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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER: 20805-140.010 WELL NO.: AS-1 <br /> PROJECT NAME: ARCO #548,Stockton PAGE: 2 of 4 <br /> BY: Pet Jimison DATE: 10/26/98 SURFACE ELEVATION: <br /> FID PENETRA- ROUND DEPTH w a <br /> READING TION RECOVERY NATER IN C WELL <br /> (PPM) (blows/8"} lit/111 LEVELS FEET ¢ o o DESCRIPTION DETAIL <br /> J <br /> 0 SAND (SP), dark yellowish brown (10YR, 4/6); 5% fines; <br /> 8 95% fine grained sand; slightly damp. <br /> 18 9 1.2/1.5 25 SANDY SILT (ML), very dark gray (10YR, 3/1); 80% <br /> 18 fines; 20% fine grained sand; bluish gray discoloration; <br /> 50 damp; no odor. <br /> 150 12 1.4/1.5 30 SANDY SILT (ML), yellowish brown (10YR, 5/4); 60% <br /> IS fines; 40% fine sand; partially cemented irregular <br /> 26 caliche pieces 1/8-1/2" diameter; slightly damp: strong <br /> odor. <br /> w12e�e° U T W = 34.45'. <br /> 80 20 1.5/1.5 35 SILT (ML), dark grayish brown (10YR, 4/2). 90% fines; <br /> 30 10% fine sand; irregular caliche pieces 1/8-1/2" <br /> 35 diameter: wet; moderate to strong odor. <br /> 40 <br /> ' REMARKS <br /> a <br /> EMCON <br />