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Geological Technics Inc. <br /> Borehole Log <br /> ,r,,,,,,,r„r,,,,,r,,, <br /> rrrrrrr,rrrrrrrrrrrrr, <br /> Project Name _ C&B Equipment Borehole No, MW-6 Page 1 of 1 <br /> Project No. 336.2 Date 10117/97 Contractor <br /> j <br /> Area & County 7474 W 11 h Street Trac CA Son Joaquin Co. <br /> ' Field Geo/Eng M. Niemi Drilling Method Hollow Stem Au er <br /> r-.1 <br /> !_i Borehole Dia. 8�. Tot. Depth 20 Tot. Casing Depth 20' Casing Din. 2,� Screened Interval 20-5' <br /> Filter Pack 20-4' Annular Seal 4-2' Slot Size 0.020 Grout 2'-0' Water Depth +/-7' <br /> lA <br /> CL cu � W . Eo V7 Remarks <br /> E ° Description <br /> i �°' N rn z '�l° 3 Q v OVM (PPM) <br /> 0 <br /> :i <br /> 0905 io --- CL CLAY—(10YR4/3), plastic, mosit. 0 <br /> 12 --- <br /> 5 <br /> 0914 4 = = CE SILTY CLAY —(2.5Y5/6), plastic, moist. 0 <br /> B -- <br /> 10 _ <br /> r 0916 a CL CLAY—(2.SY6/4), plastic, sticky, wet. 0 <br /> 12 <br /> — 15 _ <br /> _ 0924 s CL CLAY—(2.5Y6/4). plastic, 15 to 15.5' 0 <br /> '- — — — — SANDY CLAY—(2.5Y5/4). very fine to <br /> fine grained, plastic, 15.5-16.5'. <br /> 20 <br /> 0926 i6 = SP SAND—(2.5Y5/4), fine to medium p <br /> 25 grained, loose. <br /> i - <br /> 25 <br /> 30 <br /> i Notes: = SAND CLAY ® Annular Seal ® Grout <br /> SILT Sample Submitted to Laboratory <br /> s <br /> i <br />