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RCRA Facility Investigation - Groundwater

Interim Measures
Reports Publication
Date		 File Size
Former Sodium Disposal Facility Groundwater Interim Measure Status Report – 2024 Annual Report March 2025 25.2 MB
NASA Groundwater Extraction and Treatment System Performance Monitoring Summary, 2024 Annual Report March 2025 13.5 MB
DOE Former Sodium Disposal Facility Groundwater Interim Measure Status Report – Third Quarter 2024 December 2024 34.3 MB
Former Sodium Disposal Facility Groundwater Interim Measures Status Report - Second Quarter 2024 December 2024 22.9 MB
NASA Groundwater Extraction and Treatment System Performance Monitoring Summary, Third Quarter 2024 November 2024 4.7 MB
DOE Former Sodium Disposal Facility Groundwater Interim Measure Status Report - First Quarter 2024 October 2024 14.3 MB
NASA Groundwater Extraction and Treatment System Performance Monitoring Summary, Second Quarter 2024 August 2024 8.3 MB
DOE Second Quarter 2024 Groundwater Level Monitoring Data and Groundwater Interim Measure Report August 2024 563 KB
NASA Groundwater Extraction and Treatment System Performance Monitoring Summary, First Quarter 2024 May 2024 8.0 MB
DOE Former Sodium Disposal Facility (FSDF) Groundwater Interim Measure Status Report - 2022 November 2023 3.5 MB
NASA Groundwater Extraction and Treatment System Performance Monitoring Summary, Second Quarter 2023 November 2023 6.9 MB
NASA 1Q 2023 GETs Performance Monitoring Summary Report August 2023 7.9 MB
NASA 4th Quarter and Annual 2022 GETS Performance Monitoring Summary Report May 2023 4.1 MB
NASA 3Q 2022 GETs Performance Monitoring Summary Report January 2023 12.8 MB
NASA 2Q 2022 GETs Performance Monitoring Summary Report November 2022 3.3 MB
DOE 2021 Annual GWIM Status Report September 2022 4.1 MB
NASA 1Q 2022 GETs Performance Monitoring Summary Report September 2022 3.5 MB
NASA 4Q 2021 and Annual GETs Performance Monitoring Summary Report, Part 1 of 2 August 2022 11.2 MB
NASA 4Q 2021 and Annual GETs Performance Monitoring Summary Report, Part 2 of 2 August 2022 29.5 MB
NASA 3Q 2021 GETs Performance Monitoring Summary Report May 2022 2.4 MB
NASA 2Q 2021 GETs Performance Monitoring Summary Report February 2022 6.5 MB
Report on Sampling at Groundwater Interim Measure Wells - Cover Letter from David Dassler/Boeing to Mark Malinowski/DTSC August 2010 732 KB

Workplans Publication
Date		 File Size
DOE Final Installation Work Plan for the Former Sodium Disposal Facility Automated Groundwater Interim Measure May 2024 3.8 MB
DOE Draft Groundwater Interim Measure Automation Work Plan for the Former Sodium Disposal Facility August 2022 6.3 MB
DTSC Approval Letter for NASA ND-138 Optimization Testing Workplan July 2022 142 KB
NASA ND-138A Optimization Testing Work Plan May 2022 25.6 MB
Letter from Mark Malinowski/DTSC to Michael Bower/Boeing regarding Groundwater Remedial Investigation Data Gap Sampling and Analysis Plan March 2011 1.2 MB
Groundwater Interim Measures Workplan Addendum January 2009 4.7 MB
Groundwater Interim Measures Workplan Revision 2 July 2008 5.3 MB
Revised Groundwater Interim Measures Workplan January 2008 4.9 MB
Groundwater Interim Measures Workplan August 2007 1.0 MB

Agency Review Comments Publication
Date		 File Size
DTSC Response to Boeing's Response to DTSC Comments on the PFAS Preliminary Treatment Evaluation and WDR Discharge Limits for Iron and Manganese for the GWIM GETS March 2025 784 KB
DTSC Comments on the Boeing GWIM Extraction Treatment System Technical Memorandums: PFAS Preliminary Treatment Evaluation and WDR Discharge Limits for Iron and Manganese December 2024 632 KB
DTSC Comments on the DOE Former Sodium Disposal Facility (FSDF) Groundwater Interim Measure Status Report - 2022 May 2024 260 KB
DTSC Review of the DOE Deliverable for Q3, 2023 Groundwater Level Monitoring Data and Groundwater Interim Measure Report December 2023 196 KB
DTSC Response to DOE RTCs on the 2021 GWIM Status Report July 2023 193 KB
DTSC Comments on NASA’s 2021 GETS 2021 Annual Report July 2023 221 KB
DTSC Comments on Boeing’s 2021 Annual Groundwater Monitoring Report, GWIM Status Summary Report May 2023 204 KB
DTSC Comments on DOE’s 2021 FSDF GWIM Status Report Technical Memorandum May 2023 233 KB
DTSC letter on Groundwater Interim Measures Workplan August 2012 555 KB
Memorandum from Thomas Seckington/DTSC to Christoper Sherman/DTSC Regarding Groundwater Interim Measures Workplan (Revision 2) September 2008 776 KB
Memorandum from Christopher Sherman/DTSC to Thomas Seckington/DTSC Regarding Groundwater Interim Measures Workplan April 2008 2.1 MB

Correspondence Publication
Date		 File Size
Boeing Response to DTSC Review Comments of December 3, 2024 on the GWIM Extraction Treatment System Technical Memoranda: PFAS Preliminary Treatment Evaluation and WDR Discharge Limits for Iron and Manganese February 2025 98 KB
DTSC Reply to DOE Response to Comments on the 2022 Annual FSDF GWIM Status Report September 2024 184 KB
DOE Response to DTSC Comments on the Former Sodium Disposal Facility Groundwater Interim Measure Status Report - 2022 July 2024 92 KB
NASA Response to DTSC Request for Groundwater Pumping from SSFL Monitoring Well ND-169 February 2024 174 KB
DTSC Response to DOE Response to DTSC Comments on 2021 Status Report on the Former Sodium Disposal Facility Groundwater Interim Measure July 2023 193 KB
DOE Response to DTSC’s Comments on the 2021 GWIM Status Tech Memo for the FSDF June 2023 166 KB
DOE Area IV Groundwater Interim Measure 2020 Annual Report February 2021 1.4 MB
DOE Area IV Groundwater Interim Measure 2019 Annual Report June 2020 241 KB
DOE Area IV Groundwater Interim Measure Status December 2019 December 2019 1.4 MB
DOE Area IV Groundwater Interim Measure Status January 2019 January 2019 1.1 MB
DOE Area IV Groundwater Interim Measure Status November 2018 November 2018 1.1 MB
DOE Area IV Groundwater Interim Measure Status October 2018 Update October 2018 764 KB
Updated Groundwater Interim Measures Implementation Schedule September 2013 328 KB
Schedule for the Implementation of the Groundwater Interim Measures May 2013 436 KB
Response to Boeing regarding Groundwater Interim Measures Work Plan schedule April 2013 303 KB
Groundwater Interim Measures - Approval Letter March 2013 12.7 MB
Groundwater Interim Measures - Response to Comments March 2012 13.2 MB
Letter from Dave Dassler/Boeing to James Pappas/DTSC Regarding Groundwater Interim Measures Workplan December 2008 5.6 MB
Letter from James Pappas/DTSC to Allen Elliot/NASA, Tom Gallacher/Boeing, and Thomas Johnson/DOE Regarding Groundwater Interim Measures Workplan November 2008 417 KB
Groundwater Interim Measures Workplan (Revision 2) September 2008 772 KB
Letter from James Pappas/DTSC to Dave Dassler/Boeing Regarding Groundwater Interim Measures Workplan May 2008 501 KB
Letter from James Pappas/DTSC to Dave Dassler/Boeing Regarding Requirement to Submit Revised Groundwater Interim Measures Workplan November 2007 129 KB
Letter from James Pappas/DTSC to Dave Dassler/Boeing Regarding Requirement to Submit Groundwater Interim Measures Workplan and Reinitiate Certain Extraction Wells April 2007 179 KB

Photos Publication
Date		 File Size

Technical Memorandum Publication
Date		 File Size
Boeing Response to Comments Table and Revised Technical Memoranda ‐ Extraction Well Per and Polyfluoroalkyl Substances (PFAS) Results and Preliminary Treatment Evaluation, and Recommended Changes to Iron and Manganese Discharge Limits, Groundwater Interim Measures (GWIM) Groundwater Extraction and Treatment (GET) System April 2025 4.1 MB
Boeing Technical Memoranda - Extraction Well Per- and Polyfluoroalkyl Substances (PFAS) Results and Preliminary Treatment Evaluation, and Recommended Changes to Iron and Manganese Discharge Limits, Groundwater Interim Measures (GWIM) Groundwater Extraction and Treatment (GET) System, October 2024 3.4 MB
DTSC Comments on Boeing and NASA’s GETS Optimization Approach July 2023 182 KB
Final Technical Memorandum on the Optimization Approach for the Groundwater Extraction and Treatment System May 2023 4.6 MB
DTSC Comments for GETS Optimization Approach to Reduce Water Level Drawdown and Increase Mass Removal Efficiency January 2023 160 KB
Technical Memorandum on the Optimization Approach for the Groundwater Extraction and Treatment System December 2022 2.6 MB

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