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4� <br /> LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-11402 BORING NO B29/VW11 <br /> PROJECT NAME ARCO Products Company Service Station No. 2130 PAGE 4 OF 4 <br /> BY D. Foley DATE 8/11/95 SURFACE ELEV —15 ft. <br /> RECOVERY PID PENETRA- CA N LITHO- WELL <br /> TION .J GRAPHIC DESCRIPTION DETAIL <br /> �¢� WM E COLUMN <br /> ft/ft) (ppm) (btws/ft) CEJ �j ¢ v <br /> to <br /> 1 511 5 SAND (SP), continued <br /> SELT(ML), light olive brown (2 5Y, 613), 100% low <br /> 41 plasticity fines, iron-oxide staining over 5% of <br /> sample, manganese-oxide staining over 5% of <br /> sample, hard, wet, strong hydrocarbon odor <br /> SAND (SP), light olive brown (2 5Y, 613), 5% fines, <br /> 95% fine-grained sand, wet, strong hydrocarbon <br /> �. odor <br /> 65 SILT(PAL), yellowish brown (10YR, 514), 100% low <br /> 1 SII 5 ( plasticity fines, iron-oxide staining over 25% of <br /> sample, manganese-oxide staining over 5% of <br /> 21 sample, gray staining over 20% of sample, very <br /> stiff, wet, strong hydrocarbon odor <br /> SANDY SILT(hffi), olive brown (2 5Y, 413), 80% <br /> low plasticity fines, 20% fine-grained sand, <br /> 1 011 3 manganese-oxide staining over 20% of sample, <br /> very dense, wet, very slight hydrocarbon odor <br /> 82/08 70 <br /> BORING TER MINATED AT 70 1 FEET <br /> 75- <br /> 80 <br />. REMARKS <br /> Boring drilled untag LQ-each diameter continuous-flight,hollow-stem auger drilling equipment and sampled with a <br /> modified California split-spoon sampler Boring converted to a 4-inch diameter vapor extraction well See Well <br /> Details sheet for well construction information <br /> E ON <br />