SANTA MONICA AIRPORT PARK DRAFT ENVIRONMENTAL IMPACT REPORT (State Clearinghouse No. 2001081096) Prepared for: CITY OF SANTA MONICA Department of Community and Cultural Services 1685 Main Street, Room 210 Santa Monica, CA 90401 Contact: Karen Ginsberg Prepared under City direction by: CULBERTSON, ADAMS & ASSOCIATES, INC. 85 Argonaut, Suite 220 Aliso Viejo, CA 92656-4105 Volume I July 2002 Table of Contents 1.0 Executive Summary......................................................................................................................1-1 1.1 Project Description Summary..........................................................................................1-1 1.2 Summary of Impacts, Mitigation Measures, and Unavoidable Adverse Impacts............1-2 1.3 Project Alternatives........................................................................................................1-10 1.4 Areas of Controversy/Issues to Be Resolved.................................................................1-10 1.5 Issues Raised by Agencies and the Public .....................................................................1-11 1.6 Organizations Affiliated with the Project ......................................................................1-11 1.7 Incorporation by Reference............................................................................................1-13 1.8 Impacts Found Not To Be Significant ...........................................................................1-13 1.9 Agencies Expected to Use This EIR..............................................................................1-14 2.0 Introduction and Purpose ..............................................................................................................2-1 2.1 Environmental Overview.................................................................................................2-1 2.2 Statutory Authority ..........................................................................................................2-2 2.3 EIR Scope ........................................................................................................................2-2 3.0 Project Description........................................................................................................................3-1 3.1 Project Characteristics .....................................................................................................3-1 3.2 Project Site History..........................................................................................................3-5 3.3 Project Location...............................................................................................................3-5 3.4 Project Objectives..........................................................................................................3-10 3.5 Required Permits and Approvals ...................................................................................3-11 3.6 Project Timing ...............................................................................................................3-11 4.0 Project Setting...............................................................................................................................4-1 4.1 Existing Site Conditions ..................................................................................................4-1 4.2 Surrounding Land Uses ...................................................................................................4-3 4.3 Cumulative Impacts .........................................................................................................4-5 5.0 Environmental Analysis................................................................................................................5-1 5.1 Geology and Soils............................................................................................................5-3 5.1.1 Existing Conditions.............................................................................................5-3 5.1.2 Thresholds of Significance ...............................................................................5-12 5.1.3 Project Impacts .................................................................................................5-13 5.1.4 Mitigation Measures .........................................................................................5-16 5.1.5 Cumulative Impacts ..........................................................................................5-16 5.1.6 Unavoidable Adverse Impacts..........................................................................5-16 5.2 Air Quality .....................................................................................................................5-17 5.2.1 Existing Conditions...........................................................................................5-17 5.2.2 Thresholds of Significance ...............................................................................5-22 5.2.3 Project Impacts .................................................................................................5-25 5.2.4 Mitigation Measures .........................................................................................5-35 5.2.5 Cumulative Impacts ..........................................................................................5-35 5.2.6 Unavoidable Adverse Impacts..........................................................................5-35 5.3 Hydrology and Water Quality........................................................................................5-37 5.3.1 Existing Conditions...........................................................................................5-37 5.3.2 Threshold of Significance.................................................................................5-38 Santa Monica Airport Park EIR i rev. July 2002 5.3.3 Project Impacts .................................................................................................5-38 5.3.4 Mitigation Measures .........................................................................................5-41 5.3.5 Cumulative Impacts ..........................................................................................5-41 5.3.6 Unavoidable Adverse Impacts..........................................................................5-42 5.4 Noise 5-43 5.4.1 Existing Conditions...........................................................................................5-48 5.4.2 Thresholds of Significance ...............................................................................5-51 5.4.3 Project Impacts .................................................................................................5-52 5.4.4 Mitigation Measures .........................................................................................5-60 5.4.5 Cumulative Impacts ..........................................................................................5-61 5.4.6 Unavoidable Adverse Impacts..........................................................................5-61 5.5 Hazards and Hazardous Materials .................................................................................5-63 5.5.1 Existing Conditions...........................................................................................5-63 5.5.2 Thresholds of Significance ...............................................................................5-66 5.5.3 Project Impacts .................................................................................................5-66 5.5.4 Mitigation Measures .........................................................................................5-70 5.5.5 Cumulative Impacts ..........................................................................................5-71 5.5.6 Unavoidable Adverse Impacts..........................................................................5-71 5.6 Land Use and Planning..................................................................................................5-72 5.6.1 Existing Conditions...........................................................................................5-72 5.6.2 Thresholds of Significance ...............................................................................5-78 5.6.3 Project Impacts .................................................................................................5-80 5.6.4 Mitigation Measures .........................................................................................5-84 5.6.5 Cumulative Impacts ..........................................................................................5-85 5.6.6 Unavoidable Adverse Impacts..........................................................................5-85 5.7 Transportation/Traffic....................................................................................................5-86 5.7.1 Existing Conditions...........................................................................................5-88 5.7.2 Thresholds of Significance ...............................................................................5-94 5.7.3 Project Impacts .................................................................................................5-97 5.7.4 Mitigation Measures .......................................................................................5-109 5.7.5 Cumulative Impacts ........................................................................................5-109 5.7.6 Unavoidable Adverse Impacts........................................................................5-110