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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 9/7/95 SURFACE ELEV. 15.0 ft. <br /> RECOVERY PID PENETRA- <br /> p�_j LU LITHO- WELL <br /> TION :~W k CL Q GRAPHIC DESCRIPTION DETAIL <br /> W4= WJ E COLUMN <br /> (ft/ft) (ppm) (btws/ft) 0:2J <br /> 1.011.5 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; darkr <br /> g ayish brown ry(.,.SY, 412); <br /> iron-oxide staining over 15% of sample; minor <br /> 48 caliche; hard; damp to moist; slight hydrocarbon <br /> odor <br /> SANDY SILT(ML), dark brown (10YR, 313); 65% <br /> low plasticity fines; 35% fine-grained and; <br /> iron-oxide staining over 20% of sample; gray <br /> 1 <br /> 1. 50 staining over 5% of sample; minor root cavities; <br /> 111.5 14.7 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 /> 1.211.5 14.2 55 <br />' 24 <br /> 9/7/95 SAND (SP), dark gray (5Y, 4/I); I00% fine-grained <br /> 1 sand; medium dense; wet; slight hydrocarbon <br /> Q odor <br /> 917195 60 <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 2-inch diameter dual completion vapor extraction well. <br /> E§OI NSSee Well Details sheet for well completion information. <br /> E ON <br />