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❑� 15 <br /> ❑� GROUNDWATER Monitoring Well sketch Map Drilling Log <br /> TECHNOLOGY, INC. <br /> Protect 7-11 /Stockton Owner Southland Corporation <br /> Location 9110 Thornton Rd. Project Number 203 475 2894 <br /> Date Drilled 8/7/89 Total Depth of Hole 75' 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 I'yC <br /> Drilling Company Sierra ac. Drilling Method Hallow Stem Auger Notes <br /> Driller Anthony Schonbercler Log by Paul Horton/Joe Ramage ND - Non Detectable <br /> Geologlst/Engineer 412k­^^ — License No. Z6-141g't - <br /> a 3 Description/Soil Classification <br /> F n <br /> (Color, Texture, Structure) <br /> a,e•Q•. Road base (coarse gravel fill) <br /> o o <br /> 2 <br /> 0.( <br /> 4 r Tan, silty, fine sand (moderately well sorted, <br /> 11 medium dense, dry, no product odor) . <br /> 6 SM (grades to medium-grained) <br /> 8 <br /> B <br /> ND <br /> •; r <br /> 10 ; Light brown, medium sand (poorly sorted, dense, <br /> moist, no product odor) . <br /> . . . . . (grades reddish-brown) <br /> 12 <br /> 14 ND <br /> SM ' Brown, silty, very fine sand (medium dense, moist, <br /> no product odor. <br /> 16 <br /> (grades less silty) <br /> Brown, very fine sand (well sorted, medium dense, <br /> 8 ''SP • moist, no product odor) . <br /> 4 <br /> D <br /> ND Medium 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 /> O .o <br /> 1. <br /> VMCH 21.x, 1909 - REV. G P a gem_of 3 <br />