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1 <br /> Subcontractor Geo Environzaental Drilling <br /> Log of Boring/Monitoring Weli B7�17 1 <br /> SIMCO 2400SK-1 rYP6 <br /> Drilling Method /1 HSA Start Date 3-30-94 Start Time 1040 Hours Prosect Name Chapin Bios <br /> Prosect No N0014-001-01 <br /> Sampling Method 2" CRSS Finish Date 3-30-94 Finish Time 1I35 Hours Prosect Location 1766 Monte DiabLo <br /> First Water/Static Water Level (BGS) 20 9 It Logged 8y 7 Clayton Page 1 of 1 <br /> Surface Elevation Casing ?op Elevation <br /> a <br /> EanaB AUandeamoat/ <br /> #�v a LITHOLOGIC DESCRIPTION rCCaoatruaitoa <br /> any oa q (calor, sola type moisture consistency other) <br /> ' 0 2" ASPHALTIC CONCRETE + 4" BASE ROCK <br /> CL BaddIlied <br /> MEDIUM GRAY SILTY CLAY DAMP , to <br /> float <br /> 7 <br /> 5- <br /> ML GRAYISH MEDIUM BROWN FINE SANDY SILT TO SILTY FINE <br /> 0 9 18/13 SAND, DAMP LOOSE TO SLIGHTLY DENSE NO ODOR <br /> 7 ! I 1 <br /> 9 10 1 I i MEDIUM BROWN FINE SAND WITH SOME SILT DAMP LOOSE <br /> 7 11 18/18 !1[[ I 1 TO SLIGHTLY DENSE, NO ODOR <br /> 1 SM € <br /> 7 <br /> ' <br /> 9 SLIGHTLY GRAYISH MEDIUM BROWN FINE SAND DAMP TO <br /> 0 13 18/18 [ I I MOIST LOOSE TO SLIGHTLY DENSE VERY SLIGHT ODOR <br /> I I € <br /> 1 <br /> 4 <br /> 5 20 ML MEDIUM GRAY SILT WITH SOME CLAY AND TRACE VERY <br /> r <br /> 2 8 18/18 FINE SAND WET SOFT NO ODOR <br /> ' <br /> 125 <br /> $ORING COMPLETED AT 225 BELOW GROUND SURFACE <br /> GROUNDWATER ENCOUNTERED IN BORING AT 20 9 BELOW <br /> GROUND SURFACE <br /> L 3Q <br /> 1 <br /> 35 <br /> 4D <br /> 45 <br /> 50 <br /> OR <br /> Reviewed by Date <br /> SEACRevised by Date <br /> f <br />