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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-147.01 BORING NO. B-l/MW-1 <br /> PROJECT NAME ARCO Products Company Service Station No. 2186 PAGE 4 OF 4 <br />' BY D. Foley DATE 8/29/95 SURFACE ELEV. 15.0 ft. <br /> RECOVERY FID PENETRA- O� (E) LITHO- WELL <br /> TION �M LLJ 4 GRAPHIC DESCRIPTION DETAIL <br /> 0Ma <br /> ¢� Lt3� COLUMN <br /> (ft/ft) (ppm) (btws/ft) t0 C� t¢ <br /> 1 1.411.5 0 SILT(ML), continued <br /> 33 4 <br />' 8128195 <br /> CLAYEY SILT(NQ.), brown (10YR, 5/3); 100% low <br /> 1.511.5 plasticity fines, iron-oxide staining over 5% of <br /> sample; hard; damp; very slight hydrocarbon odor <br /> 54 <br />' 1.411.5 65 SANDY SILT(ML), olive brown (2.5Y, 413); 80% <br /> low plasticity fines; 20% fine-grained sand; <br /> iron-oxide staining over 20% of sample; hard; <br /> 48 wet; very slight hydrocarbon odor <br /> • • SAND (SP), brown to dark brown (10YR, 413); 10% <br /> 1.4/1.5 . . . . fines; 90% fine-grained sand; iron-oxide staining <br /> over 15% of sample; medium dense; wet; slight <br /> 27 • • hydrocarbon odor <br /> 1.011.5 70 @70': as above; very dense; very slight <br /> : hydrocarbon odor <br /> 66 : <br /> 0.411.0 . . . . @73.5 100% fine-grained sand; trace <br /> medium-grained sand; very slight hydrocarbon <br />' g2odor <br /> 75 . . . <br /> BORING TERMINATED AT 75.6 FEET <br /> 80 <br /> REMARKS <br /> Boring 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 4-inch diameter groundwater monitoring well. See <br /> Well Details sheet for well completion information. <br /> E ON <br /> 1 <br />