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WELL/BORING LOG <br /> PROJECT T. JOSEPH'S MEDICAL CENTER LOCATION MCCLOUD AVENUE do CEMETARY LN, STOCKTON CA PROJECT NO. W0466.01 <br /> WELL/BORING NO. _ MWi SURFACE ELEVATION NS FT WELLHEAD ELEVATION NS FT <br /> DATE DRILLED 05/06/92 REVIEWED BY GREG STAHL RG No. 5023 LOGGED BY LOIS FRANTZ <br /> DRILLING COMPANY SPECTRUM EXPLORATION DRILLER VAN LEONARD/TONY BUCKMAN METHOD HOLLOW STEM AUGER <br /> BORE HOLE DIAMETER a IN DEPTH DRILLED 76 FT DEPTH TO WATER : INITIAL 68 FT STATIC 66.72 FT <br /> CASING TYPE PVC F480 DIAMETER 2 IN SCHEDULE 40 INTERVAL O FT TO 61 FT <br /> SCREEN TYPE PVC F480 DIAMETER 2 IN SLOT SIZE 0.010 IN INTERVAL 61 FT TO 76 FT <br /> FILTER PACK TYPE 2/12 SILICA SAND <br /> SURFACE SEAL TYPE CEMENT SLURRY OVER BENTONITE INTERVAL 59 FT TO 76 FT <br /> INTERVAL 0 FT TO 59 FT <br /> NOTES 2' BENTONITE ABOVE FILTER PACK <br /> WELL DEPTH PID SAMPLE ID U.S.G. <br /> DETAIL (FT.) (PPM) BLOWCOUNT LOG SOIL DESCRIPTION <br /> 0 0-6.5/10' LEAN CLAY; 10% SA—SR, FN, PRLY GRDD SND; 90% FNS; H— <br /> VH DRY STRNGTH; N—SLW DLTNCY; M TGHNSS; L—M PLST; <br /> 2 V STIFF; GRY BRN; NPO; DRY; N HCL REACTION: WEAK <br /> CEMENTATION; HOMO <br /> 4 CL <br /> 1.1 4 ,6.5/10-16.5/20' ELASTIC SILT; 10% SA-SR. FN, PRLY GRDD SND: 90% FNS; <br /> 6 1 M-H DRY STRNGTH; SLW DLTNCY; L-M TGHNSS; L-M PLST; <br /> 19 V STIFF; M YLLW BRN; NPO; DRY; N HCL REACTION; WEAK <br /> CEMENTATION; HOMO <br /> _ - <br /> — 10 1.1 4 <br /> 12 <br /> 12 2z <br /> MH <br /> 14 <br /> 8s 16.5/20-21.5/25' WELL GRADED SAND; 95% SA—SR, FN—CRS, W GRDD SND; <br /> 16 <5% FNS; LS; LT YLLW BRN; SL PO; MST; N HCL <br /> REACTION; WEAK CEMENTATION; HOMO <br /> 18 <br /> 20 1.3 WW1-204.5' <br /> 5 SW 21.5/25-31.5/35' LEAN CLAY; 10% SA—SR, FN, PRLY GRDD SND; 90% FNS; <br /> 5 H—VH DRY STRNGTH; N—SLW DLTNCY; M TGHNSS; L—M <br /> 22 PLST; STIFF; M YLLW BRN; SL P0; MST; N HCL <br /> REACTION; WEAK CEMENTATION; HOMO <br /> 24 <br /> 1.6 s <br /> 26 7 <br /> 28 CL <br /> _ 30 2.3 6 <br /> 8 31.5/35-36.5/40' WELL GRADED SAND; 95% SA—SR, FN—CRS, W GRDD SND; <br /> 32 9 <5% FNS; M DNS; M YLLW BRN; SL P0; MST; N HCl <br /> REACTION; WEAK CEMENTATION; HOMO <br /> - - 34 <br /> _ 2.3 4 SW <br /> 36 7 36.5/40-46.5/50' SILT; 10% SND; 90% FNS: L—M DRY STRNGTH: SLW DLTNCY: <br /> _ L TGHNSS; L—M PLST; V STIFF; M YLLW BRN; NPO; MST; <br /> 38 N HCL REACTION; WEAK CEMENTATION; HOMO <br /> " <br /> 40WW1-40.5' <br /> 10.5 6 <br /> 12 <br /> 42 14 ML <br /> PAGE 1 OF 2 <br />