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1 <br /> LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 2613-100 001 BORING NO B4RIVW2 <br /> PROJECT NAME Transmission Shop, 515 Nest Charter Way, Stockton, CA PAGE 2 OF 2 <br />' BY C Avila DATE 9126196 SURFACE ELEV --9 5 ft. <br /> RECOVERY PID PENETRA <br />' q�'n LITHO- WELL <br /> TION UJI <br /> ?wLU t ...1 GRAPHIC DESCRIPTION DETAIL <br /> M<C E COLUMN <br /> (ft/ft) (ppm) (btws/ft) 0:1_j <br /> 1 511 5 2175 SILT some clay, continued <br /> @20' as above, light olive brown, non plastic, <br /> 52 trace fine grained sand, hard, dry, strong <br /> hydrocarbon odor <br /> I <br /> t � <br />' 1 511 5 2208 25 925 CLAYEY SILT (ML), strong hydrocarbon <br /> odor <br /> 40 <br /> 1 <br /> SANDY SILT (ML)TO SILTY SAND (SM), olive <br />' 1 511 5 NM - 30 1 gray, fine to medium grained sand, very <br /> stiff/medium dense, wet <br /> 21 9126196 <br /> 1 <br /> I , <br /> SAND (SW) olive gray fine to coarse grained sand <br /> dense, wet, strong hydrocarbon odor <br /> 1 <br />' 1 511 5 NM 35 <br /> 18 <br /> 1 <br /> 40 BORING TERMINATED AT 40 0 FEET <br /> REMARKS <br /> Boring dnlled using 8-inch diameter continuous tlieht hollow-stem auger drilling equipment and sampled with a <br /> modified California spit-spoon sampler Bonne converted to a 2 inch diameter duel-completion vapor extraction well <br /> See Well Details sheet for well construction information <br /> E ON <br />