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A17 ASSOCIATES INC EOG OF WELL MW4 ' 1117 Lve Palm Rue,Suite B, godesla,Cakorm 95351 PROJECT DIESEL PERFORMANCE LOCATION 2804 EAST FREMONT STREET STOCKTON CA PROJECT NO 62577 0001 DATE DRILLED 12/15-18/99 LOGGED BY TOM LUTTERMAN REVIEWED BY JEANNE HOMSEY C47410 .DRILLING COMPANY VFW DRILLING DRILLER RYAN KUBLI METHOD HOLLOW STEM AUGER ' BORE HOLE DIAMETER e IN DEPTH DRILLED 65 FT DEPTH TO WATER INITIAL 50_ FT STATIC �FI CASING TYPE PVC DIAMETER _ 2 1N SCHEDULE 40 INTERVAL _ D FT TO a5 FT SCREEN TYPE PVC DIAMETER 2 IN SLOT SIZE 0 DID IN INTERVAL _ 4s FL TO6_._-..._.5_^ El FILTER PACK TYPE INTERVAL _ 43 FT_ TO §� -- FT ' SURFACE SEAL TYPE NEAT CEMENT OVER BENTONITE INTERVAL 0 FT TO 43 FT COMMENTS PAGE OF? WELL DEPTH PID AML I LITHOLOGIC DESCRIPTION ' DETAIL FT PPM BLOWCOUNT LOG 0-2- ASPHALT 2 2"-6 5/10 LEAN CLAY WITH SAND (CL) 15% FINE POORLY GRADED SAND 85% 4 CL FINES NO DILATANCY MEDIUM TOUGHNESS MEDIUM PLASTICITY DARK YELLOW BROWN NO PRODUCT DOOR NO ORGANICS MOIST WEAK CEMENTATION HOMOGENOUS 6 24 18 8 10 9 3 5 12 SM 6 5/10-11 5/15 SILTY SAND (SM) 70% FINE POORLY GRADED SAND 30`/. FINES ' 16 DARK YELLOW BROWN NO PRODUCT ODOR NO ORGANICS 12 ORY–MOIST WEAK CEMENTATION HOMOGENOUS —14- 9 i6 35 9 13 18 ' SP 115/15-26 5/30 POORLY GRADED SAND (SP) >90% FINE POORLY GRADED SAND 20 1 <10Y FINES PALE TO MODERATE YELLOW BROWN NO 3 5 1 2 6 PRODUCT DOOR NO ORGANICS DRY WEAK CEMENTATION HOMOGENOUS 20 —22- 24- 13 22413 26 3 5 12 z5 ' 28 - -30- 10 10 ' 26 3 5 34 CL 26 5/30-31 5/35 LEAN CLAY (CL) <10X FINE POORLY GRADED SANG >90% FINES 32 NO DILATANCY MEDIUM TOUGHNESS MEDIUM PLASTICITY NO PRODUCT ODOR NO ORGANICS MOIST WEAK CEMENTATION HOMOGENOUS ' 34- 15 36 3 5 5o MH 31 5/35-36 5/40 SANDY ELASTIC SILT (MH) <70X FIN SAND >30/ FINES LOW TOUGHNESS LOW PLASTICITY MODERATE YELLOW BROWN NO PRODUCT ODOR NO ORGANICS MOIST, WEAK CEMENTATION HOMOGENOUS 38- 40