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GROUND WATER <br /> i ❑� TECHNOLOGY, INC. MONITORING <br /> WELL 4 Drilling Log <br /> Project—Genova Bakery , Owner Estate of Angelo Rolleri Sketch Map <br /> Location 749 N. Sierra Nevada Project Number- 242/799-5005 SEE SITE PLAN <br /> Date Drilled 7/7/88 -----Total Depth of Hole 55.5 ft Dlameter 7 in. <br /> Surface DeYatian water Level lnitial 44 ft. 24-hour <br /> Screen: Dia. 2 in. __Length 30 ft. Slot Size 0.020 in. <br /> Casing: Dia. 2 i-n. -_t ength - 25 ft- Type PVC ._ <br /> DrNing Company KvilhauQ ,.._ Drllling Method_ Hollow_stem auger <br /> Driller C. Pruner � by P. Brichta - Notes: <br /> Geologist / Engineer License No. <br /> ' Descrlptlon/Solt Claselflaattan <br /> (Color. Texture. Structures) <br /> 0 Grass surface <br /> Brown silty fine sand (medium dense, dry, no <br /> SM product odor) <br /> 2 I Light orange-brown silty clay (hard, dry, no <br /> . product odor) <br /> 4 A <br /> 0 <br /> 0. <br /> 12 <br /> s 1.4 14 <br /> 0 29 <br /> (grades light grayish brown) <br /> 0 <br /> 8 a <br /> 0 <br /> B <br /> 7D <br /> e (grades very stiff) <br /> p 1.2 14 <br /> 15 <br /> 12 <br /> (grades light orange brown) <br /> CL (grades slightly moist) <br /> 14 o C (sane fine black mottles) <br /> 1.2 to (grades greenish gray and orange brown <br /> sfi 16 mottles) <br /> 18 0 <br /> 2D D <br /> • 12 <br /> ;• 1 4 14 <br /> 22- <br /> 24- <br /> • <br /> � cert a Page�of�. <br />