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-AWCASSOCEATES INC. 1160 4tics 06#I ydeq Cffak 9551 LOG OF WELL MW 1 PROJECT RIPON UNIFIED S.Q. LOCATION 304 NORTH ACACIA AVENUE.- RIPON, CA PROJECT NO. 13099.0001 DATE DRILLED 012799 LOGGED BY TOM LUTTERMAN REVIEWED BY JEANNE HOMSEY X47410 DRILLING COMPANY VArW 0RIII ING_INC. DRILLER ROBERT VICKERY METHOD HOLLOW STEM AUGER BORE HOLE DIAMETER 8 IN DEPTH DRILLED 35 FT DEPTH TO WATER INITIAL -18.5 FT STATIC ___19.5- FT CASING TYPE PVC DIAMETER 2 IN SCHEDULE 40 INTERVAL 0 FT TO 13.5 FT SCREEN TYPE PVC DIAMETER 2 IN SLOT SIZE _9.020 __ IN INTERVAL 13.5_ FT- TO 33.5 FT FILTER PACK TYPE RMC LONESTAR #3 INTERVAL 12 FT TO 35 FT SURFACE SEAL TYPE SAT CEMENT OVER BENTONITE INTERVAL 0 ET TO 12 FT COMMENTS: PAGE 1 OF—.L— WELL F1WELL DEPTH PID SAMPLE ID UTHOLOGIC DESCRIPTION DETAIL FT. PPM BLOWCOUNT LOG 0-2" - Asphalt 2 4 SP-SM 4 6 O 4 5 2'-6.5/10' POORLY GRADED SAND WITH SILT (SP-SM): 907E FINE, POORLY GRADED SAND: 10% FINES; MODERATE YELLOW BROWN. NO $ \ PRODUCT ODOR, NO ORGANICS, DRY-MOIST, WEAK CEMENTATION, HOMOGENOUS to O a3 it 13 —12- -14- 15 15 : = 0 1a 1$ 27 1$ SW 6.5/10-31' WELL GRADED SAND (SW): >95% FINE-COARSE, WELL GRADED SAND; 05R FINES: PALE YELLOW BROWN, NO PRODUCT ODOR, NO }— t 20 RUSD-MWI-20.5 S ORGANICS, DRY-MOIST, WEAK CEMENTATION, HOMOGENOUS `• 0 25 Sz 30 50 — 22 24 0 30 zs 45 50 — 28 30 0 20 27 30 31-31.5/34' LEAN CLAY (CL): <15% SAND; >857L FINES; NO DILATANCY, MEDIUM 32 CL TOUGHNESS, MEDIUM PLASTICITY, MODERATE YELLOW BROWN. NO PRODUCT ODOR, NO ORGANICS. MOIST-WET, WEAK CEMENTATION, RUSO-MWI-34 HOMOGENOUS 35' s s, 34 37 MH 31.5/34-36' ELASTIC SILT WITH SAND (MH): 25% FINE-MEDIUM SAND; 757E 2 40 FINES; LOW DRY STRENGTH, NONE-SLOW DILATANCY. LOW-MEDIUM 36 TOUGHNESS, LOW-MEDIUM PLASTICITY, MODERATE YELLOW BROWN, NONE-SLIGHT PRODUCT ODOR, NO ORGANICS, MOIST-WET, WEAK CEMENTATION, HOMOGENOUS 38- -40 42