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-23?56 <br /> � m <br /> c <br /> TOP OF PVC CASING y tL L c- Equipment 8-1/2"Auged10"Auger <br /> Elevadon 3 Q E W m <br /> GROUND SURFACr m O a Elevation '�'� �` ' Date 8-8-91 <br /> TOP OF CASING at 4.5' 0 - <br /> below <br /> below ground surface DARK'(SR�\'I,42BROWN SILTY SAND(SM) <br /> 10'DIA BOREHOLE 10YR 4/2 loose,dry,60%very fine-grained sand, <br /> 0-33.0 ft 40%silt <br /> 4-DIA.SCHED.40 PVC <br /> BLANK CASING <br /> 4.5'to 7.0 it 5 <br /> 6 0 <br /> e-SACK CEMENT-SAND 4 <br /> SEAL 1.0 to 3.0 ft q <br /> BENTONITE PELLET SEAL — <br /> 3.0 to 5.0 it = DARK OLIVE-GRAY SILTY SAND(SM)5Y 3/2 <br /> loose,dry,80%very fine-grained sand,20°/silt <br /> "3 Sx20 SANDPACK 1 D <br /> 5.0 to 32.5 it — 4 3 <br /> 6 BLACK CLAY(CL)5Y 2.5/1 medium stiff,dry <br /> 4'DIA.SLOTTED SCREEN — 6 <br /> (0.020'slot size) <br /> 7.0 to 32.0 it — Q <br /> _ 4 p 15 wet to moist <br /> — 6 <br /> 11 <br /> 0 p 20 <br /> F' <br /> — 15 very stiff,wet, 10%silt <br /> 22 <br /> 7 0 25 BLACK SILTY SAND(SM)5Y 2.5/1 medium dense, <br /> 11 saturated,90%fine-grained sand, 10%silt <br /> 14 <br /> e 0 30 .:I.'.. <br /> 4'DIA. SCHED.40 PVC —[. to :.I.L. <br /> 20 <br /> BLANK SILT TRAP DARK GRAY CLAYEY SILT(ML)5Y 4/1 <br /> 32.0 to 32.5.0 It 4 15 very stiff,dry,30-00%clay <br /> p <br /> BOTTOM WELL CAP, 22 Bottom of boring at 33.0 it <br /> HOLE CLEANED OUT <br /> to 325 it <br /> 35 <br /> 40J oo,ss <br /> Harding Lawson Associate, PLATE <br /> — - Log of Boring and Well Completion MW-23 <br /> Engineering and <br /> - Environmental Services Shell Oil <br /> Stockton, California <br /> DRAWN JOB NUMBER APPROVED DATE REVISED DATE <br /> LZc 4D22,201.02 n. 8191 <br />