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LOG OF EXPLORATORY BORING <br /> ' PROJECT NUMBER 706 BORING NO MW-4 <br /> (. PROJECT NAME 1012 W YOSEMITE MANTECA CA PAGE <br /> ' BY J L STEURER DATE 08\1B\92 SURFACE ELEV 29 FT <br /> PENETRA- LITHo- <br /> RECOVERY OVA <br /> d N W <br /> TION j w w W a ORAPHiC <br /> aESCRIPTIflN <br /> (FT/FT) <br /> (PPM) <br /> (SLOWS/FT) o I O (n COLUMN <br /> _ _ _ _ _ _ _ _ _ _ _ _ <br /> ' -ASPHALT T with aggregate base rock- _ <br /> SAND (SP) - reddish brown to greenish gray <br /> fine grained medium dense moist uniform <br /> texture micaceous no product odor <br /> 5 <br /> ' ] 5/1 5 I 16 <br /> 10 <br /> 1 1/1 5 1 SA <br /> 15 <br /> 1 5/1 5 4 35 <br /> SILTY CLAY (CLI - greenish brown stiff <br /> / moist low plasticity no product odor <br /> ' - T <br /> 20 SAND (SP) - bo <br /> rown medium grained wet no- W <br /> product odor <br /> 1 5/1 5 2 30 <br /> ' CLAYEY SILT (ML) - greenish brown moist <br /> low plasticity no product odor <br /> SAND (SPI - greenish brown very fine to <br /> 25 fine grained medium dense saturated <br /> uniform texture no product odor <br /> 1 5/1 5 1 zR <br /> rrBoring drilled to 30 feet sampled to 2t 5 <br /> ! feet <br /> r <br /> r <br /> t <br /> I 130 f, I I <br /> I I '1 � I , <br /> 1 5/9'5 0 I 24 <br /> REMARKS Borings drilled with Gontlnous-flight hollow stem <br /> B-inch 0 p augers Borings enlarged with 40-inch <br /> { <br /> 0 D au errs Sampled W/2 I D split spoon sampler <br /> I <br /> illi ' ' i� 1,I ' I ' I � I I � �I' I I � I � 'I { I�� II I II1 � I I ✓- l1 <br />