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Acton • Mickelson • van Dam, Inc. <br />Consulting Scientists, Engineers, and Geologists <br />Log of Soil Boring SB -2 <br />Project Number 19042 03 Dnllrng Time Date <br />Start 1700 9-27-94 <br />Location Former Beacon Station #610 Finisn 1800 9-27-94 <br />3300 Waterloo Road <br />Stockton, California <br />Drilling Company Mitchell Drilling Environmental <br />Drilled By Eddie Machell Completion Depth 60 Feet <br />Drilling Method CME 75 High Torque, 8' a D HSA Logged By S LIATY <br />Sampling Method California Modi tied Split Spoon Checked By <br />Fitted With 2'x6 Brass Sample Sleeves <br />z � <br />L, Y O O <br />d a} _� � <br />WELL � i§ w <br />w =z OESCAIPTION cc <br />o ONSTAUCTIO COMMENTS <br />L'Jm � 2 4n <br />42 <br />55 Becomes coarse-grained with some 50 12 12 582-11 <br />/6 <br />gravel at 55 feet <br />. 60 Total Depth = 60 feet , er <br />56 �6 $ ats ft Hated�582�_l <br />Page 2 Of 2 <br />Outside Conductor Casing UST <br />basin backfill - assumed to be pea <br />gravel Inside Conductor Casing <br />�_-_- ML <br />Empty space <br />--_-_ <br />--- <br />f4 <br />35 <br />SILT, Dark grayish brown (10 YR <br />___— = <br />17 18 18 <br />S82 -r <br />4/2), damp to most <br />— <br />27 <br />SILTY SAND, Dark grayish brawn <br />— SMI — <br />19 <br />12 12 <br />582-a <br />40 <br />(10 YR 4/2), damp, fine-grained <br />— _ — <br />/6 <br />/6 <br />454 <br />SAND, Yellowish brown (10 YR 5/6), <br />SP <br />18 17 17 <br />50 <br />Boma o60fefeet S82-9 <br />with bentonte cws <br />damp, fine -to -medium -grained <br />/5 <br />42 <br />55 Becomes coarse-grained with some 50 12 12 582-11 <br />/6 <br />gravel at 55 feet <br />. 60 Total Depth = 60 feet , er <br />56 �6 $ ats ft Hated�582�_l <br />Page 2 Of 2 <br />