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SOIL BORING LOG Boring No B-39 Sheet 3 of 8 <br /> Client Arco Station 6100 Date 2/17/2004 <br /> Address 25775 Patterson Pass Road Drilling Company GreggDrilling rig type Mobile Dril!B-80 <br /> Tracy,CA Driller Chris <br /> O"Pj,ct No U6100 Method Mud Rotary hole diam 5" <br /> Logged By Scott Blttin er <br /> Sample Slow Sample well Depth Descriptions of Materials PID <br /> Construe LITHO <br /> Type mm No Count Time Recov t Scale COLUMN and Conditions PPM <br /> SILT 39 5'-44 grayish brown with green staining 1-2%fine grained <br /> -------------------------------------------------------- 4 f sand trace cla d <br /> 4 2 <br /> 4 3 <br /> 4 4 <br /> SP- SAND+mth SILT grayish broom fine grained 7-10%fines dry <br /> S 839-45 1.235 4 5 102 <br /> _ ML SILT(44 5-46) grayish brown trace clay dry <br /> 4 6 <br /> _ ML SANDY SILT 46-47 5' dark olive brown 30-40%fine grained sand,dry, <br /> 4 7 stiff <br /> ____________________________________________________ -------------______-_______--_- _--_-__- <br /> 4 8 <br /> 4 9 ML SILT grayish brown 1_2%°fine gained sand trace caliche dry very <br /> ----------------------------------------------------- -''-_"- -------- <br /> hard <br /> 5 0 <br /> 5 1 <br /> ML SILT grayish brown trace caliche dry,very hard <br /> ------------------------- -------- --------- s z <br /> S B39-53 1.400 5 a 88 <br /> 5 4 <br /> 5 5 <br /> 5 6 <br /> 5 7 ML oor recoverX 56'_fii' core recovered was SILT with<5%fine grained _ <br /> _ sand - ---' <br /> 5 e <br /> 5 9 <br /> 6 0 <br /> Comments <br />