The Department of Toxic Substances Control (DTSC) has prepared a Final Program Environmental Impact Report (PEIR) for the Santa Susana Field Laboratory (SSFL) under the California Environmental Quality Act (CEQA) to inform the public of possible impacts from the cleanup of contaminated soil and groundwater.

SSFL FPEIR Certification

DTSC has certified the Final Program Environmental Impact Report (PEIR) for SSFL under the California Environmental Quality Act (CEQA).

• SSFL Final PEIR Certification [611 KB]

SSFL FPEIR Documents

The Final PEIR consists of the Draft PEIR, comments and recommendations received on the Draft PEIR, the responses of the lead agency to significant environmental points raised in the review and consultation process, clarifications, revisions and updates to the Draft PEIR, and other information added by the lead agency in accordance with CEQA Guidelines Section 15132. Revisions made to the Draft PEIR are shown in underline/strikethrough.

• SSFL Final PEIR [80.44 MB]
• SSFL Draft PEIR [Revised] [16.38 MB]
• SSFL PEIR Appendix A – Program Management Plan [Revised]  [10.99 MB]
• SSFL PEIR Appendix B – Preliminary Screening Levels [Revised]  [7.89 MB]
• SSFL PEIR Appendix C – Notice of Preparation Scoping Report [Revised] (Part 1 of 2)  [82.30 MB]
• SSFL PEIR Appendix C – Notice of Preparation Scoping Report [Revised] (Part 2 of 2)  [69.89 MB]
• SSFL PEIR Appendix D – Air Quality Worksheets [Revised]  [34.39 MB]
• SSFL PEIR Appendix E – Greenhouse Gas Worksheets [Revised]  [18.28 MB]
• SSFL PEIR Appendix F – Health Risk Modeling [Revised]  [28.63 MB]
• SSFL PEIR Appendix G – Risk of Upset Worksheets [Revised]  [866 KB]
• SSFL PEIR Appendix H – Traffic Study [Revised]  [35.68 MB]
• SSFL PEIR Appendix I – Noise Calculations and Blasting [Revised]  [1.95 MB]
• SSFL PEIR Appendix J – Transportation Feasibility Analysis [Revised]  [11.42 MB]
• SSFL PEIR Appendix K – Excavation Disposal Estimate for Boeing Areas I, III, and SBZ [Revised]  [98.29 MB]
• SSFL PEIR Appendix L – Meeting Transcripts  [95.66 MB]
• SSFL PEIR Appendix M – Comment Letters, Subsection 1 – Local Agencies  [38.19 MB]
• SSFL PEIR Appendix M – Comment Letters, Subsection 2 – State Agencies  [6.70 MB]
• SSFL PEIR Appendix M – Comment Letters, Subsection 3 – Federal Agencies  [20.12 MB]
• SSFL PEIR Appendix M – Comment Letters, Subsection 4 – Tribes  [6.10 MB]
• SSFL PEIR Appendix M – Comment Letters, Subsection 5a – Organizations  [61.68 MB]
• SSFL PEIR Appendix M – Comment Letters, Subsection 5b – Organizations  [79.49 MB]
• SSFL PEIR Appendix M – Comment Letters, Subsection 5c – Organizations  [70.78 MB]
• SSFL PEIR Appendix M – Comment Letters, Subsection 5d – CD Materials  [75.36 MB]
• SSFL PEIR Appendix M – Comment Letters, Subsection 5e – CD Materials  [86.40 MB]
• SSFL PEIR Appendix M – Comment Letters, Subsection 5f – CD Materials  [72.76 MB]
• SSFL PEIR Appendix M – Comment Letters, Subsection 5g – CD Materials  [60.59 MB]
• SSFL PEIR Appendix M – Comment Letters, Subsection 5h – CD Materials  [87.06 MB]
• SSFL PEIR Appendix M – Comment Letters, Subsection 5i – CD Materials  [74.82 MB]
• SSFL PEIR Appendix M – Comment Letters, Subsection 5j – CD Materials  [78.78 MB]
• SSFL PEIR Appendix M – Comment Letters, Subsection 5k – CD Materials  [91.67 MB]
• SSFL PEIR Appendix M – Comment Letters, Subsection 5l – CD Materials  [55.22 MB]
• SSFL PEIR Appendix M – Comment Letters, Subsection 6a – Individuals  [80.34 MB]
• SSFL PEIR Appendix M – Comment Letters, Subsection 6b – Individuals  [48.90 MB]
• SSFL PEIR Appendix M – Comment Letters, Subsection 6c – Individuals  [49.19 MB]
• SSFL PEIR Appendix M – Comment Letters, Subsection 7 – Businesses  [90.06 MB]
• SSFL PEIR Appendix M – Comment Letters, Subsection 8 – Form Letters  [10.85 MB]
• SSFL PEIR Appendix N – Biological Resources  [89.79 MB]
• SSFL PEIR Appendix O – Resumes  [1.25 MB]
• SSFL PEIR Appendix P – Summary of the 2022 Settlement Agreement  [450 KB]
• SSFL PEIR Appendix Q – Summary of Project Updates  [278 KB]