Addendum to the West Complex Development Plan Environmental Impact Report
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DRAFT April 2021 Denmar Natural Soda Ash Export Terminal and Remedial Activities Addendum to the West Complex Development Plan Environmental Impact Report Prepared for the Port of Stockton State Clearinghouse Number: 2002032048 April 2021 Denmar Natural Soda Ash Export Terminal and Remedial Activities Addendum to the West Complex Development Plan Environmental Impact Report Prepared for Prepared by Port of Stockton Anchor QEA, LLC 2201 West Washington Street 130 Battery Street, Suite 400 Stockton, California 95203 San Francisco, California 94111 Project Number: 160377-01.16 TABLE OF CONTENTS 1 Introduction .................................................................................................................... 1 1.1 West Complex Development Plan .......................................................................................................... 1 1.1.1 2004 Draft Environmental Impact Report.............................................................................. 1 1.1.2 2007 Settlement Agreement ..................................................................................................... 4 1.1.3 Existing (2020) West Complex Conditions............................................................................. 4 1.1.4 Changes to the California Environmental Quality Act Since the West Complex Development Plan Environmental Impact Report............................................................... 4 1.2 Addendum to the West Complex Development Plan Environmental Impact Report ............. 6 1.2.1 California Environmental Quality Act Requirements .......................................................... 6 1.2.2 Project Modifications ................................................................................................................... 6 1.2.3 Incorporation of the West Complex Development Plan Environmental Impact Report and Settlement Agreement ......................................................................................... 8 1.2.4 Conclusion ...................................................................................................................................... 9 1.3 Incorporation by Reference ...................................................................................................................... 9 1.3.1 City of Stockton 2040 General Plan......................................................................................... 9 1.3.2 City of Stockton Municipal Code ........................................................................................... 10 1.3.3 City of Stockton Climate Actio n Plan .................................................................................... 10 1.4 Port Environmental Programs ................................................................................................................ 10 1.4.1 Water Quality ............................................................................................................................... 10 1.4.2 Air Quality ..................................................................................................................................... 11 1.4.3 Habitat and Species ................................................................................................................... 12 1.4.4 Community Outreach and Support ....................................................................................... 12 2 Project Description .......................................................................................................14 2.1 Environmental Setting .............................................................................................................................. 14 2.2 Proposed Project Overview..................................................................................................................... 14 2.3 Proposed Project Construction.............................................................................................................. 19 2.3.1 Initial Remediation...................................................................................................................... 19 2.3.2 Phase 1 Denmar Terminal Construction .............................................................................. 20 2.3.3 Future Remediation.................................................................................................................... 26 2.3.4 Phase 2 Denmar Terminal Construction .............................................................................. 28 2.3.5 Environmental Management During Construction........................................................... 28 2.4 Proposed Denmar Operations ............................................................................................................... 31 2.4.1 Phase 1 Operation ...................................................................................................................... 31 2.4.2 Phase 2 Operation ...................................................................................................................... 32 Denmar Addendum to the WCDP EIR i April 2021 2.4.3 Project Throughput .................................................................................................................... 32 3 Environmental Analysis ............................................................................................... 34 3.1 Land Use and Agriculture ........................................................................................................................ 34 3.1.1 Environmental Setting ............................................................................................................... 34 3.1.2 Regulatory Setting ...................................................................................................................... 34 3.1.3 Mitigation Measures .................................................................................................................. 36 3.1.4 Methods/Approach .................................................................................................................... 36 3.1.5 Impact Assessment..................................................................................................................... 36 3.2 Transportation and Circulation .............................................................................................................. 37 3.2.1 Environmental Setting ............................................................................................................... 38 3.2.2 Regulatory Setting ...................................................................................................................... 39 3.2.3 Mitigation Measures .................................................................................................................. 42 3.2.4 Methods/Approach .................................................................................................................... 42 3.2.5 Impact Assessment..................................................................................................................... 43 3.3 Air Quality .................................................................................................................................................... 48 3.3.1 Environmental Setting ............................................................................................................... 48 3.3.2 Regulatory Setting ...................................................................................................................... 48 3.3.3 Mitigation Measures .................................................................................................................. 52 3.3.4 Methods/Approach .................................................................................................................... 52 3.3.5 Impact Assessment..................................................................................................................... 53 3.4 Noise.............................................................................................................................................................. 59 3.4.1 Environmental Setting ............................................................................................................... 60 3.4.2 Regulatory Setting ...................................................................................................................... 60 3.4.3 Mitigation Measures .................................................................................................................. 63 3.4.4 Methods/Approach .................................................................................................................... 63 3.4.5 Impact Assessment..................................................................................................................... 64 3.5 Geology, Soils, and Seismicity................................................................................................................ 69 3.5.1 Environmental Setting ............................................................................................................... 69 3.5.2 Regulatory Setting ...................................................................................................................... 71 3.5.3 Mitigation Measures .................................................................................................................. 72 3.5.4 Methods/Approach ...................................................................................................................