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i <br /> WATERWORK <br /> WELL/BORING LOG <br /> PROJECT CHEVRON STOCKTON LOCATION 540 NORTH AURORA WAY STOCKTON PROJECT NO 376 <br /> WELL/BORING NO MV3 SURFACE ELEVATION — NA FT WELLHEAD ELEVATION NA FT <br /> DATE DRILLED 05/0I/91 REVIEWED BY NORA H KAFAGKA RCE 038322 LOGGED BY KRYS HARDMAN <br /> DRILLING COMPANY SPECTRUM EXPLORATION DRILLER TED COFFEY METHOD HOLLOW STEM AUGER <br /> BORE HOLE DIAMETER a fN DEPTH DRILLED 17 FT DEPTH TO WATER INITIAL 61.5 FT STATIC 625 FT <br /> CASING TYPE PVC F400 DIAMETER 2 IN SCHEDULE _ 40 INTERVAL 0 -I3 T13 52 FT <br /> SCREEN TYPE PISZ480 DIAMETER 2.IN. SLOT SIZE 0010_IN INTERVAL 5a FT TO 77 FT <br /> FILTER PACK TYPE 82/12 5IL[CA SANG .____ INTERVAL 56 _ T TO 77-----U <br /> SURFACE SEAL TYPE NEAT CEMENT OVER 2 EEHTONITE PLUG INTERVAL 0 Fl TO54 rT <br /> NOTES <br /> YELL DEPTH PID AMPLE ID US G. SOIL DESCR1P11ON <br /> DETAIL (ET) (PPM) OVCOUNT LOG <br /> O 0-3• ASPHALT <br /> FILL <br /> FILL <br /> 4 CL <br /> 2 2-5 SANDY LEAN CLAY; <35/ SA-SR, FN, PRLY GRDD SND1 >654 <br /> FNS, M DRY STRNGTK SLV DLTNCY) M PLST; STIFFS DRK <br /> 6 9 MH YLLV BRW hPp; NST; N HCL REACTION VEAK CEMENTATION <br /> 5-65 [0 <br /> S SANDY ELASTIC SILT; <407 SA-SR. FN PRLY GRDD SND >60/ <br /> Mrl FNS; M DRY STRNGTW SLV DLTNCY M PLST; V STIFF; DRK <br /> 10 YLLW BRW NPO; MST; N HCL REACTION M CEMLNTATIDN <br /> Il <br /> I2 16 SANDY ELASTIC SILT, 141W SA-SR FN PRLY GRDD SND; >60/ <br /> 65/10-10 FNS; M DRY STRNGTW SLV DLTNCY; M PLST; STIFFi DRK YLLV <br /> 14 SP/SM BRW NPD; MSTi N HCL REACTION M CEMENTATION <br /> 3 <br /> 16 13 <br /> 10-165/20 PGORLY GRADED SAND; WITH SILT )90/ SA-SR, FN, PRLY <br /> IB GRDD SND; CIO/ FNS; L DRY STRNGTH, N PLST; M DNSi H <br /> /sp <br /> YLLW BRW NPO, MST N HCL REACTION WEAK CEMENTATION <br /> 20 9 ---- <br /> Il <br /> 22 f3 SP 165/20-25 POORLY GRADED SAND >95/ SA-SR, FN PRLY GRDD SND (5/ <br /> FNS; M DNS; OLIVE GRY; NPD; MST; N HCL REACTION; VEAK <br /> 2 4 CEMENTATION <br /> e <br /> 26 17 <br /> 28 <br /> 3o MH 25-365/40 SANDY ELASTIC SILT, <40/ SA-SR FN PRLY GRDD SND; >60/ <br /> 9 L DRY STRNGTW SLV DLTNC•; L TGHNSS; N PLST, V ST1FF; <br /> 32 16 DRK YLLW BRN, NPO, MST, N HCL REACTION M CEMENTATION <br /> 34 <br /> IO <br /> 36 Iz <br /> l3 <br /> 365/40-40 SILTY SAND; )60/ SA-SR FN, PRLY GRDD SND) (40/ FNS; L <br /> 38 <br /> DRY STRYGTW SLW DLTNCY M TGHNSS; L PLST; V STIFF 0RK <br /> SM YLLW BRI; NPM MST; N HCL REACTION WEAK CEMENTATION, <br /> MOTTLED <br /> 40 40-45 LEAN CLAY WITH SAND 00/ SA-R FI, PRLY GRDD SND, >70! <br /> 11 FNS; N DRY 111111111, SLV DLTNCY; M TGHNSS; M PLST, V <br /> IS STIFF; M BRN NPO; MSTi N HCL REACTION M CEMENTATION <br /> 42 CL HDMn <br /> 7 � <br /> PAGE± OF 2 <br />