Laserfiche WebLink
I <br /> LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-147.01 BORING NO. B-41MW-2 <br /> PROJECT NAME ARCO Products Company Service Station No. 2186 PAGE 1 OF4 <br /> BY D. Foley DATE 8129195 SURFACE ELEV. 15.9 ft. <br /> RECOVERY FIo PENETRA- LITHO- WELL <br /> TION -1 GRAPHIC DESCRIPTION DETAIL <br /> CL <br /> W4XW tILy� COLUMN <br /> (ft/ft) (ppm) (htws/ft) 0= �I <br /> ASPHALT t <br /> FILL, BASEROCK <br /> SILT(ML). very dark grayish brown (10YR, 312); <br /> 100% low plasticity fines; dry to damp; no17i <br /> f <br /> hydrocarbon odor /. <br /> r <br /> i Y <br /> i <br /> 1.011.5 0 5 @5': as above; brown(10YR. 513); iron-oxide <br /> staining over 25`0 of sample; abundant caliche; <br /> 40 hard; damp; no hydrocarbon odor <br /> 1.2/1.5 0 10 10': dark yellowish brown (10YR. 414); no <br /> hydrocarbon odor <br /> .37 <br /> r <br /> i <br /> i <br /> 1.411.5 0 i5 @ 15'; as above; trace manganese-oxide staining; <br /> trace caliche; mirror root cavities; very stiff; no � <br /> 24 hydrocarbon odor <br /> CLAYEY SILT(ML), light olive brown (2.5Y. 513); <br /> 100% low plasticity fines: iron-oxide staining <br /> over 5% of sample; very stiff; damp; no � <br /> hydrocarbon odor <br /> 20 <br /> RENtARKS <br /> Boring drilled using 10-inch diameter continuous-flighl,hollow-stem auger drilling equipment and sampled wish a i <br /> modified California split-spoon sampler. Boring convened to a 4-inch diameter groundwater monitoring well.See <br /> Weil Details sheet For well completion information. <br /> E ON <br />