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-G6(o ica( Techr s Inc. <br /> Borehole Log <br /> Project Name Former Moresco Property Borehole--No. SB-1 Page_2_ of 2. <br /> ` Project No. 251.2 Date 04/05/95 Contractor Osterberg & Stewart Inc. C57 446670 <br /> E 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. 60' Tot.'Casing Dep. N/A Annular Seal N/A .Filter Pack N/A Grout 60'-0 <br /> Borehole Dia. 7.25" Casing Dia. N/A Screened Interval N/A N/A <br /> Slot Size Water Level <br /> L <br /> E r- co s �o e cn el U `n Description Remarks '? <br /> cn JI <br /> V V �eSO � i <br /> 30 PID Reading <br /> i 1 <br /> I <br /> (7 SAND(2.5Y5/4)very fine to fine,well <br /> SW raded,.slight clay coating on grains, 3 ppm* <br /> cn g <br /> q 10:47 hydrocarbons odor <br /> O <br /> E <br /> G SAND(2.5Y5/6) fine to coarse,well graded, 0 ppm* <br /> SW loose,hydrocarbon odor? <br /> 5 70:58 0 <br /> C <br /> O � i <br /> SAND(5Y6/6) fine to coarse,well graded, <br /> SW slightFeOxstaining <br /> O V SM SILTY SAND( rey) fine w/ silt matrix, 0 ppm* <br /> g <br /> b 77:09 M L interledded w/ coarse sand <br /> C O SILT(5Y6/4) slightly plastic, friable& hard <br /> 2 in,nose of sampler, hydrocarbon odor? <br /> CL SILTY CLAY(SYS/4) firm,plastic,FeOx root Oppm. <br /> 7 11:25 tubes <br /> E i <br /> CLAYEY SAND(5Y5/4)Fine to medium w/ <br /> coarse lavers, slight plasticity Oppm <br /> 8 11:42 <br /> 55 <br /> 51LTY SAND(5Y5/4)very fine to fine,slight 0 ppm* <br /> SW hydrocarbon odor? <br /> 9 72:02 <br /> ;t <br /> Notes- Silt Clay Sand (5Y5/6)=Munsell soil color description <br /> Gravel/Cobbles s• Lab Analysis Sample Grain size is referenced the Modified <br /> o Wentworth Scale <br /> rev 3/92 *Suspected low reading due to faulty PID Drawn 05/05/95 <br /> I E <br />