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SOIL BORING LOG Boring No B-37 Sheet 5 of 7 <br /> Client Arco#6100 Date 9/6/01 <br /> Ass 25775 Patterson Pass Road Drilling Company Western Strata Exploration -- rig type Mobile Drill B-61 <br /> Tracy CA Driller Gordon Jensen <br /> Protect No D000-340-01 Method Mud Rotary hole dram 5 5' <br /> Logged By Scott Bittin er <br /> Sample Blow Sample well Depth Descriptions of Materials PID <br /> T Construc LITHO e No Count Time Recov t Scale COLUMN and Conditions PPM <br /> M SILTY SAND 80'-81 5',light brown 30-40%fines,damp 121 <br /> --------- 8 1 <br /> ----------------------------------- ------------------ - <br /> a 2 CEMENTED SILT with SAND dry very hard -^ -------- ----------------------------------- <br /> — ---------------------------------------- <br /> 8 3 <br /> _ Driller removed sampler at 82' Dnlled 82 to 85 without sampling <br /> 8 4 <br /> a 5 <br /> SANDSTONE <br /> S -B37.86 1235 8 6 SILTY SAND light brown 15%fines,damp <br /> 40% 8 7 <br /> a 8 ML SILT Ilht brown;5%fine gained sand,moist-- <br /> __________ e s SILTY SAND Ught brown_70%very-fine-gained sand 30%fines moist <br /> 9 0 <br /> s 1 ML SILT grained ----- <br /> ---------------------------------------------------- — --------light- brown with blackmancianese3.4%fine sandmoist----------------- <br /> A----------------------------------------------- 9 2 <br /> 9 3 <br /> s 4 SILT as above with caliche 94-95 94 <br /> 9 5 <br /> 9 6 <br /> s <br /> ------------------------------------------------------ — 7 ML SILT li ht brawn with black man anese moist <br /> @ 8 <br /> 9 9 <br /> -- -- -- --- ----- --------- -- --- <br /> t---------------------- -------- <br /> - ML SANDY 51LT light brown 25-35%fine grained sand moist <br /> S B37-100 13 00 100 28 <br /> Comments <br /> i <br />