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■ <br /> Soil Boring Logs <br /> University of the Pacific <br /> 1081 W. Mendocino Avenue <br /> Stockton, California <br /> S#iaded interval indicates depth of sample recovered for laboratory analysis. <br /> LOG OF SOIL BORING TP-7 <br /> Notes Depth Soil Description <br /> Interval (ft) <br /> 715100 0 to 15 Base Material, Compacted gravel with fines <br /> Start 09 30 <br /> Logged by PBH 1 5 to 35 Dark-brown, Silty Clay [CL] with silt and fine sand, <br /> stiff,moist (compacted fill) <br /> 35 to 4 Lense of pea gravel backfill, loose (UST backfill <br /> material) <br /> Standing water at <br /> 1330 was 14 4 feet 5 5 to 8 Light brown to brown Silty Clay and Sandy Silt <br /> bgs (with sand) [CL/ML],heterogeneous fill material <br /> including pea gravel, sand, clay and silt, firm to stiff, <br /> moist <br /> Depth to groundwater g to'-12 Light brown to brown Clayey, Sandy Silt [ML] <br /> while drilling 17 heterogeneous fill, mottled-mixed colors, partially <br /> feet compacted, moderately plastic, stiff to firm Various <br /> loose gravel lenses Sample from 115 to 12 feet <br /> 12 to 14 5 Brown to dark brown Clayey Silt[ML]with sand and <br /> gravel lenses (backfill matenals), moisture increases <br /> with depth Bottom of excavation backfill materials at <br /> 14 5 foot depth Soil sample from 13 5 to 14 feet <br /> Groundwater 14 S to 20 Top of native materials at 14 5 foot depth Clayey <br /> sampled Silt with fine sand and silt [ML],occasional rounded <br /> gravel,moist to very moist, dense Sand content and <br /> Hydro-punch set for moisture increases with depth Saturated conditions at <br /> groundwater 17 feet Sample 15 5— 16 feet, and 19 5-20 feet <br /> sampling at 24 feet <br /> Bottom of Boring 24 20 to 24 Brown to Light Brown Clayey Silt and fine sand <br /> feet [ML],dense, very moist Soil sample obtained from. <br /> . 23 5—24 feet <br />