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AIC ASSOCIATES INC. 1117 Lone Pdm k modes!%Coblomi 9251 LOG OF WELL M W 5 PROJECT _ sTAGG HIGH SCHOOI LOCATION _1621 BROOKSIDF R06D. STOCKTON, CALIFORNIA PROJECT NO. 17292.0002 DATE DRILLED X243941 LOGGED BY REVIEWED BY DRILLING COMPANY DRILLER RALPH McGAHFY METHOD HDLLOW STEM AUGER BORE HOLE DIAMETER —8 IN DEPTH DRILLED 27 FT DEPTH TO WATER : INITIAL —15 FT STATIC FT CASING TYPE PVC— DIAMETER 2 IN SCHEDULE 40 INTERVAL 0 IFT TO 7 FT SCREEN TYPE PVC DIAMETER ^2 IN SLOT SIZE 0-020 IN INTERVAL -- 7 FT TO 27 ET FILTER PACK TYPE INTERVAL 5 , .—FT TO 27 FT ' SURFACE SEAL TYPE NEAT CEMEbIT OVER BENTONITE INTERVAL _. 0 FT TO 5 FT COMMENTS: PAGE ?OF—L-- WE F1WELL DEPTH PID SAMPLE ID LITHOLOGIC DESCRIPTION DETAIL �• PPfd BLOWCOUNT LOG 0-2" - Asphalt 2 ' 4 11 CL 2"-16.5/20' SILTY CLAY (CL); MEDIUM DRY STRENGTH; 6.5 17 >75x FINES; MEDIUM PLASTICITY; LIGHT BROWN; NO ORGANIC ' CONTENT: NO CHEMICAL ODOR NOTED; MOIST; HOMOGENEOUS 8 — 10 Mw5-10' 6.5 11 CL SILTY CLAY (CL); LOW DRY STRENGTH; i5 LOW PLASTICITY; NO ORGANIC CONTENT: DRY; LIGHT BROWN 20 12 MEDIUM STIFFNESS; NO CHEMICAL ODOR NOTED; HOMOGENOUS 14 ` 5 CL SILTY CLAY (CL); MEDIUM DRY STRENGTH; 1 g 7 11 MEDIUM PLASTICITY; NO ORGANIC CONTENT; MOIST; LIGHT BROWN 17 MEDIUM STIFF; NO CHEMICAL ODOR NOTED; HOMOGENOUS 18 — t 20 6.5 16.5/20-21.5/25 SILTY CLAY (CL); LOW DRY STRENGTH; MEDIUM PLASTICITY; NO ORGANIC CONTENT; WET; MEDIUM STIFF �2 5 MEDIUM STIFFNESS; NO CHEMICAL ODOR NOTED; HOMOGENOUS r - � . = 24 11W5-10' g CL 21.5/25-26.5 SILTY CLAY (CL); MEDIUM DRY STRENGTH `— MEDIUM PLASTICITY; LIGHT BROWN; NO ORGANIC CONTENT; 26 6.5 B NO CHEMICAL ODOR NOTED; WET; STIFF; HOMOGENOUS ' 28- 30 32 ' 34 ' —36 - -38- 40 40 ' 42