Laserfiche WebLink
LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 20939-011.001 BORING NO. GP-3 <br /> PROJECT NAME San Joaquin Co. Depart. of Public Works, Thornton, CA PAGE 1 OF 1 <br /> ' BY H. Duke DATE 4/14/98 SURFACE ELEV. NM ft. <br /> RECOVERY FID �N W LITHO- WELL <br /> jk d GRAPHIC DESCRIPTION DETAIL <br /> �¢W E COLUMN <br /> (ft/ft) (ppm) J y <br /> ' ASPHALT <br /> FILL, <br /> ' 1.0 ;+; SANDY SILT(ML), dark gray (7.5YR, N4); 80% <br /> low-plasticity fines; 20% fine sand; trace gravel; <br /> trace organics; damp. <br /> ' 3.0/4.0 1.5 a <br /> ' S <br /> SAND WITH SOME SILT(SP-SM), dark brown <br /> ' <br /> 0.5 .' . . (7.5YR, 4/3); 10% low-plasticity fines; 70% fine SZ . . sand; 20% medium sand; subangular; some mica; <br /> U7 <br /> damp to moist. <br /> 3.0/4.0 /14/98 • - <br /> . . <br /> ' 0.5 10 : : • As above; wet. <br /> ' 25/4.0 <br /> 1.0/2.0 0.5 . . . As above. <br /> BORING TERMINATED AT 14 FEET. <br /> ' 15 <br /> ' REMARKS 20 <br /> Boring advanced using direct-push GeoProbe equipment and sampled with a 2-inch-diameter macrocom sampler. <br /> ' Temporary well casing placed to collect a groundwater grab sample. Boring backfilled from bottom to 3-inches <br /> EOMONbelow ground surface with neat cement grout-and capped with asphalt. <br /> EM ON <br />