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GeoHyceogic Consultants, Inc. <br /> Boring/Well Number: MW-12 Page: 1 of 2 <br /> Project: TOC#172 Owner: Thrifty Oil Company <br /> Location 7647 Pacific Avenue,Stockton,CA Project Number: 1453 <br /> Date Drilled: 0210710B Total Depth of Hole: 73 tt <br /> Surface Elevation: Not Surveyed Depth to Water. 40 ft <br /> Screen: DIA. 0.01 Length: 73 Slot Size: 0.01 <br /> Casing: DIA. 4" Length: 68 Type: 4"Casing <br /> Drilling Company: Test America Drilling Drill Method: Hollow Stem Auger <br /> Driller. Mark Log By: Daniel Bergin <br /> m is Ua w <br /> E ° c Soil Description n_ a <br /> Well Construction F_ � E z p o E <br /> v p m <br /> ❑ rf1 C m 0 J <br /> 12"Well Monument 0 <br /> P-gravel <br /> Concrete <br /> 4"Casing <br /> 5 <br /> P-gravel <br /> 10 <br /> P-gravel <br /> 15 <br /> P-gravel <br /> 10.5'Diameter <br /> Borehole <br /> 9:39 20 <br /> s Elastic Silt-MH-dark yellowish brown:(10YR,414),trace <br /> 1s clay,highly plastic,.moist,hard,collected UST1M-21.6 <br /> 23 0.70 USTIW21.5 <br /> Portland Cement <br /> 9:43 26 <br /> 14 Silty Sand-SM-Dark Yellowish Brown:(10YR,418),10 3.9 <br /> 21 15%silt,very fine sand,nonplastic,slightly moist,hard <br /> 38 <br /> 9:53 30 <br /> 7 Silt-ML-dark yellowish brown:(10YR,416),trace sand, 4.1 <br /> 12 nonplastic,.slightly moist,hard <br /> 27 <br /> 10:08 36 Silt-ML-yellowish brown:(10YR,514),trace clay,trace <br /> 15 fine sand, nonplastic,slightly moist, very stiff 8 <br /> 18 <br /> 17 <br />