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�- - �— - — -- -- ENGINEERING—SCIENCE— <br /> C.W.,aw spec ev DRILLING RECORD BORING B-4 <br /> Deader Ves t.— wd <br /> Ia.p.ow LS.poel.ea PROJECT NAME Stockton CA Sheet 1 of 2 <br /> ' Rt&T*c AaerV PROJECT'NUMBER SY356 05 Loeation South of the former tank pit <br /> Dns.. Melba:-.2Y HSA 55 aionlk the canopy ed <br /> ge <br /> GROUNDWATIM o&SERVAMONS - - <br /> Wxee Weather Overcast 50a rain ! <br /> [.evc1 <br /> Date Date/rime Stan Jan 21 1943 11230 Tank Pit 1 Terminal <br /> mem ! <br /> Meas, pate/Time Pmuh Jan 21 1993 !1355 ! <br /> Peas B-4• <br /> hetoeae Sample Sample percept stir FIELD IDENTERICATION OF[MATERIAL W®l. OONIIffirm <br /> Radia _LD. Dr R S3 _ VATIC ' <br /> Concrete I ft <br /> 2 <br /> ' 0 4 100 4,8 brown CLAY and SAND CL-SC <br /> 12 dry <br /> 6 Grans <br /> 8 <br /> 0 100 7,16 <br /> 10 23 <br /> 12 <br /> ' 0 14 75 9,20 light brown CLAY and SAND <br /> 22 dry <br /> 16 <br />�� la <br /> 0 75 10,11 <br /> ' 20 13 damp <br /> 22 <br /> 23 ft <br /> ') 0 24 75 9,10 grey/green SILT,some sand <br /> 11 damp ML <br /> 26 <br /> 0 70 7,17 greylbrown SILT,little sand Grout <br /> 30 21 damp (Q-46) <br /> ' 32 <br /> 34 34 ft <br /> 0 100 10,30 grey medium SAND,little grey silt <br /> 36 38 dry SM <br /> 38 <br /> 37 TPH 70 1 10,201 <br /> SUMMARY 0-1'concrete, 1-23'CLAY and SAND, 23-34'SILT,little sand <br /> 34-46'SAND,little silt <br /> Boring terminated at 46 0 feet <br /> ' 30—Mar-93/JSP <br /> a � <br />