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Might Environmental Services, l- , Tracy, CA <br /> • �:xploratory Boring Log <br /> Projeclt No. 4529 Boring/Well No. B-2 <br /> Client: City of Tracy Date Drilled: Feb. 10, 2003 Wel! Installed: No <br /> Location: 560 Tracy Blvd., Tracy, CA Logger. CMP Total Depth: 21 ' <br /> Cement Grout Seal: 21 'to surface <br /> Drilling Method: 3"OD GeoProbe <br /> Permit: PHS EHD 32664 <br /> Water Levels: 1st Enc: 13'.5 Static: 13.9 @ 10:11 <br /> Sample Blow 2 Depth <br /> No. PID Count � � Litholagy Log Borehole <br /> CO Completion <br /> (ppm Asphalt pavement <br /> w <br /> ML-Clayey SILT with Sand, brown 10YR5/3, slightly plastic, "Aw" <br /> f, sand 30%, massive, firm, damp. <br /> "A" <br /> wwA <br /> "A <br /> 0-2-1 A A <br /> 0 pus 5 Same as above, firm, damp. "w"w <br /> w w <br /> A A <br /> www <br /> AAw <br /> S-2i? 0 pus 10 CL- Sandy CLAY, brown 10YR513, low plasticity, f. med. sand 15-20%, <br /> massive, dirm, damp to moist, contains thin sandy lenses at 10 feet. <br /> Aww <br /> "w <br /> B-2a0 pus 15 Transitional contact to underlying stratum. ww"" <br /> SP- SAND, brown 10YR513, fines <5%, nonplastic, f. sand 95%, <br /> med. dense, saturated. <br /> Aww <br /> ezr 0 push CL- Silty CLAY, yellowish brown i0YR5/4, low plasticity, massive, <br /> I sand 10% firm damp. <br /> Bottom of Boring =21 feet. <br /> Reviewed by RG/CEG <br /> t <br />