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Arlt SOCIATES INC. 1111 Lme%Ae,si: R Ilod us CoIRomlq ml LOG OF WELL MW5 PROJECT CONTI GROUP LOCATION 1805 HARBOR STREET, STOCKTON, CA_ — PROJECT N0. 54-6750Q.0001 DATE DRILLED 05106/nn LOGGED BY TOM LUTTERMAN REVIEWED BY RILLING COMPANY DRILLER FRANK RAMIREZ METHOD ORE HOLE DIAMETER —8 IN DEPTH DRILLED 26.5 FT DEPTH TO WATER INITIAL -12 EL STATIC FT_ CASING TYPE PVC DIAMETER —2--__ L SCHEDULE 40 INTERVAL 0 FT TO 5 FT SCREEN TYPE PVC DIAMETER 2 IN SLOT SIZE 0,020 IN INTERVAL 5 FT TO 25 FT FILTER PACK TYPE INTERVAL 45 FT TO 26.5 FT_ I SURFACE SEAL TYPE NEAT CEMENT VER BENTONITE INTERVAL 0 FT TO 4.5 FT COMMENTS: PAGE 1 OF WELL DEPTH PID SAMPLE ID LiTHOLOGIC DESCRIPTION DETAIL FT. PPM RLOWCOUNT LOG 0-1.5' - ROAD BASE MATERIAL I P 2 1.5-2' - SAND 4 2-6.5/10' LEAN CLAY (CL): <15X FINE, POORLY GRADED SAND; >BSX 15 CL FINES; NO DILATANCY, MEDIUM TOUGHNESS, MEDIUM PLASTICITY, 6 519 OLIVE GRAY, NO PRODUCT ODOR, NO ORGANICS, DRY-MOIST, s = 1 7t WEAK CEMENTATION, HOMOGENOUS 10 CC-MW5-10.5 L 5 5 6.5/10--11.5/15' POORLY GRADED SANG WITH Si LT (SP-SM): 90% FINE, POORLY SP-SM GRADED SAND; 10% FINES; OLIVE CRAY, NO PRODUCT ODOR, NO — 12 13 ORGANICS, WET, WEAK CEMENTATION, HOMOGENOUS 11.5/15-16' POORLY GRADED SAND (SP): >95% FINE-MEDIUM, POORLY a+ v, 14 SP GRADED SAND; <5% FINES; OLIVE CRAY, NO PRODUCT ODOR, NO f 16 30 ORGANICS, WET, WEAK CEMENTATION, HOMOGENOUS _ 25 SW = 18- 16-16.5/20' WELL GRADED SAND (SW): >95% FINE-COARSE, WELL GRADED '. SAND; <5% FINES; OLIVE GRAY, NO PRODUCT ODOR, NO ORGANICS. 20 CG-MW5-20.5 WET, WEAK CEMENTATION, HOMOGENOUS = 5 9 SM 10 i = 23 16.5/20-21.5/25' SILTY SAND (SM): >60% FINE, POORLY GRADED SAND; <40% FINES; 22 \ DARK GREENISH GRAY 'r — 24 \ �• 5 CG-MW5-25.5 1521.5/25-26.5' POORLY GRADED SAND (SP): >907. FINE. POORLY GRADED SAND; 26 1:7 SP <10% FINES; DARK GREENISH GRAY, NO PRODUCT ODOR, NO I Z1 ORGANICS, WET, WEAK CEMENTATION, HOMOGENOUS —28- 30- -32- 36 8303236 r 38 I 40 L 42