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go <br />CLIEtdT <br />SITE NUMBER <br />LOCATION <br />®HETI <br />ExxonAho6il Oil Corp. <br />99 -CAS <br />75 East Alpine Avenue <br />Stockton California <br />ENGINEERING <br />DRILLING AND Cleared to 5 teal bgs using a soil vacuum. Drilled using a holm stem <br />SAMPLING METHODS auger rig v4th &inch augers Sampled wish a sol spoon sampler <br />����// <br />LOG OF SOIL BORING: M Y 5 <br />WATER LEVEL <br />34.2 <br />32.98 <br />COORDINATES: N2180312.7 :E6331216.1 <br />START FINISH <br />TIME <br />0830 <br />TIME <br />1050 <br />ELEVATION TOP OF CASING: 15.15 <br />CASING BELOW SURFACE: 0.57 <br />TIME <br />1030 <br />1452 <br />DATE <br />2/26/07 <br />2/26107 <br />DATE <br />2126/07 <br />DATE <br />2/26107 <br />DRILLING COMPANY: Cascade <br />LICENSE NUMBER: C57-717510 <br />REFERENCE <br />GS <br />TOC <br />NCHEs <br />W <br />❑ <br />U <br />o: <br />°¢ <br />mW <br />"moo <br />w m <br />❑ =. <br />a <br />S <br />S o <br />e m <br />SURFACE CONDITIONS <br />Landscaping <br />DESCMPTION BY�� <br />Y. Mamlya and E. Appel <br />DETAILS <br />Single boll. water <br />light, Morrison well <br />box <br />SILTY CLAY WITH SAND - dark brown (t OYR <br />313), medium stiff to sU f, moist. <br />1 <br />• dark yellowish brown (I OYR 4/6) <br />SANDY CLAY WITH SOME GRAVEL - dark brown <br />(t OYR 313), stiff to medium stiff, low plasticity, <br />rounded gravel to 0 5Inches in diameter, moist - <br />4 <br />C <br />CLAYEY SAND - dark brown (10YR 313), very <br />dense, fine grained, moist. <br />SILTY CLAY, brown (10YR 413), hard, low <br />Cement grout from <br />eel <br />surface to 26 feet <br />bgs. <br />18 <br />18 <br />15 <br />:.9' ; <br />17 <br />506" <br />0 1 <br />r <br />plasticity, moist <br />CL <br />8 <br />1 <br />7 <br />27 <br />2 -inch diameter <br />1 <br />CLAYEY SAND - dark brown 10YR 313). dense to <br />( <br />very tlense, fine grained, slightly moist <br />Schedule 40 PVC <br />Riser Casing from <br />30 feet/ Grade to <br />30 feet bgs <br />43 <br />1 <br />B <br />e 18 <br />D <br />18 <br />tt <br />21 <br />`e <br />W <br />40 <br />1 <br />I <br />w <br />6 <br />Q <br />U <br />t <br />m <br />5 <br />t4 <br />1 <br />SILTY CLAY -dark brown (10YR 313), hard. low <br />plasticity, moist <br />0a t of 3 <br />m <br />os <br />CL <br />0 <br />go <br />