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Subcontractor Geo Environmental Drilling Log of Boring/Monitoring Well �B�T71�J/ <br /> Dulling Method SIMCO 2400SK-1 Start I]ate 3-30-94 Start Time 410 Hours rr r 8 <br /> 7 HSA Project Name Chapin Bros <br /> Project No N0014-001-01 <br /> Sampling Method 2 CMSS Finish Date 3-30-94 Finish Time 505 Hours Project Location 1766 Monte Diablo <br /> First Water/Static Water Level (BGS) 20 1 It Logged By J Clayton Page 1 of 1 <br /> E Surface Elevation Casing Top Elevation <br /> a _ <br /> y �iss u o Bon Abandonment <br /> p'v °} q > �'� u rn'Q Well C nstruction Details <br /> o e, = ' o a� LITHOLOGIC DESCRIPTION <br /> Bio ma am - A (color soil type moisture consistency other) <br /> 0 - - HARE SOIL <br /> SC LIGHT BROWN FINE SAND WITH SOME SILT <br /> with ❑ied <br /> Neat <br /> T 49 Cement <br /> 5 <br /> 5 5 ML\CL GRAYISH MEDIUM BROWN CLAYEY SILT TO SILTY CLAY <br /> 0 8 18/16 WITH TRACE FINE SAND DAMP SOFT TO SLIGHTLY <br /> STIFF, NO ODOR <br /> 1111 M . <br /> 4 <br /> 5 10 ; ,`; ; ; ; ; LIGHT GRAYISH BROWN SILTY VERY FINE SAND TO VERY <br /> 0 6 18/18 ; ; ; ; ; ; ; FINE SANDY SILT WITH CLAY DAMP, SOFT NO ODOR <br /> SM/ML <br /> 3 15 <br /> 4 GRAYISH LIGHT BROWN SILTY VERY FINE SAND TO VERY <br /> 0 4 18/18 ; ; ; ; ; ; ; FINE SANDY SILT WITH CLAY DAMP TO MOIST VERY <br /> SOFT NO ODOR <br /> 5 20 � <br /> 0 5 18/18 5P GRAYISH LIGHT BROWN FINE SAND WET VERY LOOSE <br /> NO I <br /> 25 <br /> BORING COMPLETED AT 215 BELOW GROUND SURFACE <br /> GROUNDWATER ENCOUNTERED IN BORING AT 20 1 BELOW <br /> GROUND SURFACE <br /> 30 <br /> 35 <br /> 40 <br /> 45 <br /> 50 <br /> OR <br /> Reviewed by Date <br /> ARevised by Date <br />