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ASPECT CONSULTING <br />PROJECT NO. AS190583A-08  MAY 21, 2025 FINAL ix <br /> <br />6-S2 Metals Exceedances in Shoreline Groundwater and Intertidal <br />Porewater/Seeps <br />6-S3 Un-Ionized Ammonia (NH3) Exceedances in Upland Groundwater and <br />Intertidal Porewater/Seeps <br />6-S4 Sulfide Exceedances in Upland Groundwater and Intertidal <br />Porewater/Seeps <br /> <br />8-1 Distribution of Residual Soil and Groundwater Contamination <br />8-2 Components of the Cleanup Alternative <br /> <br />List of Appendices <br />A Interim Cleanup Action (IA) Reports <br />B Boring/Well Construction Logs and Water Level Data for Explorations <br />Incorporated into RI <br />C RI Data Validation Reports <br />D City Utility Property Cleanup Action Plan Memorandum <br />E Background Arsenic in Groundwater <br />F Derivation of Area-Specific, Risk-Based TPH Soil Preliminary Cleanup <br />Levels for Industrial Use Area <br />G Groundwater pH Data Collected During CM Removal Project, 2020 <br />H Background Information Regarding Ammonia and Sulfide <br />I Statistical Analysis Output for Soil Metals Data (ProUCL Software) <br />J PCB Congener Histograms for Common PCB Aroclors <br />K Log Pond Investigation Results <br />L Selected Photographs <br />M Detailed Cost Estimate for the Cleanup Alternative <br />N Environmental Health Disparity and Demographic Index <br /> <br /> <br />