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Ceo(ogicaf Techni* Inc. <br /> ' f Borehole Log <br /> Project Name George's Service Borehole No. MW-1 Page of 1 <br /> Project No. 281 -2 Date 4/25/95 Contractor V&W Drilling Company C57 Lic. 658786 <br /> Area & County 1600 Durham Ferry Rd., Tracy Drilling Method Hollow Stem Auger <br /> Field Geo/Eng T. McDonald Elevation of Measuring Point 99.59' Arbitrary Plane <br /> Tot. Dep. 20' Tot.Casing Dep. 20' Annular Seal 3-4' Filter Pack 4.20' Grout 0-3' <br /> Borehole Dia. 8_00"Casing Dia. 20" Screened Interval 4-20' Slot Size 0.010" Water Level t9.5' <br /> Z y Location-West of former pump island <br /> �yy Description Remarks <br /> V, VI U Nsf FOOD .`� <br /> 1 0 _ is <br /> ii <br /> 1 <br /> s ....... <br /> __.. i ML CLAYEY SILTw/SAND-(5Y5/4), very fine 41 ppm OVM <br /> sand firm, slightly plastic, root tubes, <br /> hydrocarbon odor <br /> i <br /> ,022 =___ <br /> 2 -- i ML CLAYEY SILT-(5Y5/4), firm, slightly 638 ppm OVM <br /> =_- plastic, root tubes, hydrocarbon odor <br /> ii <br /> fiz _-__- ML CLAYEY SILT-(5Y5/4), firm, slightly 30 ppm OVM <br /> 17 <br /> ___= '• `• ' plastic, root tubes, saturated <br /> i <br /> a ML CLAYEY SILT-(5Y5/4), firm, slightly 14 ppm OVM <br /> plastic, root tubes, saturated <br /> Ii <br /> 1 <br /> 25 <br /> 30 <br /> Notes: Silt Clay Sand (5Y5/6)=Munsell soil color description <br /> ==denotes sample submitted for laboratory analysis <br /> Pebbles k= Clayey Sand Grain size is referenced to the Modified Wentworth Scale <br /> rev 3/92 Drawn 8/11/94 <br />