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Date StwVFinish: 1/6/09, 1/16/09 Northing:N/A V 3oring ID: SB-2 <br /> .r 'Drilling Company: Cascade Drilling,Inc. L Easting:N/A v <br /> Driller's Name: Angel Rocha Casing Elevation: N/A Client: Chevron Environmental Management <br /> Drilling Method: Sonic,Mud Rotary Company <br /> Sampling Method: California Split Spoon Sampler Borehole Depth: 150'bgs Location: Chevron Service Station 309075 <br /> Rig Type: Sonic Surface Elevation: N/A 3978 South Highway 99 <br /> Stockton,California <br /> Descriptions By: A.Brown/B.Gerard <br /> r <br /> d p- <br /> C <br /> z' a CD 1= Well/Boring <br /> `° <br /> CL <br /> O 5 Z v CO <br /> Stratigraphic Description Construction <br /> = Q N T > N U Cf <br /> l` > 0. d O = T O <br /> W —i m ca a) c a) <br /> 'r p W to to a Q C7 <br /> 0 0 <br /> �+ Airknifed/Hand augered to 8'5"bgs. <br /> 5 -5 <br /> v <br /> 1 10) 1.5 0.0 — Reddish brown SILT(ML),wet,no odor. <br /> 10 <br /> 10 -10- Reddish brown SILTY CLAY(CL),dry,no odor. <br /> V <br /> 15 -15 <br /> r <br /> 2 (18- 1.5 0.0 - Reddish brown SILT(ML),moist,no odor. <br /> 20 -20 20) <br /> 25 -25 <br /> Portland <br /> r <br /> Cement/Bentonite <br /> (0-150'bgs) <br /> 3 (2) <br /> 30) 1.5 0.1 _ Brown SILT(ML),little Clay,moist,no odor. <br /> 30 -30 <br /> r <br /> 35 -35 <br /> 4 (38-0) <br /> 40) 1.5 0.0 _ Brown SILT(ML),trace fine Sand,moist,no odor. <br /> 40 -40 <br /> d" <br /> 95 -45 <br /> r <br /> 5 (48- N/A 0.3 _ Brown SILT(ML),little Clay,trace fine Sand,moist,no odor. <br /> 50 -50 50) <br /> �1 <br /> Remarks: bgs=below ground surface;N/A=Not Applicable/Available. <br /> r <br /> 0 ARCADIS Notes: <br /> The 115 feet bgs sample was collected but not submitted due to the presence of gravel. <br /> The 130 feet bgs sample was collected but not submitted;bentonite was added from 125 <br /> Infrastructure,environment facilities feet bgs to 130 bgs due to soil slumping. <br /> ..r <br /> Project: 80046012.0001 Template:Design-Rotosonic.ldfx Page:1 of 3 <br /> r..r Data File:SB-2.dat Date:3/20/2009 K.Wynne <br />