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In the Matter of: Tentative Cleanup and Abatement Order No. R9-2011-0001 November 9, 14, 15, 16 Downey Brand LLP

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Page 1: In the Matter of: Tentative Cleanup and Abatement Order No ... · In the Matter of: Tentative Cleanup and Abatement Order No. R9-2011-0001 November 9, 14, 15, 16 Downey Brand LLP

In the Matter of:Tentative Cleanup and Abatement

Order No. R9-2011-0001

November 9, 14, 15, 16

Downey Brand LLP

Page 2: In the Matter of: Tentative Cleanup and Abatement Order No ... · In the Matter of: Tentative Cleanup and Abatement Order No. R9-2011-0001 November 9, 14, 15, 16 Downey Brand LLP

Overview – SDG&E as Discharger

Introduction

Silver Gate Plant Overview

Sources and Pathways of PCB’s/COC’s

Conclusion

Page 3: In the Matter of: Tentative Cleanup and Abatement Order No ... · In the Matter of: Tentative Cleanup and Abatement Order No. R9-2011-0001 November 9, 14, 15, 16 Downey Brand LLP

Orientation and Operational History

Page 4: In the Matter of: Tentative Cleanup and Abatement Order No ... · In the Matter of: Tentative Cleanup and Abatement Order No. R9-2011-0001 November 9, 14, 15, 16 Downey Brand LLP

COC Sources and Pathways - Plant

Plant Housed PCB Containing Equipment

Plant Wastewater Discharged Through Cooling Water Tunnels

Plant Wastewater Discharged to Unlined Ponds and Oil-Water Separators

Page 5: In the Matter of: Tentative Cleanup and Abatement Order No ... · In the Matter of: Tentative Cleanup and Abatement Order No. R9-2011-0001 November 9, 14, 15, 16 Downey Brand LLP

COC Sources and Pathways - Plant

Page 6: In the Matter of: Tentative Cleanup and Abatement Order No ... · In the Matter of: Tentative Cleanup and Abatement Order No. R9-2011-0001 November 9, 14, 15, 16 Downey Brand LLP

COC Sources and Pathways - Plant

Page 7: In the Matter of: Tentative Cleanup and Abatement Order No ... · In the Matter of: Tentative Cleanup and Abatement Order No. R9-2011-0001 November 9, 14, 15, 16 Downey Brand LLP

COC Sources and Pathways - Plant

Page 8: In the Matter of: Tentative Cleanup and Abatement Order No ... · In the Matter of: Tentative Cleanup and Abatement Order No. R9-2011-0001 November 9, 14, 15, 16 Downey Brand LLP

COC Sources and Pathways - Tidelands

Tidelands Housed Unlined Ponds

Tidelands Housed Oil-Water Separators

Untreated Wastewater Discharged to Ponds

Ponds Overflowed

Ponds Discharged Directly to Bay

Page 9: In the Matter of: Tentative Cleanup and Abatement Order No ... · In the Matter of: Tentative Cleanup and Abatement Order No. R9-2011-0001 November 9, 14, 15, 16 Downey Brand LLP

COC Sources and Pathways - Tidelands

Page 10: In the Matter of: Tentative Cleanup and Abatement Order No ... · In the Matter of: Tentative Cleanup and Abatement Order No. R9-2011-0001 November 9, 14, 15, 16 Downey Brand LLP

COC Sources and Pathways - Tidelands

Page 11: In the Matter of: Tentative Cleanup and Abatement Order No ... · In the Matter of: Tentative Cleanup and Abatement Order No. R9-2011-0001 November 9, 14, 15, 16 Downey Brand LLP

COC Sources and Pathways - Tidelands

Page 12: In the Matter of: Tentative Cleanup and Abatement Order No ... · In the Matter of: Tentative Cleanup and Abatement Order No. R9-2011-0001 November 9, 14, 15, 16 Downey Brand LLP

COC Sources and Pathways - Tidelands

Page 13: In the Matter of: Tentative Cleanup and Abatement Order No ... · In the Matter of: Tentative Cleanup and Abatement Order No. R9-2011-0001 November 9, 14, 15, 16 Downey Brand LLP

COC Sources and Pathways - Tidelands

Page 14: In the Matter of: Tentative Cleanup and Abatement Order No ... · In the Matter of: Tentative Cleanup and Abatement Order No. R9-2011-0001 November 9, 14, 15, 16 Downey Brand LLP

COC Sources and Pathways - Tidelands

Page 15: In the Matter of: Tentative Cleanup and Abatement Order No ... · In the Matter of: Tentative Cleanup and Abatement Order No. R9-2011-0001 November 9, 14, 15, 16 Downey Brand LLP

Switchyard Housed PCB Containing Equipment

Equipment Leaked

Switchyard Stormwater Discharged to MS4

COC Sources and Pathways - Switchyard

Page 16: In the Matter of: Tentative Cleanup and Abatement Order No ... · In the Matter of: Tentative Cleanup and Abatement Order No. R9-2011-0001 November 9, 14, 15, 16 Downey Brand LLP

COC Sources and Pathways - Switchyard

Page 17: In the Matter of: Tentative Cleanup and Abatement Order No ... · In the Matter of: Tentative Cleanup and Abatement Order No. R9-2011-0001 November 9, 14, 15, 16 Downey Brand LLP

COC Sources and Pathways - Switchyard

Page 18: In the Matter of: Tentative Cleanup and Abatement Order No ... · In the Matter of: Tentative Cleanup and Abatement Order No. R9-2011-0001 November 9, 14, 15, 16 Downey Brand LLP

COC Sources and Pathways - Switchyard

Page 19: In the Matter of: Tentative Cleanup and Abatement Order No ... · In the Matter of: Tentative Cleanup and Abatement Order No. R9-2011-0001 November 9, 14, 15, 16 Downey Brand LLP

COC Sources and Pathways - Switchyard

Page 20: In the Matter of: Tentative Cleanup and Abatement Order No ... · In the Matter of: Tentative Cleanup and Abatement Order No. R9-2011-0001 November 9, 14, 15, 16 Downey Brand LLP

Summary and Conclusion

40 Plus Year Operational History

Multiple COC (PCB) Sources

Multiple Pathways to the Bay

Substantial Evidence

SDG&E Properly Named as Discharger

Page 21: In the Matter of: Tentative Cleanup and Abatement Order No ... · In the Matter of: Tentative Cleanup and Abatement Order No. R9-2011-0001 November 9, 14, 15, 16 Downey Brand LLP

In the Matter of:Tentative Cleanup and Abatement

Order No. R9-2011-0001

November 9, 14 – 16

Downey Brand LLP