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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER: 20805-140.010 WELL NO.: AS-2 <br /> PROJECT NAME: ARCO #548, Stockton PAGE: 1 of 4 <br /> BY: Pat JIM13on DATE: 10/27/88 SURFACE ELEVATION: <br /> U <br /> FID PENETRA-RECOVERY ROUND DEPTH a <br /> READING TION WATER INa DESCRIPTION WELL <br /> (ppm) (btows7r) fft/fk) LEVELS FEET DETAIL <br /> J <br /> 0-6": ASPHALT <br /> ' 6" - approx. 3': FILL <br /> ' 0 6 0.5/1.5 5 SANDY SILT (ML), dark brown {7.5YR, 3/2); 70% fines; <br /> 7 30% fine sand; damp; no odor. <br /> ' 7 <br /> 100 4 1.3/1.5 10 SAND (SP), black (7.5YR, 3/2); 90% medium grained, <br /> 4 10% coarse grained sand; damp; moderate to strong <br /> 4 odor. <br /> ' 4500 8 1.4/1,5 15 SANDY SILT (ML), brown (10YR, 5/3); 90% fines; 10% <br /> 10 fine sand; bluish discoloration; damp; strong odor. <br /> 15 <br /> 1' <br /> SAND (SP) <br /> 20 . <br /> REMARKS <br /> EMCON <br /> 1 <br />