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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER: 20805-140.010 WELL NO.: AS-1 <br /> r <br /> PROJECT NAME: ARCO #548, Stockton PAGE: I of 4 <br /> BY: Pat JiMI30n DATE: 30/28/98 SURFACE ELEVATION: <br /> FID PENETRA-RECOVERY ROUND DEPTH J a <br /> READING TION WATER IN a �� DESCRIPTION WELL <br /> (ppm) (blows/8") 1ft/ft) LEVELS FEET i� DETAIL <br /> rJ <br /> C-6": ASPHALT " " <br /> 6"-1': FILL, SILTY (ML) CLAY (CL), black (7.5YR, 2/0); <br /> 100% fines. <br /> La 3': hit broken hardpan, brown (10YR, 5/3). <br /> I <br /> r0 10 1.3/1.5 5 SILT (ML), brown (10YR, 5/3); 100% fines; iron oxide <br /> 30 stain 30%; slightly damp. <br /> r 49 <br /> ' 0 4 1.4/1.5 10 SILTY SAND (SM), brown (10YR, 5/3); 50% fines; 50% <br /> 15 fine grained sand; slightly damp. <br /> 15 <br /> r <br /> r <br /> 0 8 1.3/1.5 15 SANDY SILT (ML), dark grayish brown (2.5YR, 4/2); <br /> 34 80% fines; 20% fine grained sand; slightly damp. <br /> 50 <br /> 1 <br /> SAND (SP), described on next page. — <br /> rl 20 <br /> AL <br /> REMARKS . <br /> EMCON <br /> rr <br />