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f <br /> t ' <br /> Drliing Log <br /> t. GROUNDWATER Monitoring Well 15A Sketch Map <br /> DE10 TECHNOLOGY, INC. t <br /> Project 7-11 /Stockton : Owner- SouthlanC . Corporation <br /> Location 9110 Thornton Rd. project Number 203 475 2894 <br /> Date Drilled 8/7/89 Tata! Depth of Hole 751- Diameter 7.5" <br /> Surface Elevation Water Level Initial 501 '24—hour <br /> Screen: Dia. 211 Length 51 ' Slot Size •020" <br /> Casing: Dia. 2" Length 70' Type P_1!-C-__ <br /> Sierra Pac. Hollow Stem &gLger Notes <br /> Drilling Company Drilling Method---- - r <br /> Driller Anthony Schonberger Lag by Paul Horton/Joe Ramage_ ND = Non Detectable <br /> Geologist/Engineer License No. i <br /> $ a 3 Description/Soil Classification <br /> gK g Z (Calor, Texture, Structure) <br /> t <br /> :o"' Aoad .base (coarse gravel fill) <br /> 2 .[., . o. .p •,. <br /> .o <br /> 4 Tan, silty, fine sand (moderately well sorted, <br /> medium dense, dry, no product odor) . <br /> X. 0 I <br /> SM ' <br /> I` 6 :t .(grades, to medium-grained) <br /> I ! I <br /> 8Q <br /> ND <br /> f I I I <br /> 10 Light brown, mediuri sand (poorly sorted, dense, <br /> moist, no product odor) : <br /> (grades, reddish-brown) <br /> 12 <br /> 14 ° ND '� '��� <br /> SMBrown, silty, very fine sand (medium dense, moist, <br /> no product odor. <br /> 16 (grade's` less silty) <br /> Brown, very, fine sand (well sorted, medium dense, <br /> 18 •.$P.: moist,:` no product odor) . <br /> a'. D <br /> NDMedium brown, sandy silt, medium stiff, moist, <br /> 20 ML . no product odor) . <br /> 22 Brown, fine sand (very well sorted, medium dense, <br /> o. ;SP;.; moist, no product odor) . <br /> d o <br /> UMai 21arL 12eQ - Rev. c Page-1-of-1— <br />