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Subcontractor Geo Environmental Drilling Log of Boring/Monitoring Well B6/ <br /> � 1 <br /> Drilling Method SIMCO 2400SK--1 Start Date 3-29-94 Start Time 843 Hours T' r 1 <br /> 7 HSA Project Name Chapin Bros <br /> Project No N0014-001-01 <br /> Sampling Method 2 CMSS Finish Date 3-29-94 Finish Time 942 Hours project Location 1768 Monte Diablo <br /> First Water/Static Water Level (BGS) 217 ft Logged By d Clayton Page 1 of 1 <br /> Surface Elevation Casing Top Elevation <br /> o-+ <br /> au U cD k Bonne Abandonment/ <br /> F� a� s LITHOLOGIC DESCRIPTION <br /> Well Construction Details <br /> p m a ar A p C &13p Q V3 (color soil type moisture consistency other) <br /> 0 BARE SOIL <br /> MEDIUM BROWN CLAYEY SILT DRY NO ODOR BackitUad <br /> nth <br /> Neat <br /> Cement <br /> 8 5 <br /> 7 LIGHT BROWN SILT WITH CLAY AND TRACE VERY FINE <br /> 16 9 18/18 SAND DRY SOFT NO ODOR <br /> 8 10 <br /> 15 <br /> 15 19 18/18 LIGHT BROWN CLAYEY SILT, DRY, HARD, NO ODOR <br /> ML <br /> 6 15 <br /> 10 LIGHT GRAY SILT WITH VERY FINE SAND AND TRACE CLAY <br /> 364 20 18/16 DAMP HARD MODERATE ODOR <br /> 5 <br /> 5 20 MEDIUM CRAY VERY FINE SANDY SILT WITH TRACE CLAY <br /> 1489 B 18/18 MOIST TO WET SOFT MODERATE ODOR <br /> 25 <br /> BORING COMPLETED AT 265 BELOW GROUND SURFACE <br /> GROUNDWATER ENCOUNTERED IN BORING AT 217 BELOW <br /> GROUND SURFACE <br /> 30 <br /> 35 <br /> 40 <br /> 45 <br /> 50 <br /> S L�j'^�� �T11�11� Reviewed by Date <br /> Revised by Date <br />