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Geological Teoinics Inc. <br /> Borehole Log / <br /> Project Name McGronahan Moresco Borehole No. AR-2 Page 2 of 2 <br /> Project No. 251.3 Date— 9/18/97 Contractor V&W Drilling <br /> r <br /> Area & County 16865 Gawne Rd., Stockton. CA/ San Joaquin Co. <br /> Field Geo/Eng M. Niemi . D esberg Drilling Method Hollow Stem Au er <br /> Borehole Dia 10.25" Tot. Depth 45' I Tot. Casing Depth 45' . Casing Dia. 3" Screened Interval 45-25' <br /> Filter Pack 45-23' _ Annular Seat 23-21' _"Slot ,Size 4.040" Grout 21--0' Water Depth N A <br /> yL <br /> v d Remarks <br /> � o <br /> E o� U E: Description <br /> a s a s ri w 3 n to OVM (PPM). <br /> �, z U 3 ca Urn <br /> 3015 ai SP SAND—(10YR5/6), medium grained, 30 0 <br /> t <br /> 34ML to 31 feet. <br /> L SILT—(2.5Y5/3), 31-31.5'. <br /> a <br /> 35 18b5 i� SAND- 10YR4 4 , medium grained, 0 <br /> 23 SP loose, no gasoline odor. <br /> 40 <br /> 1855 1 SP ' SAND—(10YR4/4), medium grained. OVM Low Battery. <br /> 17 Bottom 6" becoming very coarse with <br /> gravel, no gasoline odor. <br /> 45 - <br /> 1905 1905 s =_ CL CLAY—(10YR4/3), rust staining, moist, OVM Low Battery <br /> --- no gasoline odor. <br /> 50 <br /> 55 <br /> I 60 <br /> Notes: SAND CLAY ® Annular Seal Grout <br /> SILT Sample Submitted to Laboratory <br />