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Subcontractor Geo Environmental Drilling Log of Boring/Monitoring Well B <br /> VVI <br /> Drilling Method CME55 8 HSA Start Date 12--28-93 Start Time 300 Hours Project Name Chapin Bros <br /> Project No N0014-001-01 <br /> Sampling Method 2 CMSS Finish Date 12-28-93 Finish Time 400 Hours Project Location 1766 Monte Diablo <br /> First Water/Static Water Level (BGS) 23 0/ Logged By 3 Clayton Page i of 1 <br /> ySurface Elevation 6 71 Casing Tap Elevation 6 07 <br /> y U '-t d o Benng Abandonment/ <br /> ti m a o P. y u aLITHOLOGIC DESCRIPTION Well Construction Details <br /> o.Ui F.' <br /> o ' >. U v U <br /> n o ° Q a (color soil type moisture consistency other) <br /> O 2 0 ASPHALTIC CONCRETE <br /> BROWN CLAYEY SILT <br /> Neat <br /> Cement <br /> °6°6 6a 6 Bentanit@ <br /> 5- <br /> MODERATE ODOR OF PETROLEUM HYDROCARBONS e00o 0666 Chips <br /> GRAY CLAYEY SILT NO SAMPLE 8a8o <br /> P6P6 6666 <br /> ML STRONG ODOR OF PETROLEUM HYDROCARBONS ° P26° <br /> 2P62D 6'.15 <br /> 10 GRAY SILT WITH CLAY NO SAMPLE oo6g6.162 <br /> 6666 %oo <br /> 2°0° D°ate <br /> STRONG ODOR OF PETROLEUM HYDROCARBONS 6�6g0 Pee <br /> BROWN SILT WITH CLAY NO SAMPLE 6666 .1°6° Gravel <br /> l s D6D6 6060 <br /> 2°°° 6666 <br /> VI:-0 <br /> 6666 <br /> 4 20006 D D <br /> g GRAY FINE GRAINED SAND, POORLY GRADED MOIST LOOSE °66 6g60 <br /> 381 13 18/18 MODERATE ODOR <br /> SrT] <br /> 6666 66°6 <br /> I °D°D PP°D <br /> o°D° DD°o <br /> 25 NO SAMPLE 6666 S 96 <br /> 66°60°O°OOD6D <br /> BORING COMPLETED AT 26 O BELOW GROUND SURFACE <br /> Screened <br /> GROUNDWATER ENCOUNTERED IN BORING AT 23 0 Interval <br /> BELOW GROUND SURFACE old' <br /> 30 slotted <br /> Casing <br /> 40- <br /> 45- <br /> 50 <br /> 04550 <br /> S E A C O R Reviewed by Date <br /> Revised by Date <br />