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Bowl Aerial

Bowl Aerial. Bowl Area Engine Hot Firings. Delta Test Area - 1964. RS-27A Engine Installed in Alfa Test Stand Santa Susana Field Laboratory (SSFL) - 1999. MA-5 Engine System Hot Firing - 1972. Public Buildings Service. Santa Susana FL Highlights. Environmental contamination

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Bowl Aerial

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  1. Bowl Aerial

  2. Bowl Area Engine Hot Firings

  3. Delta Test Area - 1964

  4. RS-27A Engine Installed in Alfa Test Stand Santa Susana Field Laboratory (SSFL) - 1999

  5. MA-5 Engine System Hot Firing - 1972

  6. Public Buildings Service Santa Susana FL Highlights Environmental contamination • Radiological contamination on the Boeing owned portion. • Extensive deep groundwater contamination. • Multiple active citizen groups w/health concerns. Historic/cultural resources • Burro Flats – Native American pictographs listed on the National Register of Historic Places. • Rocket engine test stands eligible for listing on the Nation Register – connected w/Apollo & Shuttle space programs.

  7. Public Buildings Service Environmental Cleanup • Soil and surface water impacts: • 15 areas contaminated w/VOCs (primarily TCE), metals, dioxins, PAHs, PCBs, petroleum hydrocarbons) • Soil cleanup will be completed by 2017 • Deep groundwater impacts: • TCE found 900 feet below the surface • Anticipated remediation methodology: monitored natural attenuation w/limited groundwater treatment and 30 years of monitoring. • Assumes groundwater use prohibition will be put into place as part of groundwater remedy.

  8. Public Buildings Service Environmental Cleanup cont’d • Regulated by 2007 Consent Order w/state • State legislature passed SB990, effective in 2008, requiring that: • SSFL be cleaned up to background, and that • No transfer could take place before state certification that cleanup to background had been completed. 8

  9. Public Buildings Service Environmental Cleanup cont’d • A 2010 Consent Order applied SB990’s requirements to soil cleanup at the site • The 2007 Consent Order remains in effect except for soils cleanup covered by 2010 Consent Order. • Scheduled completion of soils cleanup remains as 2017. • Requires removal of soils contaminated above local background levels: • No “leave in place” alternatives can be considered and • No on-site burial or land filling can be considered • Backfill/replacement soils must not exceed background levels 9

  10. Public Buildings Service Environmental Cleanup cont’d • NASA uses NEPA to condition its cleanup obligations under the 2010 Consent Order. • NASA must make its cleanup to background decisions in accordance with NEPA. • NASA must conduct the cleanup in a way that will comply w/the requirements of NEPA. • State regulator must work w/NASA to develop an approach to satisfy NEPA obligations. 10

  11. SSFL GroundWater Plumes

  12. Operable Units(Surficial Media & Chatsworth Formation) Surficial Media OU: soil, soil vapor, surface water, shallow groundwater, weathered bedrock, air, biota Operable Units Chatsworth Formation OU: vadose zone bedrock (dry), saturated bedrock, and deep groundwater

  13. Burro Flats Painted Cave

  14. Burro Flats Painted Cave

  15. Burro Flats Painted Cave

  16. Burro Flats Painted Cave

  17. Public Buildings Service The Main Transfer Hurdles • Environmental conditions • The 2017 scheduled completion of soils cleanup (delay expected). • The Governor’s concurrence that the property is suitable for transfer prior to completion of cleanup. • Possible extension of radiological investigation to entire site and offsite. • California Senate Bill 990 (SB 990) • Prohibits lease or transfer until all soil is removed that exceed local background levels of contamination - the strictest possible state standard. • Boeing’s legal challenge may take years to resolve. • Has chilling effect on prospective transferees.

  18. Public Buildings Service Approaches Being Implemented • Proactive outreach to: • Possible federal or tribal users. • Possible public benefit transferees & sponsoring agencies (park/open space, historic monument, education, wildlife conservation). • A website explaining the transfer process and addressing transfer issues. • Use NEPA & NHPA processes to inform the public & assist in exploring reuse options. • Investigate ways to partner w/owner of the site’s other 2400 acres .

  19. Public Buildings Service Questions or Assistance? WJames.Biederman@gsa.gov 253-931-7806

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