Community Updates and Public Involvement Documents
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Fact Sheets and Community Updates
- Community Update: Santa Susana Field Laboratory Area I Burn Pit – November 2024
- Fact Sheet: SSFL Soil Smarts Workshop #1 – Background on Background – November 2024
- Fact Sheet: SSFL Soil Smarts Workshop #2 – Establishing Chemical Look-up Tables – November 2024
- Fact Sheet: SSFL Soil Smarts Workshop #3 – Digging into Soil Cleanup – November 2024
- Fact Sheet: SSFL Soil Smarts Workshop #4 – When the Test is Wrong – November 2024
- Fact Sheet: SSFL Soil Smarts Workshop #5 – Unearthing a Better Approach – November 2024
- Community Update: SSFL Soil Smarts Workshops – October 2024
- Fact Sheet: SSFL Confirmation Sampling Fact Sheet – October 2024
- Community Update: SSFL Groundwater U Workshops – January 2024
- Community Update: Santa Susana Field Laboratory Area I Burn Pit RAW -October 2023
- Community Update: Completion of the Santa Susana Field Laboratory Final Program Environmental Impact Report – July 2023
- Community Update: Former Rocketdyne-Atomics International Rifle and Pistol Club Shooting Range and Overshot Area pursuant to Imminent and Substantial Endangerment Determination and Consent Order – April 2023
- Community Update: DTSC Issues Amended Order on Consent for Interim Response Action for Clean-up of Santa Susana Field Laboratory – November 2020
- Community Update: Comprehensive Framework Holds Boeing Accountable for Cleanup at Santa Susana Field Laboratory – May 2022
- Community Update: Interim Response Action Begins – July 2020
- Community Update: Notice of Extension of the Public Comment Period for the Draft Closure Plans for the U.S. Department of Energy Hazardous Waste Management Facility and Radioactive Materials Handling Facility – August 2018
- Draft DOE Closure Plan Community Update – August 2018
- Bi-Annual Meeting: Frequently Asked Questions – April 2018
- Bi-Annual Meeting: Update Regarding Offsite Investigations – April 2018
- Bi -Annual Meeting: DTSC Update Regarding Boeing Monitoring – April 2018
- Bi-Annual Meeting: DTSC Update Regarding DOE Monitoring – April 2018
- Bi-Annual Meeting: DTSC Update Regarding NASA Monitoring – April 2018
- Bi-Annual Meeting: Groundwater Monitoring Update – April 2018
- Bi-Annual Meeting: Update Regarding Shooting Range Investigations – April 2018
- Bi-Annual Meeting: Total Petroleum Hydrocarbons Fact Sheet – April 2018
- Email Blast Update Noticing the 45-Day Public Comment Period Extension for the Draft Environmental Impact Report and Draft Program Management Plan – September 2017
- Draft Program Environmental Impact Report Community Update – September 2017
- Community Update: Bi-Annual Meeting – April 2016
- Fact Sheet: Public Comments Sought – July 2011
- Proposed Standard Operating Procedures for Future Building Demolition Available for Review – March 2010
- FAQs Regarding the Draft Consent Order for Response Action – November 2009
- DTSC Issues Order to Boeing and NASA to Take Action on Sage Ranch – November 2007
- DTSC Responds to Questions/Concerns REVISED March 2007 – December 2006
- Draft Soil Removal Plan Available for Comment – July 2006
- Work Notice: Interim Measures Have Begun – July 2004
- Santa Susana Field Laboratory: Update on Perchlorate Investigation in Simi Valley – September 2003
- Perchlorate Identified in Simi Valley Groundwater – December 2002
- Santa Susana Field Laboratory: RCRA Facility Site Investigation – April 2002
News Releases
- Media Advisory: DTSC Orders DOE to Remove 8 More Buildings at Santa Susana Field Laboratory – November 2020
- Media Advisory: DTSC Extends Public Comment Period for SSFL Draft Program Environmental Impact Report – December 2017
- DTSC Releases Draft PEIR and Program Management Plan for Santa Susana Field Lab – September 2017
- DTSC Releases New Draft Order for Cleanup of Santa Susana Field Laboratory – November 2009
- Letter to Mr. Rick Bianchi, Division Manager, Centex Homes – October 2008
- State Announces Finding Regarding Simi Valley Property – October 2008
- State Orders Immediate Tests of Debris Found at Former Shooting Range – August 2008
- DTSC Director Ed Lowry to Meet with Community Members Regarding Santa Susana Field Laboratory Site – July 2003
- State Approves Agreement for Rocketdyne Environmental Impact Report – March 2000
Public Notices
- Public Notice for Boeing Land Use Covenant
- CA Issues Legal Order for Clean-up Community Meeting – May 2020
- Extension of the Public Comment Period for the Draft Closure Plans for the U.S. Department of Energy Hazardous Waste Management Facility and Radioactive Materials Handling Facility – August 2018
- SSFL DOE Draft Closure Plans Public Notice – August 2018
- DTSC Extends the Public Comment Period for the Santa Susana Field Laboratory Draft Program Environmental Impact Report and Program Management Plan – December 2017
- SSFL Draft Program Environmental Impact Report and Draft Program Management Plan Available for Review and Public Comment – September 2017
- SSFL SAVE THE DATE – Risk Assessment_09082015 – August 2015
- Bi-Annual Update Meeting – April 28, 2015 – April 2015
- Sitewide Groundwater Remedial Investigation Report – July 2011
- Remedial Investigation Report and Notice of Public Comment Period – May 2011
- Remedial Investigation Report and Notice of Public Comment Period – May 2011
- Group 7 RCRA Investigation Report Availability for Comment – February 2010
- DTSC invites comments on Water Quality Sampling and Analysis Plan – January 2010
- Public Comment Period on the Draft Cleanup Orders Extended – September 2009
- Groups 1A and 10 RCRA Facility Investigation Report – July 2009
- Group 4 RFI SAP Available for Comment – June 2009
- The Group 2 RCRA Facility Investigation Report – April 2009
- The Group 5 RCRA Facility Investigation Report – March 2009
- Permit Appeal Briefing Period – November 2008
- Group 6 RCRA Facility Investigation Sampling and Analysis Plan Available for Comment – October 2008
- SSFL: Public Notice – Draft Group 8 RCRA Facility Investigation Report – September 2008
- Open House and New Investigation Work Plan for Area I Burn Pit – May 2008
- Draft Group 4 RCRA Facility Investigation Report Available for Comment – October 2007
- SSFL Meeting Notices for September – September 2007
- Notice of Public Comment Extension for Santa Susana Field Laboratory – August 2007
- SSFL Meeting Notices for August (Updated) – August 2007
- SSFL Meeting Notices for August – July 2007
- SSFL Meeting Notices for July 2007 – July 2007
- SSFL Meeting Notices for June 2007 – June 2007
- SSFL Workgroup Meeting – February 2007 – EPA Notice for Meeting – February 2007
- Meeting to be held August 31 – Public Hearing/Comment Period Cancelled – August 2006
- Public Comment Period Extended Draft Revised Interim Measures Work Plan – August 2006
Community Surveys
Community surveys allow DTSC to proactively seek public input. Public Participation staff use survey results to inform decisions regarding workshops, meetings, and other related community communication and participation activities. For the most recent SSFL Community Survey Results, please visit the SSFL What’s New page.
- 2025 Santa Susana Field Laboratory Annual Community Survey – January 2025
- 2024 SSFL Annual Community Survey – April 2024
- 2024 GWU Listening Survey & Response Data – April 2024
- 2023 Santa Susana Field Laboratory Full Community Survey & Response Data – April 2024
- 2023 AIBP RAW Community Survey -October 2023
- 2023 Santa Susana Field Laboratory Oversight Guidance and Community Survey – October 2023
- 2023 Santa Susana Field Laboratory Community Survey One Sheet – April 2023
Project-Related Documents
- Work Notice: SSFL Area I Burn Pit IS&E Raw Cleanup – January 2024
- Work Notice: Former Shooting Range – May 2023
- Work Notice: Amendment to Order on Consent for Interim Response Action at the RMHF (6th Work Notice) – February 2022
- Work Notice: Amendment to Order on Consent for Interim Response Action at the RMHF (5th Work Notice) – August 2021
- Work Notice: Amendment to Order on Consent for Interim Response Action at the RMHF (4th Work Notice) – April 2021
- Work Notice: Amendment to Order on Consent for Interim Response Action at the RMHF (3rd Work Notice) – March 2021
- Work Notice: Amendment to Order on Consent for Interim Response Action at the RMHF (2nd Work Notice) – March 2021
- Work Notice: Amendment to Order on Consent for Interim Response Action at the RMHF – January 2021
- Amendment to Order on Consent for Interim Response Action at the RMHF – October 2020
- Work Notice: Facility Interim Response Action (3rd Work Notice) – October 2020
- Community Meeting Presentation for RMHF Order on Consent – June 2020
- Work Notice: Facility Interim Response Action – August 2020
- Work Notice: Interim Response Action – July 2020
- NASA Releases Draft EIS for Santa Susana Field Laboratory Property – August 2013
- DTSC’s Response to the Community Advisory Group Petition – March 2010
- Draft Consent Order for Response Action – Legend of Changes – November 2009
- Draft Consent Order for Response Action – November 2009
- The Group 3 Remedial Investigation (RI) Report – October 2009
- Joint Letter from DOE and NASA – September 2009
- Draft 2.0 Consent Order for Public Comment – September 2009
- Draft 1.9 Consent Order for Public Comment – August 2009
- Final Appeal Decision Transmittal – April 2009
- Final Appeal Decision and Order on Permit Modification Decisions – April 2009
- Appeal Briefing Arguments from The Boeing Company – December 2008
- Permit Appeal Briefing Arguments from Ms. Walsh – December 2008
- Permit Appeal Briefing Arguments from Mr. Bowling – December 2008
- Permit Appeal Briefing Arguments from DTSC – December 2008
- Order to Grant Petition for Review and Denial of Review – November 2008
- Transmittal Letter for Order to Grant Petition for Review and Denial of Review – November 2008
- Letter dated September 4 2007 from NRiley (DTSC) to TGallacher (Boeing) re Notification to defer DTSC final comments on Group 6 RFI Report pending completion of DOE Area IV investigation – September 2007
- SSFL Weekly Activity Report, Week of Sept. 9 – Sept 8, 2007 – September 2007
- Sodium Reactor Experiment Decommissioning Environmental Evaluation Report – September 2007
- SRE Site Survey Plan Results – September 2007
- Letter to M.Gallacher Sept 4, 2007 – September 2007
- Consent Order for Corrective Action – August 2007
- Weekly Activity Report Week of August 5 – August 11, 2007 – August 2007
- Weekly Activity Report Week of July 29 – August 4, 2007 – August 2007
- Letter from N Riley to T Johnson dated August 7 2007 re Comments on the Draft Statement of Work for Preparation of an EIR for Area IV of the SSFL – August 2007
- Comments on the Draft Environmental Assessment for the Cleanup and Closure of the Energy Technology Engineering Center (ETEC), Simi Valley, California, Dated January 2002 – August 2007
- SSFL Surface Vapor reports, – July 2007
- Vapor Migration Modeling Validation Study – July 2007
- Group 6 Historical Documents Index – RFI Group 6 – July 2007
- Group 6 Historical Documents Index – RFI MultiGroup – July 2007
- Group 6 Historical Documents Index – FRI Site Wide – July 2007
- WorkPlan Phase 3 groundwater site conceptual model – July 2007
- WorkPlan Phase 2 groundwater site conceptual model – July 2007
- Discontinuation of DOE Activities at the Santa Susana Field Laboratory, Simi Valley, California – July 2007
- Public Notice: Draft Group 6 RCRA Facility Investigation Report Available for Review – June 2007
- SSFL Contacts – June 2007
- DTSC SSFL Project Team (June 1, 2007) – June 2007
- Closure of HWM Units at the Radiological Materials Handling Facility, Boeing Santa Susana Field Laboratory, Simi Valley, CA – June 2007
- Closure of HWM Units at the Radiological Materials handling Facility, Boeing, Santa Susana Field Laboratory, Simi Valley, CA – May 2007
- Letter to Assemblymember Julia Brownley Regarding DTSC’s Regulatory Role with SSFL – May 2007
- Letter to Supervisor Foy regarding 051607 Meeting – May 2007
- Letter from Assemblymember Julia Brownley regarding SSFL Closure Plan – May 2007
- Requirement to Submit Groundwater Interim Measures Workplan and Reinitiate Certain Extraction Wells, Santa Susana Field Laboratory, Ventura County – April 2007
- Letter to Senator Kuehl appointing Norm Riley as head of SSFL Project – April 2007
- Radioactive Materials Handling Facility (RMHF) Resource Conservation and Recovery Act (RCRA) Closure Requirements IntegrSSFL RMHF RCRA CERCLA Non- – April 2007
- Project Management at the Boeing Santa Susana Field Laboratory Facility – April 2007
- SSFL Response Letter to West Valley Mothers for Retinoblastoma Awareness – March 2007
- Technical Review of Historical Documents for Santa Susana Field Laboratory – March 2007
- SSFL-Letter from West Valley Mothers Regarding DTSC’s Retinoblastoma Statement, 020907 – February 2007
- SSFL – DHS/RHB Review of Soils and Materials from Hazardous Waste Mgmt. Facility (Building 29 & 133) – February 2007
- SSFL – Submittal of Historical Documents for Group 6 RCRA Facility Investigation Report – February 2007
- Submittal of Historical Documents for Group 6 RCRA Facility Investigation Report, Santa Susana Field Laboratory, Ventura County – February 2007
- SSFL Workgroup Meeting – February 2007 – Presentation by J Pappas – Update on Area I Burn Pit Activities – February 2007
- SSFL Workgroup Meeting – February 2007 – Presentation by J Pappas – Corrective Action Overview – February 2007
- SSFL Workgroup Meeting – February 2007 – DTSC Presentation Agenda – February 2007
- SSFL Workgroup Meeting – February 2007 – Meeting Agenda – February 2007
- SSFL Workgroup Meeting – February 2007 – Presentation by L Rainey – RFI Investigation Group 6 Area – February 2007
- Letter: Response to Postcards from Community Regarding Santa Susana Field Laboratory – February 2007
- SSFL-SRAM Groundwater Comparison Data Set And Comparison Concentrations Report – February 2007
- SRAM Rev. 2, Soil Background Report, Appendix C – Plots – February 2007
- SRAM Rev. 2, Appendix B. Data Validation Findings and Laboratory Information – February 2007
- SRAM Rev. 2, Appendix A, Sample Location Descriptions – February 2007
- SRAM Rev. 2, Soil Background Report, Final – February 2007
- SRAM Rev. 2, Figures and Diagrams, Vol. 2 – February 2007
- SRAM Rev. 2, Workplan – Revision 2, Final – February 2007
- Letter to Boeing: Requirement to Collect Unfiltered Groundwater Samples During Water Quality Sampling – January 2007
- Order petition for Review of DTSC’s Decision – January 2007
- Appeal of Permit Decision: Santa Susana Field Laboratory EPA ID. No.: CAD 000 629 972 – December 2006
- Request for Electronic Documents – December 2006
- RFI Workplan for Area I Burn Pit – December 2006
- Draft RFI for Group 6 – November 2006
- Request for DTSC to Review Data – November 2006
- Letter – Incomplete Submittal of the RCRA Facility Investigation – October 2006
- RFI Draft Work Plan – Figure 5 – October 2006
- RFI Draft Work Plan – Submittal – October 2006
- RFI Draft Work Plan – Draft Text – October 2006
- RFI Draft Work Plan – Tables – October 2006
- RFI Draft Work Plan – App A Tables – October 2006
- RFI Draft Work Plan – Figure 1A – October 2006
- RFI Draft Work Plan – Figure 1B – October 2006
- RFI Draft Work Plan – Figure 2 – October 2006
- RFI Draft Work Plan – Figure 3 – October 2006
- RFI Draft Work Plan – Figure 4 – October 2006
- RFI Draft Work Plan – Figure 6 – October 2006
- RFI Draft Work Plan – Figure 7 – October 2006
- RFI Draft Work Plan – Figure 8 – October 2006
- RFI Draft Work Plan – Figure 9 – October 2006
- Submittal Certification – October 2006
- Letter October 5, 2006 – October 2006
- Santa Susana – Requirement of Airborne Assessment – September 2006
- Santa Susana – Requirement for Submittal of Historical Records – September 2006
- Santa Susana – Summary of Meeting Notes, March 2006 – September 2006
- Requirement for Submittal of Historical Records and Documents – September 2006
- RCRA Facility Investigation (RFI) Report – September 2006
- Requirement for Submittal of RFI Workplan – August 2006
- Area 1 Burn Pit, Historical Documents – Volume 1 – August 2006
- Area 1 Burn Pit, Historical Documents – Volume 2 – August 2006
- Area 1 Burn Pit, Historical Documents – Volume 3 – August 2006
- Area 1 Burn Pit, Historical Documents – Volume 4 – August 2006
- Area 1 Burn Pit, Historical Documents – Volume 5A – August 2006
- Area 1 Burn Pit, Historical Documents Volume 5B – August 2006
- Area 1 Burn Pit, Historical Documents – Volume 5 – August 2006
- Area 1 Burn Pit, Historical Documents – Volume 6 – August 2006
- Area 1 Burn Pit, Historical Records – Disposal Inventory – August 2006
- Area 1 Burn Pit, Historical Records – Hypergol Ignition – Part 1 – August 2006
- Area 1 Burn Pit, Historical Records – Hypergol Ignition – Part 2 – August 2006
- Historical Records: Area I Burn Pit – Part 2 – August 2006
(2.7 MB) - Historical Records: Area I Burn Pit – Part 1 – August 2006
(3 MB) - Area I Radiological Screening Procedures – August 2006
- Erosion And Sediment Control Plan – August 2006
- Transportation Plan for Interim Measures – August 2006
- Draft Notice of Exemption for Area 1 Burn Pit IM – July 2006
- Revised Interim Measures 6-9-06 – June 2006
- Memorandum: Filtering Requirements for Ground-water sample collection procedures – May 2006
- HWMF Closure Plan Public Notice of Decision – Appeal Period – February 2006
- HWMF Closure Plan Response to Comments – February 2006
- HWMF Closure Plan Negative Declaration – February 2006
- HWMF Closure Plan Decision Letter – February 2006
- Thermal Treatment Facility Letter 1-27-06 – January 2006
- Letter Request for Documents in Electronic Format 1-25-06 – January 2006
- Letter 12-28-05 – December 2005
- HWMF Closure Plan Initial Study – November 2005
- North East Chatsworth letter 11-10-05 – November 2005
- Risk Assessment Letter – November 2005
- Guidance: Clarification of RFI Requirements – June 2005
- Guidance: Approval of Interim Measure Implementation Report – June 2005
- Guidance: Review of Interim Measure Implementation Report – June 2005
- Guidance: Conditional Approval for the RFI Workplan Addendum Amendment – May 2005
- Santa Susana – Boeing Petition for Review of Class 2 Permit Modification – December 2004
- Santa Susana – Mr. Chandler Petition for Review of Class 2 Permit Modification – December 2004
- SSFL Permit Modification Letter of Decision – November 2004
- SSFL Areas I and III Post Closure Permit Modification Part I – November 2004
- SSFL Areas I and III Post Closure Permit Modification Part 2 – November 2004
- SSFL Area II Post Closure Permit Modification Part 1 – November 2004
- SSFL Area II Post Closure Permit Modification Part 2 – November 2004
- SSFL Permit Modification Response to Public Comments – November 2004
- Public Notice: DTSC Approves Permit Modification – November 2004
- Review of Data Packages – September 28, 2004 – September 2004
- Review of Lockheed Martin Report on Audit of Data Packages – September 2004
(2.1 MB) - Approval for Northeast Groundwater Characterization Report Time Extension – September 2004
- Review of Data Packages – September 7, 2004 – September 2004
- Report of Results Phase 1 of Northeast Investigation Area Groundwater Characterization, Volume I of III – September 2004
- Review of Data Packages – August 10, 2004 – August 2004
- RCRA Facility Investigation Program Report Surficial Media Operable Unit, Volume 1 – July 2004
- RCRA Facility Investigation (RFI) Report – RFI Report Review – July 2004
- RCRA Facility Investigation (RFI) Report – Old Conservation Yard RFI Site Location Map – July 2004
- RCRA Facility Investigation (RFI) Report – Chemical Use Areas (East) RFI Site Location Map – July 2004
- RCRA Facility Investigation (RFI) Report – Soil Vapor Sampling Results RFI Site Location Map – July 2004
- RCRA Facility Investigation (RFI) Report – Soil Matrix Sampling Results RFI Site Location Map – July 2004
- Data Review Of Perchlorate Test Results For Samples Collected At Bathtub Well #1 (OS-9), Brandeis Bardin, for Boeing Rocketdyne Project (August 12, 2003) – April 2004
- Assistance Request For Community Member Concerns, West Hills, Los Angeles County, California – April 2004
- Boeing Rocketdyne-SSFL Field Laboratory RFI Review of Lockheed Martin Report on Audit of Data Packages – April 2004
- Bioremediation of Perchlorate Contaminated Soils at Boeing Santa Susana Field Laboratory – April 2004
- Review of Data Packages, Boeing Rocketdyne-SSFL RFI – February 2004
- Data Review, Ahmanson Ranch Sample: AMEC Data Review Report, September 19, 2003, Advanced Technology Laboratories Revised Report, Oct. 16, 2003 – November 2003
- Data Review of Perchlorate Test Results for Samples Collected at Bathtub Well #1, Brandeis Bardin, for the Boeing Rocketdyne Project – September 2003
- Santa Susana Field Laboratory: Draft Perchlorate Characterization Work Plan – August 2003
- Santa Susana Field Laboratory: Draft Happy Valley Interim Measures Work Plan Addendum – August 2003
- Meet the Director at the Santa Susana Field Laboratory Site Community Meeting – July 2003
- Public Notice, Temporary Authorization, The Boeing Company, Santa Susana Field Laboratory – July 2003
- Santa Susana Field Laboratory Community Survey Results – May 2003
- Notice of Determination Class 2 Permit Modification Request Post-Closure hazardous Waste Facility Permits – November 2001
- Santa Susana Field Laboratory: Draft Happy Valley Interim Measures Work Plan Addendum Amendment
(4.7 MB) - Santa Susana Field Laboratory: Draft Happy Valley Interim Measures Work Plan Addendum; Agency Correspondence
(1.2 MB) - Santa Susana Field Laboratory: Draft Happy Valley Interim Measures Work Plan Addendum; Maps
(3.4 MB) - Santa Susana Field Laboratory: Draft Happy Valley Interim Measures Work Plan Addendum; Tables
- Santa Susana Field Laboratory: Draft Perchlorate Characterization Work Plan; Map 2
(2 MB) - Santa Susana Field Laboratory: Draft Perchlorate Characterization Work Plan; Map 1
(1.9 MB) - Santa Susana Field Laboratory: Draft Perchlorate Characterization Work Plan; Tables, Figures, Appendices
(2.5 MB) - SSFL Workgroup Meeting – February 2007 – Presentation by T Seckington – SSFL Groundwater Investigation
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