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1 <br /> LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-147.01 BORING NO. B-5/MW-3 <br /> PROJECT NAME ARCO Products Company Service Station No. 2186 PAGE 4 OF 4 <br /> BY D. Foley DATE 9/6/95 SURFACE ELEV. 14.9 ft. <br /> ' RECOVERY PID PENETRA- <br /> TION z�-j W LITHO- WELL <br /> =wW C Q GRAPHIC DESCRIPTION DETAIL <br /> �a z COLUMN <br /> ' (ft (ppm) (btws/ft) 0:1_I <br /> —.5115 <br /> SAND (S1,0, continued <br /> ' 51 <br /> SANDY SILT(ML), brown (10YR, 513); 70% low <br /> ' plasticity fines; 30% fine-grained sand; <br /> 65 iron-oxide staining over 30% of sample; <br /> 1.511.5 manganese-oxide staining over 5% of sample; <br /> hard; wet; no hydrocarbon odor <br /> a 38 <br /> 1.011. 70 <br /> 5 @70': as above; olive moray (5Y, 5/2), 75% low <br /> plasticity fines; 25% fine-grained sand; <br /> ' 33 iron-oxide staining over 30% of sample; minor <br /> Ll caliche; hard; wet; no hydrocarbon odor <br /> SAND(SP), olive brown (2.5Y, 413); 100% <br />' tine-grained sand; trace medium-grained sand; <br /> 0.711.5 loose; wet; no hydrocarbon odor <br />' 9 75 <br /> BORING TERMINATED AT 75.0 FEET <br /> 80 <br /> REViARKS <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 />