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SOIL BORING LOG and WELL CONSTRUCTION DETAIL WELL ID: EW-1 PROJECT NAME: Frontier Transportation Facility PROJECT # T14FT-3 ADDRESS: 425 W. Larch Rd., Tracy, CA DATE DRILLED: 08/05/2014 LOGGED BY: J.M. DRILLED BY: National EWP TOTAL DEPTH: 19' EQUIPMENT: CME-85 DESCRIPTION p� The purpose of this soil logging was to identify the more porous /saturated �- soil medium for designing the screen interval of the well. This soil a description applies only at the boring location and the time of drilling. m P, Subsurface conditions may differ at other locations and may change with d q time. Data presented is a simplification of actual site conditions. 3" Cement concrete followed by 4" MBA. Hand-ougered to 5 feet bgs. 5.0 to 6,5 Light olive brown clay and silt, dry to medium moist. No fuel odor. {•? { tit 6.5 to 8.0 Light olive brown silty clay/colyey silt, medium moist, no fuel odor. „ > 8.0 to 9.5 Light olive brown silty clay, low moist, no fuel odor. Y: M' . . . . . . . . . .. . .. . . . . . . . . . . . . . . . .. . . . . . . . 9.5 to 11.0 Olive brown, low moist silty clay to 10 feet bgs followed by gray silty clay to 11 feet. u . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . , . . , . . . . . . . . . , a d. 11.0 to 12.5 Silty clay/clayey silt, saturated at 11.5 feet bgs. .,•�, _ i;;� . . . . . . . . . . ..hep 12.5 to 14.0 Olive brown sand with some silt, saturated to 13.5 feet bgs, ._ followed by unsaturated silt and clay to 14.5 feet bgs. y, W r'de Es"•'�.g1. 14.0 to 15,5 0.5 feet thick saturated sand lense at 14 to 14.5 feet bgs, followed by medium moist silty clay. 15.5 to 17.0 Some as above, saturated to 16 feet bgs, gasoline �J il odor. Unsaturated silt and clay from 16 feet bgs. 17.0 to 19.0 Unsaturated silty clay to 19 feet bgs. EnviroMonitoring Services, Inc. DATE: 09/09/14 DWG # EW-1