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GROUND-WATER <br /> LA TECHNOLOGY, INC. <br /> Monitoring Well 5 Drilling Lis <br /> Project Texaco/Stockton Owner Texaco-Refining & Marketin Sketch Mop <br /> Locatlon 440 Charter Way Project Numoer -2Q2/150-4150 _ <br /> Date DrI11ed 5/23/89 Total Depth of Hole 45 ft. Dlcmeter 10.5 in, SEE SITE PLAN <br /> Surface Elevctlon-______....Water Level lnit;c! 24.5 ft. 24—hour T <br /> Screen- Dla. 4 in- 25 25 ft. Slot Size •020 an. <br /> Casing: Dia. 4 an• -Length 20 f t. TypePVC _ <br /> Drilling Compony_Sierra Pacific Drilling Method Hollow stem Auger <br /> Driller A. Schonbercrer_ Log by M. Ostendorf Notes: <br /> Geologist / Englneer-F- License No. - 'D-r,- 94-472 <br /> Descrlption/Soft Closslflcation <br /> (Color, Texture. Structures <br /> I I I Tan, silty sand (rioist, no product odor) <br /> ! 1 <br /> 2 ISM I <br /> ' I I (grades clayey) <br /> O � Tan, salty clay (very stiff, :,joist, no product odor) <br /> A $ <br /> ° 0 15 <br /> 17 <br /> Q <br /> n CL <br /> 10- B <br /> 74 <br /> A7E <br /> ' 12 0 <br /> 4 (moderate product odor from boring) <br /> 1 Tan, clavey silt (very staff, moist, moderate <br /> G product odor) <br /> C 11 (white calacha stringers in sample) <br /> 16 0 13 PAL <br /> 19 <br /> 18 <br /> Tan-5ro1m, sandy clay (very stiff, Moist, slight <br /> D product odor) <br /> 20 .� 7 <br /> 22 71 <br /> 22 :u. 17 CL <br /> 24 <br /> : _1 <br /> • "� -ncountered --ater 5/23/89 (1030 hours) <br /> a/aa arv. c <br /> Page._Lof? <br />