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A ASSOCIATES INC. LOG OF WELL MW2 1117 lone Pdm lore,VM%Cdllolliq 96351 PROJECT STAGG HIGH SCHOOL LOCATION 1621 SROOKSIOE ROAD, STOCKTON. CALIFORNIA PROJECT NO. . 17292.0002 DATE DRILLED QVISIZ01 LOGGED BY JENNIFER COX REVIEWED BY DRILLING COMPANY V&W DRILLING ING INC. _ DRILLER RAIPH MrrAHFY METHOD Hnl I oW STEM AUGER BORE HOLE DIAMETER 8 IN DEPTH DRILLED 37 FT DEPTH TO WATER : INITIAL - -13 FT STATIC - FT CASING TYPE PVC DIAMETER 2 IN SCHEDULE 40 _ INTERVAL 0 FT TO 32 ET SCREEN TYPE PVC DIAMETER 2 IN SLOT SIZE 0.020 IN INTERVAL 32 FT TO 37 FT FILTER PACK TYPE INTERVAL _ 30 FT TO 37 FT SURFACE SEAL TYPE NEAT CEMENT OVER BENTONITE — INTERVAL 0 FT TO 30 ET COMMENTS: PAGE 1 OF-!— ELL FtELL DEPTH PID M LITHOLOGIC DESCRIPTION DETAIL FT. PPM BLOWCOUNT LOG 0-2" - Asphalt 2 - 4 14 6 7 23 28 8 CL 2"-16.5/20' LEAN CLAY (CL): <15% FINE, POORLY GRADED SAND; 107 Mw2-10.6 >85% FINES; MEDIUM-HIGH DRY STRENGTH, NONE-SLOW 22 DILATANCY, LOW-MEDIUM TOUGHNESS, LOW-MEDIUM PLASTICITY, 23 MODERATE YELLOW BROWN, NO CHEMICAL ODOR NOTED, NO 12 ORGANICS, DRY-WET, WEAK CEMENTATION, HOMOGENOUS 14 8 1fi 7 16 23 115 20 7 14 18 MH 16.5/20-21.5/25 ELASTIC SILT (MH): <15X FINE. POORLY GRADED SAND; 20 >857t FINES; SLOW DILATANCY, LOW TOUGHNESS, NONE-LOW 22 PLASTICITY, MODERATE YELLOW BROWN. NO CHEMICAL ODOR NOTED, NO ORGANICS, WET, WEAK CEMENTATION, HOMOGENOUS 24- 7 e 26 10 12 28 ML 21.5/25-31.5/35SILT (ML): <15% FINE, POORLY GRADED SAND; >m FINES; I'C'I' I;II NONE-LOW DRY STRENGTH, SLOW-RAPID DILATANCY, LOW TOUGHNESS, NONE-LOW PLASTICITY, MODERATE YELLOW BROWN, 30 79 NO CHEMICAL ODOR NOTED, NO ORGANICS, M0157-WET, WEAK 13 CEMENTATION, HOMOGENOUS } 13 _ 32 34 MW2-35.5' 7.5 12ML 36 15 31.5/35-36.5' SILT WITH SAND (ML): >20% FINE, POORLY GRADED SAND; 22 <80% FINES; NO DRY STRENGTH. RAPID DILATANCY, LOW TOUGHNESS, NO PLASTICITY, MODERATE YELLOW BROWN. 38NO CHEMICAL ODOR NOTED, NO ORGANICS, MOIST, WEAK CEMENTATION, HOMOGENOUS 40 42