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Geological Technics Inc. <br /> Borehole ]L®g <br />' Project Name George's Service Borehole No MW-4 Page 1 of 1 <br /> Project No 4252 Date 4/30/97 Contractor V&W Drilling <br /> Area & County Corner of Durham Ferry Rd. anti Hwy 33/ Sgn ,Joaquin Co,� <br /> >=ielcl Geo/Eng M. Niemi DriRing Method Hollow Stem Auger <br /> Borehole Dia 8„ Tot Depth 22' Tot Casing Depth 22' Casing Dia 2" Screened Interval 22'-7' <br /> Filter Pack 72'-6' Annular Seal 6'-4' Stot Size 0 020 Grout 4'-0' dater Depth +/-7, <br /> `O ' d Remarks <br /> u C � � U E Description ov�1 m <br /> iLa do aao (U Q) W col >1 (Ppm) <br /> 0z 0 3Q iJN <br /> 0 <br /> 5 4915 s = CL CLAY—{5YR4/2, plastic, slight sweet 26 <br /> • — hydrocarbon odor, very moist, only <br /> enough sample for geology <br /> 10 <br /> 0921 i SM SILTY SAND—(5Y5/6) fano grained, top 18—top 6" <br /> 6" stained gray with product, gasoiline <br /> odor, riet 1 bottom 6" <br /> 15 0926 3 Sid SILTY SAND—(5Y5/6), fine grained, more 1 <br /> a silt, plastic <br /> 20 <br /> 0930 a SM SILTY SAND—(5Y5/6), fine grained, less 0 <br /> silt, slightly plastic, sample slid out of <br /> spoon so geology only <br />' 25 <br /> 030 <br />' Notes © SAND CLAY ® Annular Seal ® Grout <br /> SILT Samplo Submitted to Laboratory <br />