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f <br /> 10 / 02 / 02 WED 15 : 27 FAX 916 67 ",2900 URS - - U005 <br /> 1J <br /> LOG OF EXPLORATORY BORING <br /> PROJECT \-LT1v1gER 0805.114.02 <br /> PROJECT XAMEBORING NO_ B29NWi1 <br /> ARCO Products Company Service Station No. 2130 <br /> BY D. Foley DATE 8/11/95 PAGE 4 OF 4 <br /> SURFACE ELEV_ — 15 ft. <br /> RECOVERY PIO PENETRA- <br /> TIONN to LITHO- <br /> r(L d GRAPHIC OESCR [ PTION WELL <br /> ( ft/ ft ) ( 13m) Iblws/ ft ) (DZKoj ct (C COLUMN DETAIL <br /> 1 . 5/ 1 . 5 <br /> SAND (SP), conunued <br /> 41 SILT (W), light olive brown (2. 5Y, 6/3); 100% low <br /> Plasticity fines; iron-oxide staining over 5% of <br /> sample; manganese-oxide staining over 5 % of <br /> sample; hard; wet; strong hydrocarbon odor <br /> SAM) (SP), light olive brown (2, 5Y, 6/3) ; 5 % fines; <br /> 95 % tine-grained sand; wet; strong hydrocarbon <br /> odor <br /> 1 . 5/ 1 . 5 65 SILT (M1,), yellowish brown ( 10YR, 5/4) ; 100% iow <br /> Plasticity fines; iron-oxide staining over 25% of <br /> 21 sample; manganese-oxide staining over 5 % of <br /> sample; gray staining over 20% of sample; very <br /> stiff; wet; strong hydrocarbon odor <br /> SANDY SILT (ML), olive brown (2.5Y, 4/3); 80% <br /> 1 .0/ 1 . 3 <br /> low plasticity fines; 20% fine-grained sand; <br /> manganese-oxide staining over 20% of sample: <br /> 82/0. 8 ca <br /> very dense; wet; very slight hydrocarbon odor <br /> 70 <br /> BORING TERMINATED AT 70. 1 FEEL' <br /> 75 <br /> 80 <br /> xEnfnxxs <br /> Boring drilled using 10-inch diameter continuousdllght, hollow-stem auger drilling equipment and sampled with a <br /> modified California spht-spoon sampler. Boring converted to a ¢inch diameter vapor extracdon <br /> Derails sheet for well construction information. well. See well <br /> E(PON <br />