 60–70 years. The total T levels from pine and oak tree cores were consistent with the record of known T atmospheric releases from nuclear activities at the SRS between the mid-1950's and 1990's with a notable peak in T tree core levels during the late 1960's. The T speciation data for some tree core samples from SRS demonstrated elevated levels of OBT : HTO and NE-OBT : E-OBT identified primarily in the last ~20 years due to T inputs from remedial irrigation with OBT-rich pond water. Elevated but lower levels of OBT : HTO and NE-OBT : E-OBT were observed due to inputs from SRS operations during the last 70 years and prior to irrigation with the T-rich pond water.},
doi = {10.1039/d2em00193d},
journal = {Environmental Science: Processes & Impacts},
number = 8,
volume = 24,
place = {United States},
year = {Thu Aug 04 00:00:00 EDT 2022},
month = {Thu Aug 04 00:00:00 EDT 2022}
}
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