Geotechnical Soil Infiltration Investigation <br />2610 Cal Young Road, Eugene, Oregon <br /> <br />i | P a g e CORE GeoEngineering, Inc. Project No. 25-1127 <br /> Version 1.0, January 23, 2026 <br /> <br />Table of Contents <br />1.0 EXECUTIVE SUMMARY ............................................................................................................................................ 1 <br />2.0 PROJECT INFORMATION .......................................................................................................................................... 2 <br />3.0 SITE AND PROJECT DESCRIPTION ............................................................................................................................ 2 <br />4.0 REGIONAL GEOLOGIC SETTING ............................................................................................................................... 2 <br />5.0 FIELD EXPLORATION AND SUBSURFACE CONDITIONS ............................................................................................ 4 <br />5.1 Soil Descriptions ...................................................................................................................................................... 4 <br />5.2 Depth to Groundwater ............................................................................................................................................ 5 <br />5.3 Infiltration Testing ................................................................................................................................................... 5 <br />6.0 LIMITATIONS ........................................................................................................................................................... 7 <br />7.0 REFERENCES ............................................................................................................................................................ 8