Santa Susana
Surface Water
Interim Source Removal Action (ISRA)
The Regional Water Quality Control Board, Los Angeles Region (Regional Board) issued a 13304 Order on December 3, 2008 to perform interim/source removal actions to remove wastes that are causing or contributing to violations of limitations contained in the NPDES Permit, Order No. R4-2004-0111, in the Outfalls 008 and 009 Drainage areas. Site-wide cleanup of soil, soil vapor, and groundwater is not part of the scope of this Order and these activities will continue under regulatory oversight by the DTSC.
- Expert Panel Technical Report - Revegetation of Outfall 008 Watershed
- RWQCB Approval of ISRA Work Plan Amendment to Include Work at A2LF-1 and A2LF-3 Located within the Watershed of Outfall 009
- TSC Concurrence with ISRA Work Plan Amendment to Include A2LF-1 and A2LF-3
- CA Department of Public Health Correspondence - October 23, 2009
- RWQCB Approval of Plan to Remove Happy Valley Septic Tank
- Response to RWQCB Comments on Additional Work for ISRA Outfall 009
- HVS Septic Tank Removal Plan - Final
- RWQCB Comments on the Characterization, Management and Disposal Plan for Outfall 009 ISRA ELV-1c and ELV-1d Areas
- Outfall 008 ISRA Waste Characterization Data
- CYN-1 Location
- DRG-1 Location
- HVS-1 Location
- HVS2A Location
- HVS-2B1 Location
- HVS-2B2 Location
- HVS-2C Location
- HVS-3 Location
- HVS-4 Location
- Outfall 008 Radionuclides Results and Statistical Analysis Waste Certification - Revision
- Outfall 008 Radionuclides Results and Statistical Analysis Waste Certification
- Outfall 009 ISRA Waste Characterization Data
- Boeing Response to RWQCB/DTSC comments on the ISRA SMP, Transportation Plan & HASP - Aug. 17, 2009
- Revised ISRA SWPPP per comments from RWQCB - Aug. 17, 2009
- RWQCB Comments on the ISRA SWPPP - Aug. 5, 2009
- DTSC Comments to ISRA Soil Management Plan - Aug. 3, 2009
- ISRA Soil Management Plan (Agency Review Copy)
- ISRA Transportation Plan (Agency Review Copy)
- ISRA Health and Safety Plan (Agency Review Copy)
- ISRA Storm Water Pollution Prevention Plan (Agency Review Copy)
- RWQCB Final Approval of and Comments on Addendum to the Final ISRA Work Plan - July 7, 2009
- Response to RWQCB and DTSC Comments on May 1, 2009 Final ISRA Work Plan - June 19, 2009
- Final ISRA Work Plan - May 1, 2009
- Clarifications to RWQCB Comments on Preliminary ISRA Work Plan - April 30, 2009
- RWQCB Comments on Preliminary ISRA Work Plan - April 20, 2009
- Preliminary ISRA Work Plan - Feb. 13, 2009
Boeing ISRA Quarterly Progress Reports
- 3rd QTR ISRA Progress Report for June 27 - Sep. 9, 2009
- ISRA Quarterly Progress Report - June 30, 2009