| Work Plans |
| Site-Wide Groundwater Characterization Work Plan |
Publication
Date |
File Size |
| Site-Wide Groundwater Characterization Work Plan - Appendix B Historical Maximum Concentration Maps |
January 2008 |
1.4 MB |
| Sitewide Groundwater Characterization Work Plan - Appendix A Well Booklet Update |
January 2008 |
3.0 MB |
| Sitewide Groundwater Characterization Workplan - Text and Figures |
January 2008 |
1.0 MB |
|
| Phase 2 Technical Memo |
Publication
Date |
File Size |
| Phase 2 Northeast Area Groundwater Characterization - Document Index |
January 2008 |
25 KB |
|
| Other Workplans |
Publication
Date |
File Size |
| DTSC Comments on the DOE Area IV Groundwater Data Gap Work Plan Addendum 3 |
January 2026 |
259 KB |
| DTSC Approval of DOE Final Borehole Isolation Report and Final Work Plan Addendum 2 |
December 2025 |
281 KB |
| DOE Area IV Groundwater Data Gap Work Plan |
October 2025 |
15.1 MB |
| DOE Responses to DTSC Review Comments on the Borehole Isolation Report |
October 2025 |
81 KB |
| DOE Responses to DTSC Review Comments on the Borehole Isolation Work Plan for the FSDF Addendum 2 |
October 2025 |
85 KB |
| DTSC Comments on the DOE Geophysical Survey and Characterization of Metals in Soil and Groundwater at the Old Conservation Yard (OCY) |
September 2025 |
389 KB |
| Cover Letter - Revised LARWQCB Waste Discharge Requirements Permit for HMSA Groundwater Pilot Study |
September 2025 |
3.2 MB |
| Revised LARWQCB Waste Discharge Requirements Permit for HMSA Groundwater Pilot Study |
September 2025 |
3.1 MB |
| DOE Area IV Groundwater Data Gap Work Plan Addendum 3 |
August 2025 |
15.1 MB |
| DOE Draft Borehole Isolation Work Plan Addendum 2 for the Former Sodium Disposal Facility |
December 2024 |
14.1 MB |
| Geophysical Survey and Characterization of Metals in Soil and Groundwater at the Old Conservation Yard |
December 2024 |
24.5 MB |
| DTSC Approval of the DOE Final In Situ Biological and Chemical Reduction Pilot Test Work Plan for the Hazardous Material Storage Area (HMSA) |
January 2024 |
192 KB |
| Final Geophysical Survey Work Plan for the Old Conservation Yard, Area IV of the Santa Susana Field Laboratory |
November 2023 |
2.6 MB |
| Final Area IV Groundwater Data Gap Well Installation Work Plan Addendum 2 for the Hazardous Materials Storage Area |
October 2023 |
4.2 MB |
| Draft Area IV Groundwater Data Gap Well Installation Work Plan Addendum 2 for the Hazardous Materials Storage Area |
September 2023 |
3.8 MB |
| Draft Geophysical Survey Work Plan for the Old Conservation Yard (OCY), Area IV of the Santa Susana Field Laboratory |
July 2023 |
2.5 MB |
| DOE Final Borehole Isolation Work Plan Addendum for the Former Sodium Disposal Facility |
June 2023 |
9.5 MB |
| DTSC Approval of the Draft Borehole Isolation Work Plan Addendum for the Former Sodium Disposal Facility |
June 2023 |
128 KB |
| NASA Workplan for Slant Boring ND-118 |
December 2019 |
12.7 MB |
| NASA Workplan for Slant Boring ND-118 |
September 2019 |
12.4 MB |
| DTSC Approval of NASA Well ND-138 Installation |
April 2019 |
14.4 MB |
| DOE Work Plan for Modification of Borehole RD-23 |
April 2019 |
6.4 MB |
| DTSC Comments on NASA GWIM Well ND-138 Workplan |
February 2019 |
2.9 MB |
| NASA Workplan for Replacement of GWIM Well ND-138 (revised per DTSC comments) |
February 2019 |
12.7 MB |
| SSFL Work Plan Addendum for Four Area I Monitoring Wells (revised per DTSC comments) |
January 2016 |
8.7 MB |
| Department of Energy (DOE) RCRA Facility Investigation Groundwater Work Plan Portions of Area IV under DOE Responsibility |
November 2015 |
38.8 MB |
| Draft Master RCRA Facility Investigation Data Gap Work Plan Addendum, Boeing Area IV Groundwater Evaluation |
October 2015 |
9.6 MB |
| NASA Final Area of Impacted Groundwater Investigation Work Plan for Alfa/Bravo Areas |
January 2015 |
15.5 MB |
| Characterization Plan - Coca/Delta Areas of Impacted Groundwater at the Santa Susana Field Laboratory |
November 2014 |
45.5 MB |
| NASA Final Area of Impacted Groundwater Investigation Work Plan for Coca/Delta Areas |
November 2014 |
45.6 MB |
| NASA Final Area of Impacted Groundwater Work Plan for Liquid Oxygen (LOX) Plant |
October 2014 |
22.8 MB |
| NASA Final Area of Impacted Groundwater Investigation Workplan for ELV and B204 Areas |
September 2014 |
36.3 MB |
| Groundwater Interim Measures Workplan |
August 2007 |
1.0 MB |
| Documents Referenced in Groundwater Interim Measures Workplan |
August 2007 |
6.9 MB |
| Workplan Phase 3 Groundwater Site Conceptual Model |
June 2007 |
4.1 MB |
| Workplan Phase 2 Groundwater Site Conceptual Model |
April 2007 |
4.6 MB |
| Area I Burn Pit SWMU 4.8 - Erosion and Sediment Control Plan |
August 2006 |
3.4 MB |
|
| Agency Review Comments |
Publication
Date |
File Size |
| Letter from Roger Paulson/DTSC to John Jones/DOE approving the Workplan for Characterization of Groundwater in Portions of Area IV |
November 2015 |
512 KB |
| Letter from Paul Carpenter/DTSC to Peter Zorba/NASA approving January 2015 Area of Impacted Groundwater Work Plan for Alfa/Bravo Areas |
March 2015 |
304 KB |
| Letter from Paul Carpenter/DTSC to Peter Zorba/NASA approving January 2015 Area of Impacted Groundwater Work Plan for Alfa/Bravo Areas |
March 2015 |
304 KB |
| Letter from Paul Carpenter/DTSC to Peter Zorba/NASA approving November 2014 Area of Impacted Groundwater Work Plan for Coca/Delta Areas |
November 2014 |
379 KB |
| Letter from Paul Carpenter/DTSC to Peter Zorba/NASA approving September 2014 Area of Impacted Groundwater Work Plan for Building 204 and ELV Areas |
October 2014 |
412 KB |
| Letter from Paul Carpenter to Peter Zorba/NASA approving May 2014 Area of Impacted Groundwater Work Plan for Liquid Oxygen (LOX) Plant |
May 2014 |
2.1 MB |
| Memorandum from Thomas Seckington/DTSC to Gerard Abrams/DTSC Regarding Site-Wide Groundwater Characterization Work Plan |
April 2009 |
664 KB |
|
| Correspondence |
Publication
Date |
File Size |
| DTSC Comments on the DOE Draft Borehole Isolation Workplan Addendum 2 and the Draft Borehole Interval Isolation Report for the Former Sodium Disposal Facility, |
May 2025 |
240 KB |
| DTSC Approval of Final Area IV Groundwater Data Gap Well Installation Work Plan Addendum 2 for the Hazardous Materials Storage Area |
October 2023 |
195 KB |
| DOE Reponse to DTSC Comments on the Area IV Groundwater Data Gap Well Installation Work Plan Addendum 2 for the Hazardous Materials Storage Area (HMSA) |
October 2023 |
4.1 MB |
| DTSC Review of Area IV Groundwater Data Gap Well Installation Work Plan Addendum 2 for the Hazardous Materials Storage Area (HMSA) |
October 2023 |
500 KB |
| DTSC Comments on the Boeing Company’s Approach for Identification of Historical Use of Per- and Polyfluoroalkyl Substances in the Boeing RFI Subareas, Santa Susana Field Laboratory, Ventura County, California |
September 2020 |
453 KB |
| Approach for Identification of Historical Use of Per- and Polyfluoroalkyl Substances in the Boeing RFI Subareas, Santa Susana Field Laboratory, Ventura County, California |
June 2020 |
148 KB |
| Letter from Thomas Seckington/DTSC to Allen Elliott/NASA, Tom Gallacher/Boeing, and Thomas Johnson/DOE Regarding Conditional Approval of Site-Wide Groundwater Characterization Work Plan, Santa Susana Laboratory - Dated January 2008 |
June 2009 |
114 KB |
| Letter from Thomas Seckington/DTSC to Allen Elliott/NASA, Tom Gallacher/Boeing, and Thomas Johnson/DOE Regarding Review of Work Plan, Site-Wide Groundwater Characterization, SSFL - January 2008 |
April 2009 |
635 KB |
| Letter from Thomas Seckington/DTSC to Allen Elliott/NASA, Tom Gallacher/Boeing, and Thomas Johnson/DOE Regarding Review of Work Plan, Site-Wide Groundwater Characterization, SSFL - January 2008 |
April 2009 |
826 KB |
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