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I <br /> WATER WORK <br /> WELL/BORING LOG <br /> PROJECT CHEVRON STOCKTpN LOCATION 540 NORTH AURA WAY, STOCKTON <br /> WELL/BORING NQ Mw3 ORPROJECT NQ 376 <br /> SURFACE ELEVATION NAVELLHEAD ELEVATI❑N NA <br /> DATE DRILLED 05/01/91 REVIEWED BY NORA H KATAOKA RCE 1138322 KRYS HARDMAN <br /> DRILLING COMPANY SPECTRUM EXPLORATION LOGGED BY <br /> DRILLER TED COFFEY I METHOD HOLLOW STEM AUGER BORE HOLE DIAMETER 8 IN DEPTH DRILLED 77 FT DEPTH TO WATER. INITIAL 645 FT STATIC _ 625 FT <br /> CASING TYPE PVC F480 DIAMETER 2 40 <br /> SCREEN TYPE PVC F480 2---ISL SCHEDULE — INTERVAL 0 FT TO 52FT <br /> DIAMETER �.�_ SLOT SIZE _ 0010 IN INTERVAL--52 cr TO 77 Fr <br /> FILTER PACK TYPE #2/12 SILICA SAND INTERVAL—_ 56 FT T❑ 77 <br /> SURFACE SEAL TYPE NEAT CEMENT OVER 2' BENTONITE PLUG <br /> NOTES INTERVAL 0 FT TO 54 C; <br /> YELL DEPTH PID AMPLE ID 1 LLS G <br /> DETAIL (FT) (FPM) BLOVCOUN1 LOG SOIL DESCRIPTION <br /> 0-3' ASPHALT <br /> FILL <br /> 2 31-21 FILL <br /> 4 CL <br /> 2 2-5' SANDY LEAN CLAY; <35/ SA-SR, FN, PRLY GRDD SND; >65/ <br /> 6 MH FNS; M DRY STRNGTH; SLW DLTNCY, N PLST; STIFF; DRK <br /> 9 YLLW BRN; NPO; MST; N HCL REACTION, WEAK CEMENTATION <br /> 8 5-65/10' SANDY ELASTIC SILT; <40/ SA-SR; FN, PRLY GRDD SND, >60/ <br /> MH FNS, M DRY STRNGTH; SLW DLTNCY, Mi PLST, V STIFF, DRK <br /> 10 YLLW BRN; NPO; MST; N HCL REACTION; N CEMENTATION <br /> 11 <br /> _ 12 16 <br /> SANDY ELASTIC SILT, <40/ SA-SR, FN, PRLY GRDD SND; >60/ <br /> 65/10-10 FNS, M DRY STRNGTH; SLW DLTNCY, M I PLST; STIFF, DRK YLLV <br /> 14 SP/$M BRN; NPO, MST, N HCL REACTION, M CEMENTATION <br /> 3 <br /> 16 13 <br /> 18 <br /> 10-165/20 POORLY GRADED SAND, WITH SILT, >90/ SA-SR FN, PRLY GRDD SND; <10/ FNS; L DRY STRNGTH; N PLST; M DNSI M <br /> ' SP YLLW SRN; NPO; MST; N HCL REACTION; WEAK CEMENTATION <br /> 20 ---- <br /> 9 <br /> 22 13 SP <br /> 165/20-25 POORLY GRADED SAND; >95/ SA-SR FN, PRLY GRDD SND. <54 <br /> FNS; M DNS; OLIVE GRY; NPO, MST, N HCL REACTION; WEAK <br /> — 24 CEMENTATION <br /> 8 <br /> 26 17 <br /> _ 28 <br /> 30 MH 25-365/40 SANDY ELASTIC SILT; <40/ SA-SR, FN JPRLY GRDD SND, >60/ <br /> 9 L DRY STRNGTH SLW DLTNCY; L TGHNSS; M PLST; V STIFF, <br /> 32 16 DRK YLLW BRN, NPO, MST, N HCL REACTION; M CEMENTATION <br /> 34 <br /> 10 <br /> 36 12 <br /> 13 <br /> 38 365/40-40' SILTY SAND; >60/ SA-SR, FN, PRLY GRDD SND; <40/ FNS; L <br /> DRY STRNGTH; SLW DLTNCY, M TGHNSS;IL PLST, V STIFF; DR< <br /> SM YLLV BRN; NPO; MST; N HCL REACTION;I WEAK CEMENTATION, <br /> 40 MOTTLED <br /> lI 40-45' LEAN CLAY WITH SAND <3D/ SA-R. FN, PRLY GRDD SND; >70/ <br /> FNS; M DRY STRNGH; SLV DLTNCY] M TGHNSS; M PLST; V <br /> 42 15 CL MTIFOF; M BRN; NPO; HST; N HCL REACTION; M CEMENTATION, <br /> I <br /> PAGE 1 OF 2 <br />