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Subcontractor Geo Environmental Drilling Log of Bormg/Monitoring Well $9p/ <br /> Drilling Method SIMCO 2400SK-1 Start Date 3-29-94 Start Time 305 Hours W+ 4 <br /> 7" NSA Project Name Chapin Bros <br /> Project No N0014-001-01 <br /> Sampling Method 2 CMSS Finish Date 3-29-94 Finish Time 440 Hours Project Location 1766 Monte Diablo <br /> First Water/Static Water Level (BGS) 20 0 ft Logged By J Clayton Page I of 1 <br /> E a Surface Elevation Casing Top Elevation <br /> a; t° I Boring Abandonment/ <br /> 0 0.� 1w .0 LITHOLOGIC DESCRIPTION Pell Constnect�on DetaUa <br /> u m (color soil type moisture consistency other) <br /> v�o mw� 5oa: vim nar ern <br /> 0- <br /> BARE SOIL <br /> Bac]Cilled <br /> ,nth <br /> Neat <br /> FILL Cemeal <br /> 4 g <br /> 6 BLACK SILTY CLAY WITH RUST COLORED PATCHES <br /> 0 8 18/15 DAMP SOFT TO SLIGHTLY STIFF NO ODOR <br /> 4 10 <br /> 7 ML LIGHT GRAY FINE SANDY SILT, WITH ORANGE BROWN <br /> 0 18 18/18 SANDY MOTTLES DAMP SLIGHTLY STIFF NO ODOR <br /> 6 15 111111 <br /> 6 1 1 1 1 1 1 LIGHT GRAYISH BROWN FINE SAND DAMP TO MOIST <br /> 0 9 18/17 � lil � l LOOSE NO ODOR <br /> I SM <br /> I <br /> 2111111 <br /> 3 20 � I �I1I <br /> LIGHT MEDIUM GRAY FINE SAND WET VERY LOOSE <br /> 17 4 18/17 I � lili NO ODOR <br /> BORING COMPLETED AT 220 BELOW GROUND SURFACE <br /> 25 GROUNDWATER ENCOUNTERED IN BORING AT 20 0 BELOW <br /> GROUND SURFACE <br /> 30 <br /> 35 <br /> 40 <br /> 45 <br /> 1 1 <br /> 50 <br /> Reviewed by pate <br /> S E A C O R <br /> Revised by Date <br />