Relevant technical documents associated with the investigation process are available below. You may also review technical documents on DTSC’s Envirostor database at www.envirostor.dtsc.ca.gov [search for “Fleet Aerospace (Langley Facility)”]. If you need assistance locating specific information, please contact us at info@MCPEnvironmentalFacts.org. Please note that all technical documents are in English - please contact us if you require a Spanish version of the below documents.

• DTSC Indoor Air and Project Update - January 13, 2025

• DTSC Indoor Air and Project Update - November 25, 2024

• DTSC Indoor Air and Project Update - October 28, 2024

• DTSC Indoor Air and Project Update - October 21, 2024

• DTSC Indoor Air and Project Update - September 2024

• DTSC Indoor Air and Project Update - August 2024

• DTSC Indoor Air and Project Update - July 2024

• Indoor Air Sampling Work Plan – May 2024

• DTSC Facility-Initiated Corrective Action Agreement (FICA) - February 2024

Historical Files (1986 - 2000)

• San Diego County Department of Environmental Health (SDCDEH) Land Use Change Approval Letter – August 1999

• Market Creek Plaza Land Use Change Request Letter – June 1999

• Market Creek Plaza SDCDEH Voluntary Assistance Program Application – June 1999

• Phase I Environmental Site Assessment – April 1999

• Preliminary Endangerment Assessment Report - April 1996

• DTSC Voluntary Cleanup Agreement - March 1996

• Langley Facility Additional Soil and Groundwater Investigation Workplan and Approval Acknowledgment – August 1995

• SDCDEH Application for Regulatory Oversight – May 1995

• DTSC Facility Closure Documentation – January 1994

• DTSC Acknowledgement of Facility Units Operating under Conditional Authorization and/or Conditional Exemption – August 1993

• Langley Facility Soil and Groundwater Investigation Report – October 1991

• Langley Facility Environmental Assessment Report – December 1990

• SDCDHS Clarifier Tank Removal No Further Action Letter – April 1987

• Langley Facility Tank and Contaminated Soil Removal Report – March 1987

• Soil Removal Workplan – September 1986

• Inspection of Removal of Two Underground Storage Tanks – August 1986