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LOG OF EXPLORATORY BORING <br /> BORING NO. MW-2 <br /> PROJECT NUMBER 939-03.14 PAGE 2 OF 9 <br /> PROJECT NAME San Joaquin County - Corral Hollow Landfill <br /> 303.39' <br /> BY S. Lofholm DATE 5/11/88 <br /> SURFACE ELEV. <br /> Ci LITHO- <br /> POCKET PENETRA- CION = •. W JH DESCRIPTION <br /> RECOVERY PENETRO- TION j�W t0LL IL GRAPHIC W <br /> METER (Blows/ o3J pH Q COLUMN 30 <br /> (FT/FT) (TSF) Ft.) W <br /> SP SAND (continued). 5-10% fine to medium <br /> 7. gravel; trace coarse gravel; very fine to <br /> GW medium sand, 45-50% very fine, 3596 fine, <br /> 10-15% medium, trace coarse; damp. <br /> SANDY {;RAVEL, brown (10YR, 5/3); 5 <br /> 45 fines; 15-20% fine to coarse sand; 15% fine <br /> -30% coarse gravel, predominantly <br /> gravel, 25 <br /> fi=r chert and quartzite; dry to damp. <br /> @ 47': as above; 40% sand; 1096 fines. <br /> +r' <br /> 50 <br /> _ GRAVELLY SAND, dark yellowish brown <br /> SP (10YR, 4/4); 5% low plasticity fines; 10% fine <br /> 80% coarse sand; 20-25% <br /> sand, 10% medium, <br /> 55 fine gravel, trace coarse; moist. <br /> @ 56': as above, 10-15% fines; moisture Ievel <br /> increasing. <br /> 60 <br /> 65 @ 65-70': 15-20% clay; very moist. <br /> Note: water check; no water recovered. <br /> 70GP CLAYEY SANDY GRAVEL, dark brown <br /> (10YR, 4/3); 10-15% fines; 25-30% fine to <br /> `r coarse sand; 55-60% fine to coarse gravel; <br /> moist. <br /> 75 <br /> SW :- t -:t GRAVELLY SAND, dark brown (lOYR, 4/3); <br /> :�:<-:: <br /> 1- 5-10% fines- 50% medium to coarse sand; <br /> trace fine sand; 35-40% fine to coarse gravel; <br /> •'ti:l <br /> 8o <br /> REMARKS <br /> ECON <br /> ASSOCIATES <br />