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p <br />F, <br />r <br />0 <br />n <br />77 1 <br />L' <br />fl <br />u <br />[1 <br />r <br />0 <br />LOG OF EXPLORATORY BORING <br />PROJECT NUMBER 939-03.14 BORING NO. MW -2 <br />PROJECT NAME San Joaquin County - Corral Hollow Landfill PAGE 7 OF 9 <br />BY S. Lofholm DATE 5/11/88 SURFACE ELEV. 303.39' <br />POCKET <br />PENETRA- <br />0�W <br />3WW <br />= . <br />W LITHO- <br />J <br />RECOVERY <br />PENETRO <br />METER <br />TION <br />�-U. <br />J GRAPHIC <br />CL <br />JM <br />DESCRIPTION <br />(FT/FT) <br />(TSF) <br />(Blows/ <br />Ft.) <br />a3W <br />® J <br />UjZ <br />H <br />Q COLUMN <br />3W <br />0 <br />SC <br />CLAYEY SAND light olive brown 2.5Y 5 4 <br />� CL , g ( / ), <br />40% clay; 50% sand, 10-15% fine, 10-15% <br />medium, 70% coarse; 5-10% fine to coarse <br />gravel; moist. <br />245 CL <br />SANDY CLAY, light olive brown (2.5Y, 5/4); <br />SC <br />40-45% medium to coarse sand; 5% fine <br />gravel; moist. <br />250 <br />255- <br />55260@ <br />260— <br />@260': 10% fine to medium gravel; 25-30% <br />medium to fine sand. <br />265 <br />@ 265': 20-25% sand; 45-50% fine sand; 35% <br />medium sand; 15% coarse sand; trace fine <br />gravel. <br />270 <br />@ 270': 40-45% sand; 5-10% fine gravel; 50% <br />quartz; 35% brown quartzite; 15% jasperoided <br />chert; moist. <br />275 <br />280 <br />REMARKS <br />EMCON <br />ASSOCIATES <br />