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LOG OF BORING NP-2 <br /> • ARCADiS (Pagel of 4) <br /> GERAGHTY&MILLER <br /> Unocal Site#0187 Date Completed January 8,1999 Drill Rig <br /> 437 E Miner Avenue Logged By Rheinhard Rumke Driller Van <br /> Stockton,California Checked By Stephen Cullen Diameter 8 25 inches <br /> Drilling Company Woodward Drilling Backfill Material Ca ( b nate Grout <br /> Maduraure(595%'o bantonde) <br /> SB000070 0004 Drilling Method Hollow-stem Auger <br /> Weill NP2-22(upper) <br /> Well2 NP2-60(middle) <br /> m Wella NP3-116(lower) <br /> m z Elev 1155 <br /> Inth �' Q a PID• u' o- DESCRIPTION REMARKS <br /> E m (Ppm) <br /> Feet Lab No Eii4 'm C�7 <br /> Cover <br /> 0 AC concrete sidewalk 5 thick surface <br /> Casing <br /> 5 No sample <br /> taken at ' <br /> S-Concrete In <br /> borehole — - Cementl <br /> = Bentonde <br /> Grout <br /> 10 ----------------------- <br /> 1 1 schedule <br /> i2 U1 5 0 FINE SAND,trace silt,dark brown, 40 PVC <br /> ® <br /> 12 dry,loose <br /> 1"schedule <br /> 40 PVC <br /> 15 10 ® ML SILT,some clay,brown,slightly <br /> 199 <br /> 1 1 5 0 moist,soft,weak cementation <br /> Bentonite <br /> Pellets(3/8") <br /> -------------------------- <br /> 20 112 2 ® 15 0 SILTY SAND,brown,slightly moist, <br /> 20 soft <br /> SM <br /> 1"schedule <br /> 40 PVC <br /> 25 10 ----- ------------------ <br /> E 16 ® 15 0 FINE SAND, trace sift,yellowish Sand Pack <br /> 21 brown,slightiy moist,loose <br /> M <br /> 1"schedule 40 <br /> � <br /> Bi 30 PVC screen ML SILT,some fine sand,wet inclusions, Simulprobe- 01 slot <br /> ® <br /> is 0 brown,slightly moist dry <br /> 9 <br /> m <br /> i <br /> 35 <br />