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AUT ASSOCIATES INC. LOG OF WELL Iv{W4 I III Lu t Pdm kSulo B,UnIkib,Wmia,Ml PROJECT DIESEL PERFORMANCE LOCATION 2804 EAST FREMONT STREET, STOCKTON,_CA PROJECT NO. 62577.0001 DATE DRILLED 12/15-16/99 LOGGED 8Y TOM LUTTERMAN REVIEWED BY JEANNE MOUSEY C47410 { Lo DRILLING COMPANY V&W ORILONG DRILLER RYAN KUBL1 METHOD HOLLOW STEM AUGER BORE HOLE DIAMETER a IN DEPTH DRILLED 65 -E DEPTH TO WATER INITIAL _ 50 FT STATIC ! f CASING TYPE PVC DIAMETER 2 IN SCHEDULE 40 INTERVAL n FT TO 45 -- l SCREEN TYPE PVC DIAMETER 2 IN SLOT SIZE 0.010 IN INTERVAL 45 FT TO 65 FT Lo FILTER PACK TYPE RMC LONE STAR #2112 SAND INTERVAL 43 FT TO 65 FT- T SURFACE SEAL TYPE NEAT CEMENT OVER BENTONITE INTERVAL 0 F TO 43 FT COMMENTS: PAGE 1 OF--.L WELL DEPTH PID SAMPLE ID LITHOLOGIC DESCRIPTION DETAIL FT. PPM BLOWCDUNT LOG 0 2" ASPHALT 2 i V 2'-6.5/16' 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 ODOR, NO ORGANICS, MOIST, 14 WEAK CEMENTATION. HOMOGENOUS ; 3.5 6 24 16 s 10 I 3.5 92 SM 6.5/i0-11.5/15' SILTY SAND (SM): 70% FINE, POORLY GRADED SAND; 30% FINES; IE 16 DARK YELLOW BROWN, NO PRODUCT ODOR, NO ORGANICS, E Lot 12 DRY–MOIST, WEAK CEMENTATION, HOMOGENOUS I * 14 Lr 4 16- 18 6 18 SP 11.5/15-26.5/30' POORLY GRADED SAND (SP): >90% FINE, POORLY GRADED SANG; 20 <10% FINES; PALE TO MODERATE YELLOW BROWN, NO Lr 3.5 16 PRODUCT ODOR, NO ORGANICS, DRY, WEAK CEMENTATION, j 20 HOMOGENOUS 22 Lw 24 13 26 3.5 12 Lw 25 28 lr 30 10 } 3.5 34 CL 26.5/30-31.5/35' LEAN CLAY (CL): <IOX FINE, POORLY GRADED SAND; >90% FINES; Lm 32MEDIUM PRODUCT ODOR. NO ORGANICS, MEDIUM MOISESS.T, WEAK CEMENTA ION. HOMOGENOUS 34 Lo 1S 3628 3'S 50 MH 31.5/3S-36.5/40' SANDY ELASTIC SILT (MH): <70% FINE SAND: >30% FINES: LOW * TOUGHNESS, LOW PLASTICITY. MODERATE YELLOW BROWN, NO PRODUCT ODOR, NO ORGANICS, MOIST, WEAK CEMENTATION, HOMOGENOUS L,,,, 38 40 Lo