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Number: <br /> GW-1 BOREHOLE LOG NO. 1 of 1 <br /> (typical) client: Industrial Property Sheet: <br /> Location: <br /> Date Started: Date Finished: 248 Industrial Avenue, Stockton, CA <br /> 3/19/2012 3/23/2012 95206 <br /> PEI Rep: Drill Rig/Sampling Method: Borehole Dia.: Casing Dia.: Casing Elevation <br /> Mark Slatten, RG/CEG Geoprobe 6600 2" NA (AMSL): 15' <br /> PID LOG(ppm) Well Construction BOREHOLE LOG <br /> Open core 3,core 2, core 1, Depth <br /> Bag q 6 g USCS Graphic Geologic Description <br /> Hole 7,11 , 5,9,13 In <br /> 10,12 Peet Symbol Log (Soil Type,Color,Grain,Minor Soil Component,Moisture,Density,Odor,Etc.) <br /> 0 SPUD,concrete cover 6-8"with 6"of gravel/sand base. <br /> 0 0 3 <br /> 0 48 - <br /> 6 — <br /> Soil 9 — <br /> sample — <br /> 1'-26',SILT,ranges from very dark gray(10YR3/1)to dark brown <br /> 6 111 (10YR3/3)to dark gray brown(10YR4/2)to yellow brown(10YR5/4) <br /> and oxidizes to dark brown(10YR3/3 to very dark gray(10YR4/2)to <br /> ML - yellow brown(10YR5/4)to reddish brown(10YR4/4);fine-grained, <br /> 363 on clayey to 20%,rootlets to 1/4"thick and caliche pervasive throughout <br /> - the section as blebs and stringers to 1/4"wide;rare"soft spots'where <br /> silt is wet,especially around 26 feet bgs;mostly stiff;massively- <br /> 18 - bedded,dry to damp;no odor. <br /> 218 - <br /> 21 — <br /> 24 <br /> 13.1 326Z 1 26 to 28',SAND,brown(10YR4/3)and oxidizes to reddish brown <br /> 27 (10YR4/4);medium-grained,clayey to 5%,well-graded;poorly sorted; <br /> 11.4 micaceous;massively-bedded,wet;no odor. <br /> 30 <br /> 0 41.4 <br /> 36 28'-50',SILT,ranges from very dark gray(10YR3/1)to dark brown <br /> (10YR3/3)to dark gray brown(10YR4/2)to yellow brown(10YR5/4) <br /> se ML ------ and oxidizes to dark brown(10YR3/3 to very dark gray(10YR4/2)to <br /> ------ yellow brown(10YR5/4)to reddish brown(10YR4/4);fine-grained, <br /> 0 75.6 -____= clayey to 20%,rootlets to 1/4"thick and caliche pervasive throughout <br /> the section as blebs and stringers to 1/4"wide;rare"soft spots"where <br /> 42 -____= silt is wet,especially around 26 feet bgs;mostly stiff;massively- <br /> bedded,dry to damp;no odor. <br /> 45 <br /> 0 35 4 as <br /> Soil <br /> 0 2,480 sample 50 <br /> TD=50 feet bgs <br />