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ASPECT CONSULTING <br />2 FINAL PROJECT NO. AS190583A-08  MAY 21, 2025 <br />combined sewer main across the Upland Area, which included the excavation of <br />contaminated soil, geotechnically unsuitable soil, and woody debris (Landau, 2022b).The <br />scope of the third IA and City Combined Sewer Main Improvements (CSI Project) and <br />associated environmental information (i.e., data and observations) collected are discussed <br />in Sections 4.7 and 4.8, respectively, and considered in the evaluation of cleanup <br />alternatives for the Upland Area. <br />The data presented and evaluated herein include only those data that represent existing <br />conditions within the Upland Area following the three IAs. The reports documenting the <br />construction of the three IAs (Aspect, 2015a; Aspect, 2021; and Landau, 2024) are <br />provided in Appendix A.