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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-147.01 BORING NO. B-7/VW-2 <br /> PROJECT NAME ARCO Products Company Service Station No. 2186 PAGE 3 OF 4 <br /> BY D. Foley DATE 917195 SURFACE ELEV. -•15.4 ft. <br /> RECOVERY PID PENETRA- Cn LITHO- WELL <br /> TION �-LLJ � Q GRAPHIC DESCRIPTION DETAIL <br /> OQ� W� Z COLUMN <br /> (ft/ft) (ppm) (btws/ft) � j M <br /> 1.0!1.5 86.4 @40': .as above; light olive brown (2.5Y, 513); <br /> iron-oxide staining over 25% of sample; abundant <br /> 19 caliche; very stiff; moist; slight to moderate <br /> hydrocarbon odor <br /> 1.111.5 31.6 45 @45': as above; dark grayish brown (2.5Y, 412); <br /> iron-oxide staining over 15% of sample; minor <br /> 48 caliche; hard; damp to moist; slight hydrocarbon <br /> odor <br /> SANDY SILT(TVD..), dark brown (10YR, 313); 65% <br /> low plasticity fines; 35% Fine-grained and; <br /> iron-oxide staining over 20% of sample; gray <br /> staining over 5% of sample; minor root cavities; <br /> 1.111.5 14.7 50 stiff; moist; slight to moderate hydrocarbon odor <br /> 12 <br /> SILTY SAND(SM), olive brown (2.5Y, 413); 15% <br /> fines; 85% fine-grained sand; medium dense; <br /> moist; slight hydrocarbon odor <br /> 1.2!1.5 14.2 55 <br /> 24 <br /> 917195 SAND (SP), dark gray OY, 411); 100% tine-grained <br /> sand; medium dense; wet; slight hydrocarbon <br /> odor <br /> 9/7195 60 <br /> REMARKS <br /> Baring drilled using 10-inch diameter continuous-flight,hollow-stem auger drilling equipment and sampled with a <br /> modified California split-spoon sampler. Boring converted to a 2-inch diameter dual completion vapor extraction well. <br /> See Well Details sheet for well completion information. <br /> E ON� <br />