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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER: 20805-140.010 WELL NO.: AS-1 <br /> PROJECT NAME: ARCO 1548, Stockton PAGE: 3 of 4 <br /> BY: Pat dimison DATE: 10/28/98 SURFACE ELEVATION: <br /> FID PENETRA-RECOVERYROUND DEPTH W a E <br /> READING TION WELL <br /> i t/ NATER IN o o DESCRIPTION DETAIL <br /> (ppm) (blows/8") LEVELS FEET N F <br /> J <br /> 40 18 SILT (ML), dark grayish brown (10YR, 4/2); 85% 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 (10YR, <br /> 36 3/2)/: 70% fines; 30% fine sand; slight iron oxide <br /> ' S0 discoloration: wet; no odor. <br /> 0 23 1.3/1.5 50 SAND (SW), gray (10YR, 5/1); 20% fine, 55% medium, 25% <br /> 33 coarse sand; wet; no odor. <br /> 50 •• . <br /> 0 24 0.4/1.5 55 SANDY SILT (ML), dark yellowish brown (10YR, 4/4); <br /> 50/5" 80% fines; 20% fine sand; damp; no odor. <br /> 1 <br /> 60 <br /> REMARKS <br /> EMCON <br />