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`GeoCogicaf Technws Inc. <br /> V0.1 <br /> Boreho:(e Lo.g <br /> Project NameFormer Moresco Property Borehole No. SB-1A Pae 3 of 4 <br /> Project No. 251.2 Date 04/21/95 Contractor Osterber & Stewart Inc. C57 446670 <br /> Area & County 16865 Gawne Rd. Stockton Drilling Method Hollow Stem Auger <br /> Field Geo/Eng T. McDonald Elevation of Measuring Point N/A <br /> V <br /> Tot. Dep. 100' Tot. CasingDe N/A Annularseal N/A 100'-0 <br /> P _ Filter Pack Grout <br /> Borehole Dia. 7.25" Casing Dia. N/A Screened Interval N/A Slot Size N/A Water Level <br /> o <br /> a or � v �u <br /> E m p p o(n Description Remarks <br /> 60 eologic record 0-50 ft from the S13-1 boring <br /> ' drilled 4/5/95 PID Reading <br /> SAND&GRAVEL(2.5Y5/4) fine to medium, <br /> V, GP w/gravel up to 30 mm,slight plastic fines 42 ppm <br /> 110:32 <br /> O <br /> " <br /> CL SILTY CLAY(7.5YR5/4) hard, friable 2.4 ppm <br /> 6- 2 10:49 0 ---_ <br /> o <br /> 'n SILTY SAND(2.5Y5/4)very fine to medium, <br /> _O U 5M well graded,hard,few coarse grains,few root 0P1 <br /> t t:03 tubes <br /> Z z <br /> V <br /> SP SAND(2.5Y5/4) fine to very coarse, poor 3,6 ppm <br /> grading,loose,light hydrocarbon odor in <br /> 3 11:15 slough tube <br /> V <br /> _=-- CL SILTY CLAY (2.5Y5/4) friable 3.6 ppm <br /> 85 <br /> V <br /> CL SILTY CLAY (2.5Y5/4) friable 19 ppm <br /> 4 11:40 ——— <br /> Notes: 0 Silt Clay Sand (5Y5/6)=Munsell soil color description <br /> Gravel/Cobbles Lab Analysis Sample Grain size is referenced to the Modified <br /> Wentworth Scale <br /> rev 3/92 Drawn 05/05/95 <br />