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Subcontractor Geo Environmental Drilling Log of Boring/Monitoring Wel] B <br /> DnIhng Method CME55 8' HSA Start Date 12-27-93 Start Time 905 Hours project NamMe Chapin Bros 2 <br /> Project No N0014-001-01 <br /> Sampling Method 2" CMSS Finish Date 12-27-93 Finish Time 1045 Hours Project Location 1766 Monte Diablo I <br /> First Water/Static Water Level (BGS) 21 4/20 0 Logged By 3 Clayton Page I of 1 <br /> a d Surface Elevation 626 Casing Top Elevation 565 <br /> pa, ° ^" Bormg Abandonment/ <br /> me a .a well construction Details <br /> e v v ° w LITHOLOGIC DESCRIPTION <br /> o , yr uao Bc a 8 <br /> rn'o m 0a..5 �rarx d M.q ra q �� (color soil type moisture consistency other) <br /> 0 1 0 ASPHALTIC CONCRETE <br /> CL BROWN CLAY AND ROOTS <br /> Neat <br /> Cement <br /> 9 <br /> 16 5 ;SM/ML MEDIUM BROWN SILTY VERY FINE SAND TO SANDY SILT <br /> 0 21 18/12 " " DAMP, MEDIUM DENSE NO ODOR <br /> ips <br /> Bentonite <br /> I I 1 1 -i <br /> 7 <br /> 111111 <br /> 9 10 I I i LIGHT MEDIUM BROWN VERY FINE SAND WITH SOME SILT <br /> 0 11 18/12 ilil `I POORLY GRADED DAMP LOOSE NO ODOR <br /> 111111 <br /> I SM <br /> 8 I I I <br /> 15 <br /> 15 111111 LIGHT MEDIUM BROWN VERY FINE SAND WITH SILT POORLY <br /> 0 22 18/13 I � I �I � GRADED DAMP MEDIUM DENSE NO ODOR <br /> 111111 <br /> 111111 <br /> P 8 <br /> 111111 I <br /> 8 20 MEDIUM BROWN MEDIUM GRAINED SAND, POORLY GRADED <br /> 0 11 18/15 S MOIST TO WET LOOSE NO ODOR <br /> SP <br /> Sand <br /> i <br /> 225 <br /> 25 MEDIUM GRAY CLAY WITH SOME SILT DAMP VERY SOFT <br /> 0 4 18/18 NO ODOR (SLIGHT ORGANIC ODOR) <br /> 5 CL <br /> 9 30 LIGHT MEDIUM GRAY VERY FINE SANDY SILT CLAY, DAMP <br /> D 17 18/18 SOFT TO MEDIUM STIFF NO ODOR <br /> 9 <br /> 17 36 MEDIUM GRAY SILTY CLAY DAMP, MEDIUM STIFF NO ODOR 1 <br /> 0 19 18/12 <br /> Screened <br /> InteBORING COMPLETED AT 36 5 BELOW GROUND SURFACE 002cre1 <br /> 0 zo� <br /> GROUNDWATER ENCOUNTERED IN BORING AT 21 4 Slotted <br /> 40 BELOW GROUND SURFACE caging <br /> 45- <br /> 5 0 <br /> 55Q <br /> Reviewed by Date <br /> SEAC 0 R Revised by Date <br />