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LOG OF EXPLORATORY BOHM <br /> PROJECT NUMBER 0805.114.02 BORING NO B27/AS2 <br /> PROJECT NAME ARCO Products Company Service Station No. 2130 PAGE 2 OF 4 <br /> BY D. Foley DATE 8/10/95 SURFACE ELEV --15 ft. <br /> RECOVERY PID PENETRA_ <br /> ,�y...� � LITHO- <br /> TION W CL 1ITAI <br /> ELL <br /> � 4 � GRAPHIC DESCRIPTION DETAIL <br /> tY¢W it a- COLUMN <br /> (ft/ft) (ppm) (btws/ft) -� <br /> 22 CLAYEY SILT (ILII..), continued <br /> _ <br /> SANDY SILT(ML), brown (10YR, 5/3), 80% low <br /> plasticity fines, 20% fine-grained sand, <br /> iron-oxide staining over 20% of sample, abundant <br /> caliche medium dense, damp, strong hydrocarbon <br /> odor <br /> 1 4/1 5 242 <br /> 25 <br /> 27 <br /> SILTY SAND (SM), brown to dark brown (10YR, <br /> 4/3), 20% fines, 80% fine-grained sand, <br /> iron-oxide staining over 20% of sample, rumor, <br /> caliche. dense, moist, strong hydrocarbon odor <br /> 14/15 240 30 _ <br /> i <br /> 42 <br /> SANDY SILT(ML), dark yellowish brown (10YR, <br /> 09/1 5 275 4/4), 75% low plasticity fines, 25% fine-grained <br /> 35 sand, manganese-oxide staining over 5% of <br /> r 35 sample, minor caliche, dense, damp, strong <br /> hydrocarbon odor <br /> SILT(ML), brown to dark brown(10YR, 4/3), <br /> 100% low plasticity fines,manganese-oxide <br /> staining over 5% of sample, minor caliche, very <br /> r stiff-, damp. strong hydrocarbon odor <br /> 1 3/1 5 229 <br /> 40 <br /> REMARKS <br /> Bonng drilled using 8-inch diameter continuous-it t <br /> gh.hollow stem auger drdLng equiptncnt and sampled with a <br /> modified California split-spoon sampler Boring drilled inside exisnng 12-inch diameter PVC conductor casing <br /> converted to a 2-tach dumeter air sparge well See Well Dauls sheet for well construction tnfon on aonag <br /> i <br /> E ON <br />