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_ . .... . . <br /> Geological Technics Inc. <br /> ;;;;;///////////////// Borehole Log <br /> f3 Project Name C&B Equipment Borehole No. MW_5 Page 1 of 1 <br /> i <br /> Project No. 336.2 Date 10/17J97..., Contractor V&w Drilling <br /> I <br /> Area & County 7474 W. 11th Street Trac CA n Joaquin Co. <br /> Field Geo/Eng M. Niemi Drilling Method Hollow Stem Augeer <br /> Borehole Dia. 8„ Tot. Depth 20, Tat. Casing Depth 20' Casing Dia. 2„ Screened Interval 20-5' <br /> Filter Pack 20-4' Annular Seal 4-2' Slat Size 0.020' Grout V-01 Water Depth +/-7' <br /> -- <br /> L a %D N o £ i <br /> Q QJ o + J _� E o (4Remarks <br /> �� <br /> =: N j r Q 1 oaj <br /> QJ <br /> Description <br /> 0 <br /> s --= CL CLAY–(2.5Y 5/3), plastic, organic <br /> 7 _—= material, no odor. <br /> 5 <br /> __� <br /> 1148 7 = _ ML SILT–(2.5Y5/6), moist, slightly plastic, <br /> - e = _ — no odor. <br /> 10 <br /> -i 1 151 y° ::: SW <br /> SAND–(2.5Y4/3), very fine to medium <br /> r; grained with pebbles to 1 cm, loose, n <br /> odor. <br /> 15 <br /> 1154 9 --= CL SILTY CLAY—(2.5Y5/6), plastic, no odor. <br /> 21 <br /> 20 <br /> 1201 97 SC CLAYEY SAND—(2.5Y5/4), very fine to <br /> fine grained, slightly sticky, no odor. <br /> r <br /> a <br /> d <br /> 25 <br /> =1 -- 30 <br /> Notes: SAND CLAY ® Annular Seal ® Grout <br /> J SILT Sample Submitted to Laboratory <br /> f <br /> r <br />