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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER: 20805-140.010 WELL NO.: A5-2 <br /> PROJECT NAME: ARCO #548,Stockton PAGE: 2 of 4 <br /> BY: Pat JIM13on DATE: 10/27/98 SURFACE ELEVATION: <br /> 1 .. <br /> ar <br /> FID PENETRA- GROUND DEPTH a <br /> READING TION RECOVERYWATER IN a DESCRIPTION WELL <br /> (ppm) (b4ows/8") (St/St) LEVELS FEET a o P DETAIL <br /> J <br /> 50 12 1.211.5 SAND (SP), yellowish brawn (10YR, 5/6); 10% fines: 90% <br /> ' 18 fine sand; damp; strong odor. <br /> 20 <br /> 900 12 1.5/1.5 25 SANDY SILT (ML), dark yellowish brown (10YR, 4/4); <br /> 23 80% fines; 20% fine grained sand; bluish discoioraUon; <br /> 30 damp; strong odor. <br /> ' 2000 4 1.5/1.5 greT�ee 0 <br /> 5 ❑TW = 30.32' at 11:59. <br /> 7 SANDY SILT (ML), dark yellowish brown (10YR, 4/4); <br /> 80% fines; 20% fine sand; bluish discoloration; damp: <br /> strong odor. <br /> ' 13,900 23 1.5/1.5 35 SANDY SILT (ML), dark yellowish brown (10YR, 4/4); <br /> 33 70% fines; 30% fine sand; smalf irregular caliche <br /> 40 deposits —1/8"; bluish discoloration; strong odor, <br /> ' 40 <br /> REMARKS <br /> EMCON <br />