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r LOG OF EXPLORATORY BORING _ <br /> ;PROJECT NUMBER: 20805-140.010 :WELL NO.: AS-1 <br /> PROJECT NAME: ARCO #548,Stockton PAGE: 3 of 4 <br /> BY: Pat Jim= DATE: 10/28/98 SURFACE ELEVATION: <br /> U <br /> FID PENETRA- BROUN13DEPTH w a� <br /> READING TION RECOVERY WATER IN d DESCRIPTION WELL <br /> (ppm) 1bI0NS/e") (tt/tt) LEVELS FEET N iU DETAIL <br /> tz <br /> 40 18 1.5/1.5 SILT (ML), dark grayish brown (10YR, 412); 95% fines; <br /> 38 5% sand; caliche pieces — 1/8" diameter; bluish gray <br /> 50 discoloration; wet; mild odor. <br /> 31 18 1.5/1.5 45 SANDY SILT (ML), very dark grayish brown (1CYR, <br /> 38 3/2)/; 70% fines; 30% fine sand: slight iron oxide <br /> 50 discoloration; wet; no odor. <br /> I <br /> 0 23 1.3/1.5 50 SAND (SW), gray 00YR, 511); 20% fine, 55% medium, 25% <br /> 33 coarse sand; wet; no odor. <br /> 50 <br /> 0 24 0.4/t5 55 SANDY SILT (ML), dark yellowish brown (10YR, 414); <br /> 80% fines; 20% fine sand; damp; no odor, <br /> 80 <br /> REMARKS <br /> EMCON <br /> t <br />