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' Tota# depth of boring, 45 ft_ Diameter of boring: 10 in. Onto drilled,_0/18/91 <br /> Casing diameter, 4 in. Length, 64 ft. Slot size, :.050 in. <br /> Screen diameter, 4 in. Length, 20 ft. Material type, <br /> Drilling Company, westex Driller, Chris & Mark <br /> Method Used, Hoilow—stern Auaer Field Geoioglst, :.Iaudio <br /> ' Signature of Registered Professional, <br /> Registration No., 4313 State, Calif. <br /> ' USCS <br /> DIPTNI SAMPLE o P.I.D. CODE! DESCRIPTION 4i118T. <br /> NO. <br /> 30 0 M� Silt some rine—grained__sand, light brown, slightly aarr=. <br /> pprnv ! very stiff. <br /> b <br /> a - <br /> ' _ _-10 51 0 1 Moderate to light brown, hard. <br /> i 0 ppmv <br /> kf . <br /> ' i2 I •� <br /> i ,rl <br /> .I <br /> 1 i4 — � ,•• <br /> 56 pp0rtrnv } Trace clav and sand, fine—grained sana, moaerate cr:.Yn. <br /> ' 15 <br /> 18 - <br /> ' 0 ! Sandy silt, tine-grained sand, light to moaerate braw-. <br /> 20 =-20 42 ppmV SM .iighity damp, hard. <br /> I (section continues downward) <br /> t/'p LOQ OF BORING: B-11/VW-2 PLATE <br /> i� WA"- ARCO Service Station No. 548 <br /> 1612 Hammer Lane 18 <br /> PROJECT NO. 30004-4 'U"a• Stockton, California <br /> 0004010A <br />