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Total depth of borings 75 ft Diameter of borings 10 in Date drilleds 12Z16/91 <br /> Casing diameter, 4 in Lengths 74 3 ft Slot size, 02 <br /> Screen diameter, 4 in Length. 15 ft Material type, PVC <br /> Drilling Company,.Woodward Drilling Co Drillers W2 ne Robert <br /> Method Useds Hollow—stem Auger __ _—_ Field Geologists Claudia <br /> Signature of Registered Professionals <br /> Registration No.s 43139 States Calif <br /> SAMPLEUSCS I WELL <br /> DEPTH NO. P.I.D. CODE DESCRIPTION <br /> a; CpHST. <br /> I <br /> 0 Asphalt, gravel base fill <br /> 2 CL Clay black, slightly damp slight plost,c t✓ <br /> I 1 <br /> 4 <br /> • 6 S-6 31 ppmv SM Silty sand fine— medium—grained sanc Isaht brown <br /> slightly damp, dense <br /> I <br /> is - <br /> S-11 31 0 <br /> ppmv ML Clayey silt light brown slightly clamp s,,ant piosticity <br /> L 12 stiff <br /> 1 14 <br /> 1 <br /> l <br /> L 16 S-16 38 ppmv Silt trace clay, hard <br /> I <br /> 18 � <br /> t <br /> 2D <br /> S-21 L31ppmv Silt trace fine--grained sand light brown slightly damp <br /> hard <br /> (section continues downworc <br /> �1s LOG OF BORING: B2/MW1 PLATE <br /> r <br /> r r rwrr rr�woo <br /> ARCO Service Station No, 2130 <br /> 7906 North El Dorado Street C5 <br /> FILE Stockton, California <br /> PROJECT NO. 30003-4 aoo3DlA <br />