| Correspondence |
| |
Publication
Date |
File Size |
| Schedule Extension for DTSC Review of Boeing’s Final Groundwater Corrective Measures Study Report and Release of the Draft DTSC Statement of Basis |
February 2026 |
531 KB |
| Approval of NASA Final Phase 1 Groundwater CMS |
January 2026 |
428 KB |
| DTSC Comments on the Boeing Bedrock Vapor Extraction Pilot Study Report |
December 2025 |
918 KB |
| DTSC Approval of the NASA Baseline Vapor Sampling for the Alfa Area Bedrock Vapor Extraction (BVE) Pilot Study |
June 2024 |
105 KB |
| DTSC Second Round of Responses to DOE’s Responses Regarding the 2020 Groundwater Corrective Measures Study |
September 2023 |
776 KB |
| DTSC Approval Email for the Bravo Area Bedrock Vapor Extraction Data Gap Work Plan |
August 2023 |
32 KB |
| DOE Responses to LARWQCB and DTSC Comments on Draft Groundwater CMS |
May 2023 |
544 KB |
| DTSC Comments on RCRA Limited CMS Workplan Addendum, Surficial Media Operable Unit, for Boeing RFI Subareas |
May 2023 |
325 KB |
| DTSC/RWQCB Responses to DOE’s Responses to DTSC and RWQCB Comments on the DOE Groundwater Corrective Measures Study |
April 2023 |
436 KB |
| DTSC Response to NASA RTCs on the Groundwater CMS Remedy Implementation Program Investigation Report, Former LOX Plant Bedrock Vapor Data Gap Investigation |
March 2023 |
226 KB |
| DTSC Approval Letter for NASA’s Coca Plume Data Gap Well Installation Workplan |
March 2023 |
368 KB |
| NASA RTCs on the Groundwater CMS Remedy Implementation Program Investigation Report, Former LOX Plant Bedrock Vapor Data Gap Investigation |
February 2023 |
330 KB |
| DOE Response to DTSC and RWQCB Comments on Groundwater CMS |
January 2023 |
580 KB |
| DOE Response to DTSC and RWQCB Comments on Groundwater CMS_ |
December 2022 |
350 KB |
| DTSC Comments on Boeing's CTL-III C-33 Scope of Work and BVE Work Plan |
October 2022 |
334 KB |
| Letter form Michael Bower, Boeing to Grant Cope, DTSC regarding DTSC’s November 19, 2019 Directive Regarding Groundwater Corrective Measures Studies and Risk Assessments at SSFL |
January 2021 |
115 KB |
| Enhanced In Situ Bioremediation (EISB) Pilot Study Work Plan Approval Letter |
September 2020 |
153 KB |
| Letter from David Dassler, Boeing to Director Meredith Williams, DTSC responding to DTSC letter dated Nov 19 2019 regarding Groundwater Corrective Measures Studies and Risk Assessments |
December 2019 |
189 KB |
| DTSC Comments for CMS GW Risk Assessment Goals |
November 2019 |
122 KB |
| Area IV Bedrock Investigation HMSA - Work Plan Addendum |
April 2018 |
1.1 MB |
| Area IV Bedrock Investigation FSDF – Work Plan Addendum |
April 2018 |
1.0 MB |
| Area IV Groundwater Source Investigations - Work Plan Addendum |
April 2018 |
2.7 MB |
| Technical Memorandum - FSDF Source Investigation - Soil Gas Sampling Progress Report - February 27, 2018 |
February 2018 |
2.2 MB |
| DTSC Letter re: Feasibility Study Work Plan |
June 2013 |
887 KB |
| Letter and Letter of Transmittal from Thomas Gallacher/Boeing to Norman Riley/DTSC Regarding Feasibility Study Work Plan April 2009 |
April 2009 |
121 KB |
