Discipline Report Hazardous Materials Prepared by: Shannon & Wilson, Inc. November 2004 Draft EIS Magnolia Bridge Replacement City of Seattle Contents Contents ......................................................................................................................... i Executive Summary...................................................................................................... 1 Purpose and Need ........................................................................................................ 5 Purpose .................................................................................................... 5 Need.......................................................................................................... 5 Structural Deficiencies...........................................................................................5 System Linkage .....................................................................................................5 Traffic Capacity......................................................................................................8 Modal Interrelationships ........................................................................................8 Transportation Demand.........................................................................................8 Legislation .............................................................................................................9 Description of Alternatives ........................................................................................ 11 No Build Alternative .............................................................................. 11 Alternative A .......................................................................................... 12 Alternative C .......................................................................................... 12 Alternative D .......................................................................................... 12 Studies and Coordination .......................................................................................... 21 Project Description................................................................................ 21 Methodology .......................................................................................... 21 Historical Records Review ................................................................... 22 Sanborn Fire Insurance Maps .............................................................................22 Polk City Directories ............................................................................................22 Aerial Photographs ..............................................................................................22 King County Assessor Records...........................................................................22 Historic Records Review Findings.......................................................................22 Windshield Survey of the Project Corridor ......................................... 23 Regulatory Review ................................................................................ 23 Federal Databases ..............................................................................................24 Comprehensive Environmental Response, Compensation, and Liability Information System (CERCLIS) ......................................................................................................................................24 The National Priority List (NPL).......................................................................................................24 Hazardous Materials Discipline Report Contents Page i Magnolia Bridge Replacement Resource Conservation and Recovery Information System (RCRIS)..............................................24 Emergency Response Notification System (ERNS) ........................................................................24 Hazardous Materials Information Reporting System (HMIRS) ........................................................24 Facility Index System/Facility Identification Initiative Program Summary Report (FINDS) ..............25 FIFRA/TSCA Tracking System (FTTS)............................................................................................25 Washington State Databases..............................................................................25 Confirmed and Suspected Contaminated Sites List (CSCSL).........................................................25 Hazardous Sites List (HSL) .............................................................................................................25 Solid Waste Facility/Landfill Database (SWF/LF) ............................................................................25 Leaking Underground Storage Tank (LUST) database ...................................................................25 Underground Storage Tank (UST) list .............................................................................................25 Washington Site Register of Independent Cleanup Reports (WA ICR) ...........................................26 Review of Port of Seattle Analytical Data............................................................26 Ecology File Review............................................................................................26 Site Screening ........................................................................................26 Validated Sites........................................................................................27 Affected Environment .................................................................................................41 Physical Environment............................................................................41 Geologic Conditions ..............................................................................41 Regional Geology................................................................................................41 Soil Conditions From Current and Previous Explorations ...................................42 Hydrogeologic Regime........................................................................................43 Groundwater....................................................................................................................................44 Land Use.................................................................................................44 Study Area Summary.............................................................................45 Asbestos, Lead, and Heating Oil Concerns ........................................................45 No Build Alternative.........................................................................................................................45 Alternative A ....................................................................................................................................46 Alternative C....................................................................................................................................46 Alternative D....................................................................................................................................46 Validated Property Ranking.................................................................................46 Validated Properties ........................................................................................................................46 Page ii Contents Hazardous Materials –Discipline Report Magnolia Bridge Replacement Environmental Consequences................................................................................... 55 No Build Alternative .............................................................................. 55 Potential Property Acquisition..............................................................................55 Construction Impacts...........................................................................................55 Operation Impacts ...............................................................................................55 Secondary and Cumulative Impacts....................................................................55 Recommendations for Further Investigations......................................................55 Alternative A .......................................................................................... 55 Potential Property Acquisition..............................................................................56 Construction Impacts...........................................................................................57 Operation Impacts ...............................................................................................58 Secondary and Cumulative Impacts....................................................................58 Recommendations for Further Investigations in the Right of Way ......................59 Alternative C .......................................................................................... 60 Potential Property Acquisition..............................................................................60 Construction Impacts...........................................................................................62 Operation Impacts ...............................................................................................62 Secondary and Cumulative Impacts....................................................................62 Recommendations for Further Investigations......................................................62