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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-152.03 BORING NO VW-19 <br /> . PROJECT NAME ARCO Products Company Service Station No 6100 PAGE 4 OF 5 <br /> BY C. Avila DATE 7/5/95 SURFACE ELEV NA ft <br /> RECOVERY PID PENETRA- <br /> TION Z_J � w LITHO- WELL <br /> a� j CkL * JtL GRAPHIC DESCRIPTION DETAIL <br /> 0¢LU Ct E COLUMN <br /> (ft/ft) (PPM) (bLws/ft) CD3 j 4z <br /> 40 <br /> 1 5/1 5 197 <br /> SII TY SAND (SM), grayish brown, 40% silt, 60% <br /> 52 65 sand, fine-grained, dry, dense, strong <br /> hydrocarbon odor <br /> 1 511 5 104 <br /> 59 70 SELT(ML), grayish brown, non plastic, dry, hard, <br /> slight to moderate hydrocarbon odor <br /> 1 511 5 41 <br /> 4.7 75 SANDY SILT(ML), grayish brown, fine-grained, <br /> non plastic, dry, hard <br /> 09/09 41 @79' as above, dark yellowish brown, 60% silt, <br /> 7210 9 <br /> 80 40% sand, damp, hard, slight hydrocarbon odor <br /> REMARKS <br /> Boring drilled using 8-inch diameter continuous-flight,hollow-stem auger drilling egwpment and sampled with a <br /> modified California split-spoon sampler Boring converted to a 4-mch diameter vapor extraction well See Well Details <br /> sheet for well construction information <br /> E(OTS <br />