Calendar Year 2003 Groundwater Monitoring Report, U.S. Department of Energy Y-12 National Security Complex, Oak Ridge, Tennessee
This report contains the groundwater and surface water monitoring data that were obtained during calendar year (CY) 2003 at the U.S. Department of Energy (DOE) Y-12 National Security Complex (hereafter referenced as Y-12) on the DOE Oak Ridge Reservation (ORR) in Oak Ridge, Tennessee. The CY 2003 monitoring data were obtained from groundwater and surface water sampling locations in three hydrogeologic regimes at Y-12 (Figure A.1). The Bear Creek Hydrogeologic Regime (Bear Creek Regime) encompasses a section of Bear Creek Valley (BCV) between the west end of Y-12 and the west end of the Bear Creek Watershed (directions are in reference to the Y-12 grid system). The Upper East Fork Poplar Creek Hydrogeologic Regime (East Fork Regime) encompasses the Y-12 industrial facilities and support structures in BCV. The Chestnut Ridge Hydrogeologic Regime (Chestnut Ridge Regime) encompasses a section of Chestnut Ridge south of Y-12. The CY 2003 monitoring data were obtained under the Y-12 Groundwater Protection Program (GWPP) managed by BWXT Y-12, L.L.C. (BWXT) and several monitoring programs managed by Bechtel Jacobs Company LLC (BJC). Data contained in this report meet applicable requirements of DOE Order 5400.1 and DOE Order 450.1 (Environmental Protection Program), and address requirements of the Environmental Monitoring Plan for the Oak Ridge Reservation (DOE 2003a) regarding evaluation of groundwater and surface water quality: (1) in areas which are, or could be, affected by operations at Y-12 (DOE Order 5400.1 surveillance monitoring) and (2) in areas where contaminants from Y-12 are most likely to migrate beyond the boundaries of the ORR (DOE Order 5400.1 exit pathway/perimeter monitoring). The following sections of this report provide details regarding the CY 2003 groundwater and surface water monitoring activities in the Bear Creek, East Fork, and Chestnut Ridge Regime. Section 2 briefly describes the hydrogeologic context and generalized extent of groundwater contamination in each regime. Section 3 describes the monitoring programs implemented and sampling activities performed during CY 2003, including the sampling locations in each hydrogeologic regime and the associated quality assurance/quality control (QA/QC) sampling; groundwater and surface water sample collection; field measurements and laboratory analytes; data management protocols and data quality objectives (DQOs); and groundwater elevation monitoring in each regime. Section 4 presents an evaluation of the CY 2003 monitoring data to meet provisions of DOE Order 5400.1 and 450.1 (surveillance and exit pathway/perimeter monitoring), and Section 5 lists the documents cited for more detailed operational, regulatory, and technical information. The narrative sections of the report reference several appendices. Figures (maps and diagrams) and tables (excluding data summary tables presented in the narrative sections) are in Appendix A and Appendix B, respectively. Monitoring well construction details are in Appendix C. Results of field measurements and laboratory analyses of the groundwater and surface water samples collected during CY 2003 are in Appendix D (Bear Creek Regime), Appendix E (East Fork Regime and surrounding areas), and Appendix F (Chestnut Ridge Regime). Appendix G contains data for QA/QC samples associated with monitoring performed by the Y-12 GWPP.
- Research Organization:
- Oak Ridge Y-12 Plant, Oak Ridge, TN (US)
- Sponsoring Organization:
- USDOE; USDOE Office of Defense Programs (DP) (US)
- DOE Contract Number:
- AC05-00OR22800; 4300030332
- OSTI ID:
- 841201
- Report Number(s):
- Y/SUB/04-030332/1; TRN: US200513%%515
- Resource Relation:
- Other Information: PBD: 30 Sep 2004
- Country of Publication:
- United States
- Language:
- English
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