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r 'CeoCo8 ica[ TIechr s Inc, <br /> Boreho`Ie Log. .. <br /> Project Name Former Moresco Property Borehole .No. SB-2 Page of 2 <br /> Project 251.2 04/06/95 1 4sterber & Stewart Inc. C57 446670 <br /> oject No Date Contractor g <br /> Area & County 16865 Gawne Rd., Stockton Drilling Method Hollow Stem Auger <br /> Field Geo/Eng , McDonald Elevation of Measuring Point N/A <br /> Tot. Dep. 50' Tot. Casing Dep. N/A Annular Seal' N/A Filter Pack N/A Grout 50'-0 <br /> �� ±110' <br /> Borehole Dia. 7.25�, Casing Dia. N/A Screened lnterual N/A Slot Size N/A Water Level <br /> a 0 V) s ? Description Remarks <br /> cn c`� V V iv�g <br /> 0 + <br /> t PID Reading <br /> � M L CLAYEY LOAM;loose 0.2 ppm <br /> 08:37 L) " <br /> s <br /> O <br /> SILTY SAND(2.5Y5/6)fine to medium,well 1.9 ppm <br /> i. S M: graded;hard,root tubes <br /> a8:a2 a l <br /> 1L U r. <br /> SILTY CLAY(2.5Y6/8)dense,friable,few <br /> U --- CL' root tubes,black manganese staining locally 12 ppm <br /> 08:57 --- <br /> Z <br /> SILTY SAND(2.5Y6/6)fine to medium, 0,6 ppm <br /> SM numerous small apature root tubes¢0.5 mm, <br /> 09:071 local'plastic clay matrix <br /> SAND(2.5Y5/6)fine to medium,well graded, 0 <br /> SW loose per' <br /> 109;18 <br /> _ _•-•- M L CLAYEY SILT w/ SAND(2.5Y6/6)very fine 0.6 ppm <br /> .........— to fine,root tubes w/ire green staining and <br /> 1 109:30 ........... very fine material,sligfitly plastic <br /> Notes: gilt Clay Sand (5Y5/6)=Munsell soil color description <br /> Gravel/Cobbles Lab Analysis Sample Grain size is referenced to the Modified <br /> j Wentworth Scale <br /> rev 3/92 *Suspected low reading due to faulty PID Drawn 05/05/95 <br /> r k� <br />