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�. "Geofog* a( 2-echmves Inc. <br /> Borehole Log <br /> V <br /> Project Name Former Moresco Property Borehole No. SB-1 A Page 2 of 4 <br /> Project No. 251.2 Date 04/05/95 Contractor Osterberg & 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 /> Tot. Dep. 100' Tot. Casing Dep. N/A Annular Seal N/A Filter Pack N/A Grout 100'-0 <br /> 6w Borehole Dia. 7.25" Casing Dia. N/A Screened Interval N/A Slot Size N/A Water Level ±110' <br /> o 2c a <br /> EZ s u Description Remarks <br /> vE, c� u v iv`��� Z) <br /> 30 <br /> PID Reading <br /> SAND(2.5Y5/4)very fine to fine, well <br /> v SW graded,slight clay coating on grains, 3 ppm* <br /> 4 10:47 hydrocarbons odor <br /> 35 <br /> V � <br /> tc <br /> �• SAND(2.5Y5/6) fine to coarse,well graded, 0 ppm" <br /> SW loose,hydrocarbon odor? <br /> V 5 10:58 <br /> O � <br /> v. LN.- <br /> SAND(5Y6/6) fine to coarse,well graded, <br /> d ; Sw slight Fcox staining <br /> SM SILTY SAND(grey) fine w/ silt matrix, 0 ppm`' <br /> 6 1I:09 U M L interbedded w/coarse sand <br /> Q SILT(5Y6/4)slightly plastic, friable& hard <br /> >~ Z in nose of sampler, hydrocarbon odor? <br /> V <br /> s CL SILTY CLAY(5Y5/4) firm,plastic,FeOx root 0ppm <br /> 7 11:25 tubes <br /> 56V <br /> CLAY SAND(5Y5/4)fine to medium w/ <br /> SC coarse layers, slight plasticity55 <br /> O ppm <br /> 8 11:42 <br /> V <br /> —_——_ SILTY SAND(5Y5/4)very fine to fine,slight 0 m* <br /> L = SW hydrocarbon odor? PP <br /> 9 I2:02 - - - - <br />&. tes: 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 /> r rev 3/92 *Suspected low reading due to faulty PID Drawn 05/05/95 <br />