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1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />LOG OF EXPLORATORY BORING <br />PROJECT NUMBER 939-03.14 BORING NO. MW -3 <br />PROJECT NAME San Joaquin County - Corral Hollow Landfill PAGE 1 OF 9 <br />BY S. Lof holm DATE 5/5/88 SURFACE ELEV. 297.03' <br />GP <br />5 <br />xf=� <br />30 <br />35 <br />1I*311%9,1 <br />SANDY GRAVEL, dark grayish brown (2.5Y, <br />4/2); 10-15% fines; 15-20% fine to coarse <br />sand; 65-70% fine to coarse gravel; loose; dry <br />to damp. <br />@ 19': dark grayish brown (2.5Y, 4/2); <br />predominately fine gravel. <br />SILTY SANDY GRAVEL, light olive brown <br />(5Y, 4/2); 10-15% low plasticity fines; 20% <br />fine to coarse sand; 65% fine to coarse <br />gravel; damp. <br />GRAVELLY SAND, dark yellowish brown <br />(10YR, 4/6); 5-10% low plasticity fines; <br />60-65% fine sand; 25% fine gravel; damp. <br />SANDY GRAVEL, dark yellowish brown <br />(10YR, 4/0); 5-10% fines; 30% fine to coarse <br />sand; 60-65% fine to coarse gravel; damp to <br />moist. <br />40 WA VA <br />REMARKS <br />Drilled by 10 -inch air rotary casing -hammer; samples collected with 2.5 -inch <br />U0 outside -diameter modified California split -spoon sampler. Borehole converted to a 5 -inch <br />EIVICON monitoring well as shown on Well Details. <br />ASSnrIATFR <br />POCKET <br />PENETRA- <br />OZ � <br />J <br />=� <br />W <br />LITHO - <br />RECOVERY <br />PENETRO- <br />TION <br />z <br />: W <br />W <br />-I <br />GRAPHIC J <br />METER <br />& <br />W <br />0.LL <br />a. <br />Z <br />3 <br />(Blows/ <br />3 <br />0 Z <br />COLUMN <br />(FT/FT) <br />(TSF) <br />Ft.) <br />0 <br />J <br />H <br />N <br />GP <br />5 <br />xf=� <br />30 <br />35 <br />1I*311%9,1 <br />SANDY GRAVEL, dark grayish brown (2.5Y, <br />4/2); 10-15% fines; 15-20% fine to coarse <br />sand; 65-70% fine to coarse gravel; loose; dry <br />to damp. <br />@ 19': dark grayish brown (2.5Y, 4/2); <br />predominately fine gravel. <br />SILTY SANDY GRAVEL, light olive brown <br />(5Y, 4/2); 10-15% low plasticity fines; 20% <br />fine to coarse sand; 65% fine to coarse <br />gravel; damp. <br />GRAVELLY SAND, dark yellowish brown <br />(10YR, 4/6); 5-10% low plasticity fines; <br />60-65% fine sand; 25% fine gravel; damp. <br />SANDY GRAVEL, dark yellowish brown <br />(10YR, 4/0); 5-10% fines; 30% fine to coarse <br />sand; 60-65% fine to coarse gravel; damp to <br />moist. <br />40 WA VA <br />REMARKS <br />Drilled by 10 -inch air rotary casing -hammer; samples collected with 2.5 -inch <br />U0 outside -diameter modified California split -spoon sampler. Borehole converted to a 5 -inch <br />EIVICON monitoring well as shown on Well Details. <br />ASSnrIATFR <br />