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. +'GRO UND ZERO ANALYSIS LOG of WELL VW 2 ,PROJECT LOCATION IRSr1_JACKSON AVENUE _rsCALON CA. PROJECT N0. 400 ATE DRILLED 11 27 01 LOGGED BY SEAN GARVEY REVIEWED 8Y JOHN E, LANE RG Np, 6795 RILLING COMPANY v & W DRILLER AMADOR ARROYO METHOD HOLLOW STEM AUGER BORE HOLE DIAMETER _ __t0 IN DEPTH DRILLED _ 44 FT DEPTH TO WATER : INITIAL N.A. FT STATIC N.A. FT CASING TYPE PyC _ DIAMETER 4 IN SCHEDULE 40 INTERVAL 0 _ FT TO _ _ 24 FT SCREEN TYPE PVC _ DIAMETER 4 IN SLOT SIZE 0.10 IN INTERVAL - 24 FT TO . _ 44 FT FILTER PACK TYPE PEA rRAVELINTERVAL __ 22 FT TO __44 T SURFACE SEAL TYPE NEAT CEMENT OVER HYDRATED BENTONITE INTERVAL 0 TO _22 FT COMMENTS: PAGE 1 OF__Z WELL DEPTH PID SAMPLE ID U.S.C. DESCRIPTION FT, PPM SLOWCOUNT LOG i 0--6/9.5' SILTY SAND; 70-75x, FN, A—SA, PRLY GRD'D SND, 25-30% FINES; MED. DENSE; BRN; NPO; DRY; 2 4 SM ND 6 6 8 SILT; <10%. FN, A—SA SND, >907. FINES; N DRY STR'N., R DLTNCY; L TOUGHNESS; s N PLST; HARD; BRN; SL ODOR; DRY; 7/- 10 16 0.5 20 — 25 12 ML 14 18 1.2 50/5 15.5/t9.5-19.75' WELL GRD'D SAND; >95%, FN—CRS, A—SR, SND. TRC GRVL; 16 <5% FINES; MED. DENSE; BRN; NPO; DRY. 18 GTVW2-20 SW 20 10 19.75-21/24.5- SILT; <5%, FN, A—SA, SND: NO 13 ML >95% FINES; N DRY STR'N., R DLTNCY; L TOUGHNESS; 21 N PLST; V STIFF—HRD, BRN; N—SL ODOR; DRY; 22 21/24.5-25.5/29.5'LEAN CLAY; 5-10%, FN, A—SA, SND; 24 GTVW2-25 90-95% FINES; M DRY STR'N., SLW DLTNCY; M—H TOUGHNESS; 1B M PLST; HARD: BRN; NPO; DRY; 5 50/4 CL 26 25.5/29.5-30.5/34.5' CLAYEY SAND: 75-80%. FN—M, SA—SR, WELL GRD'O SND, TRC GRVL 15-20% FINES; 28 VERY DENSE; BRN; NPO; DRY; GTVW2-30 30 12 1,3 50/5 Sc 30.5/34.5-36/39.5' WELL GRO'D SAND; >95%, FN—CRS, A—SR, WELL GRD'D SND; TRC GRVL: <5% FINES; 32 MED. DENSE, BRN; NPO; DRY; 34 GTVW2-35 7 ND 9 SW —36- 18 36/39.5-41/43.5' SILT; <5%, SND ]95% FINES; N DRY STR'N., R DLTNCY; L TOUGHNESS; N PLST; VERY STIFF; CRY: SL—M ODOR; DRY—MST; 38 L500 15 ML 40