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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-147.01 BORING NO. 13-5/MW-3 <br /> PROJECT NAME ARCO Products Company Service Station No. 2186 PAGE 2 OF 4 <br /> BY D. Foley DATE 9/6195 SURFACE ELEV. 149 ft. <br /> RECOVERY PID PENETRA- W LITHO- WELL <br /> TION w W1 GRAPHIC DESCRIPTION DETAIL <br /> W d <br /> MCOLUMN <br /> (ft/ft) (ppm) (btws/ft) � <br /> 1.011.5 0.0 @20': as above; brown (10YR, 513); iron-oxide <br /> staining over 55% of sample; manganese-oxide r <br /> 36 staining over 5% of sample; dry to damp; no <br /> hydrocarbon odor <br /> YZI <br /> SILTY SAND (SM), dark yellowish brown (IOYR, <br /> 414); 40% tow plasticity tines:60ek rine-grained <br /> sand; medium dense; damp to moist; no <br /> 1.211.5 0.0 25 hydrocarbon odor <br /> 26 <br /> 1.0/1.5 0.0 30 <br /> SAND(SW), brown to dark brown (IOYR, 4/3); 90% <br /> 20 fine-grained sand. 10% medium to coarse-grained <br /> sand; trace fine to coarse-grained gravel; medium <br /> dense; damp; no hydrocarbon odor <br /> i <br /> SILT(MI.), dart:yellowish brown (10YR, 414); 90% <br /> 1.211.5 0.0 35 low plasticity lines; 10% fine-grained sand; <br /> iron-oxide staining over 30% 01'sample; very <br /> 28 stiff. moist; no hydrocarbon odor <br /> 40 <br /> REMARKS <br /> Boring drilled using to-inch diameter continuous-fliehl,hollow-stun auger drilhau 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 />