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Total depth of borings 45 ft- Diameter of borings a in. Date drilled, 10/22/91 <br /> Casing diameters 4 in. l anob, 42 ft. Slot else, .05 <br /> Screen diameters 4 in. Length& 20 ft. Material types PVC <br /> Drilling Companys Westex Drillers Chris & Tim <br /> Method Used, Hollow—stem Auger Field Geologists Claudio <br /> Signature of Registered Professional, <br /> Registration Nom 4313 States Calif. <br /> DEPTH SAMPLE P.LD. USCS DESCRIPTION WELL <br /> NO. m CODE DESCRIPTION <br /> Asphalt. <br /> 2 , <br /> 4 <br /> S-5 44 1 1 Ml Silt some fine—grained sand, light brown, slightly damp, <br /> ppmv hard. <br /> 6 <br /> 8 <br /> 10 S-10 48 pP7 Clay and trace fine—grained sand, slight plasticity. <br /> 12 <br /> 14 <br /> S-15 35 pprnv •• <br /> 15 <br /> 18 t <br /> 2Q 5--20 33 ppmv Silt some fine—grained sand, light reddish brown. <br /> (section continues downward) <br /> I <br /> - �����, LOG OF BORING: B-14/VW-3 PLATE <br /> �.— ARCO Service Station No. 546 <br /> :... lt��/`IQ's <br /> 1612 Hammer Lane 24 <br /> �a. <br /> PROJECT NO. 30004-4 0004D13A Stockton, California <br />