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Subcontractor Geo Environmental Drilling <br /> Log of Hoang/Monitoring Well B 1 Q <br /> Drilling Method SIMCO 2400SK-1 Start Date 3-30-94 Starl Time 805 Hours WP5 <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 1020 Hours Project Location 1766 Monte Diablo <br /> First Water/Static Water Level (BGS) 21 1 ft Logged By J Clayton Page 1 of 1 <br /> +n <br /> E o V Surface ElevationCasing Top Elevation <br /> a o5 <br /> 4. U I y�a~i a? u O Bcnng Abandonment/ <br /> :� ; ' a�o <br /> LITHOLOGIC DESCRIPTION Well constriction Detail <br /> p e c °q a c v 5 (color soil type moisture consistency other) <br /> O BARE SOIL <br /> Backfilled <br /> MEDIUM BROWN CLAYEY SILT DAMP with <br /> Neat <br /> Cement <br /> 6 5 <br /> 7 <br /> 65 8 18/18 LIGHT BROWN FINE SANDY SILT DAMP SOFT NO ODOR <br /> 1010 ML <br /> 13 LIGHT MEDIUM BROWN SILT WITH CLAY AND TRACE VERY <br /> 1 22 18/18 FINE SAND WITH FEW LIGHT GRAY PATCHES DAMP VERY <br /> STIFF NO ODOR <br /> 10 15 <br /> 13 LIGHT MEDIUM BROWNISH GRAY SILT WITH CLAY AND <br /> 153 14 18/18 SOME VERY FINE SAND DAMP STIFF SLIGHT TO <br /> MODERATE ODOR <br /> 7 20 II 1 <br /> g I I I I MEDIUM BROWN SILTY FINE SAND WET LOOSE NONE <br /> 3 l i 18/18 I gM I TO SLIGHT ODOR <br /> Ilil11 <br /> 25 <br /> BORING COMPLETED AT 23 0 BELOW GROUND SURFACE <br /> GROUNDWATER ENCOUNTERED IN BORING AT 211 BELOW <br /> GROUND SURFACE <br /> 30 <br /> 35 <br /> 40 <br /> 45 <br /> 50 <br /> Reviewed by Date <br /> S E A C O R <br /> Revised by Date <br />