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SOIL BORING LOG Boring No B-32 Sheet 4 of 10 <br /> Client Arco#6100 Date 8/24-08/25/00 <br /> 0 ss 25775 Patterson Pass Road Drilling Company Water Development Corporation rig type Dresser DW-70 <br /> Tracy CA Driller Kevin Lewis <br /> Project No D000-340-01 Method Air Rotary Casing Hammer hole diem 10" <br /> Logged By Scott Bittinger <br /> Sample Blow Sam le well Depth Descriptions of Materials PID <br /> Construc LITHO <br /> Tvpe I No Count Time Recov t Scale COLUMN and Conditions PPM <br /> 6 1 SM SAND fine grained 10-15%fines <br /> 6 2 SAND as above moist 5-10%fines <br /> 6 3 <br /> 6 4 <br /> 6 5 ----------------------- <br /> -------- <br /> ---- - - <br /> 6 6 <br /> 1750 6 7 SM SILTY SAND light brown 15.20%fines dry_______________ <br /> s a <br /> ss <br /> S B32.71 1819 7 0 SM SILTY SAND Iight brown 5_10%o fines at the contact the sandyr ----- <br /> ------- -- --------------------------- -------- — - ------------ - - <br /> _ soil above Is stained bright yellow with some of the soil bleached white 26 <br /> 7 1 <br /> 7 2 <br /> 905 7 3 ML SILT Il9ht brown <br /> 7 4 <br /> 7 5 ML SANDY SILT light brown 20%fine sand <br /> ----------------------------------------------------- -- --- - -- - ---- ------------ --- --- ----'-------------------------------------------- -------- <br /> 7 6 <br /> 7 7 <br /> 7 8 ML SANDY SILT 10%fine sand stiff <br /> 7 9 <br /> 915 8 0 ML SANDY SILT li ht brown 30%fine sand moist <br /> Field Location of Bonng Comments Reviewed By <br /> Add 20 rod at 68' <br /> Drilled to 71 on 08124100 resumed drilling on 08/25/00 <br />