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Geofogical Technics hic <br /> nvironmmUVitzu <br /> Boring Log <br /> Project Name R and B Trucking Hole No. M.W.-3 Page 1 of 1 <br /> Project No. GT-51 Date 1 -16-90_ Contractor Osterberg and Stewart <br /> Area &County Tracy- San Joaquin Drilling Method Hollow Stem AUgerElev. <br /> Collard Bottomed Coordination <br /> Field Geo/Eng S. Marshall Map Ref Bea ring. <br /> . <br /> a H yl Description Remarks <br /> a U cY� <br /> N <br /> € ` € CH Clay- dark brown, moderate <br /> 0-8' <br /> - _, plasticity, firm, wet, contains fine No HC Odor <br /> 5 =-• € grained sand <br /> 4 =_____- t 8-13' <br /> 5 € ' € Sand- dark brown, moist, very No HC Odor <br /> 1 clayey <br /> —10. <br /> 7 : <br /> € 17 <br /> 4 CH Clay- dark brown, saturated <br /> 4 NNoo HHC C Odor <br /> 2 4 - <br /> _15' 15-20' <br /> 6 Sand- dark brown,coarse grained, <br /> poorly sorted,clayey, contains large No <br /> HC Odor <br /> pebbles <br /> 2 <br /> _ 20 3 3 <br /> 4 - CH Clay- dark brown, high plasticity, 20 22 <br /> firm, wet, organic debris No <br /> HC Odor <br /> S✓ Sand- brown, fine grained, soft, 22-24' <br /> wet, clayey <br /> 25 = 24-27' <br /> CH Clay- dark brown, high plasticity, No <br /> soft, wet, silty HC Odor <br /> Notes: ® Cement Grout <br /> ® Bentonite Seal <br /> (7F/9-11-89 <br />