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' Subcontractor Geo Ewdroamental Drilling Log of Boring/Monitoring Well B9/ <br /> 7" HS 2400SK-1 �+YP4 <br /> DriIlitti Method Start Date 3-29-94 Start Time 305 Hours <br /> g 7" HSA Project Name Chapin Bros <br /> ' Pro)ect No N0014-001-01 <br /> Sampling Method 2 CMSS Ftmsh Date 3-29-94 Finish Time 440 Hours Project Location 1766 Moate Diablo <br /> Firat Water/Static Water Level (BGS) 20 0 It Logged By J CIaytOfl Page: 1 of I <br /> E a u Surface Elevation Casing Top Elevation <br /> o Boring Abando=tnt{ <br /> a U u o �w � R LITHOLOGIC DESCRIPTION x �o,tr�t��°°t°r's <br /> i..a .,, o m a U ; <br /> 1 <br /> 5 5a A.r (color soil type moisture consistency other) <br /> ' 0 <br /> BARE SOIL <br /> Backniied <br /> .nth <br /> FILL Rest <br /> Cement <br /> 4 <br /> 6 5- <br /> BLACK SILTY CLAY WITH DUST COLORED PATCHES <br /> 0 a 18/15 DAMP SOFT TO SLIGHTLY STIFF NO ODOR <br /> '4) <br /> 4 10 <br /> ' 7 ML LIGHT GRAY FINE SANDY SILT WITH ORANGE HROWN <br /> 0 18 18/18 SANDY MOTTLES DAMP SLIGHTLY STIFF NO ODOR <br /> 1 6I I I <br /> 6 15 I I I I I I LIGHT GRAYISH BROWN FINE SAND, DAMP TO MOST, <br /> 0 9 18/17 IIII'll LOOSE NO ODOR <br /> 15M f <br /> 2 <br /> �I <br /> 3 20 I j€�I 1 LIGHT MEDIUM GRAY FINE SAND WET VERY LOOSE <br /> 17 4 18/17 dill : NO ODOR <br /> BORING COMPLMD AT 220 BELOW GROUND SURFACE <br /> 25 GROUNDWATER ENCOUNTERED IN BORING AT 200 HELOW <br /> GROUND SURFACE <br /> i <br /> 30 <br /> 1 <br /> ' 35 <br /> ' 40 <br /> 45 <br /> 1 <br /> 50 <br /> � s E A c o R Reviewed by Rate <br /> Revised by Date <br />