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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 />1 <br />1 <br />LOG OF EXPLORATORY <br />PROJECT NUMBER 939-03.12 <br />PROJECT NAME Corral Hollow Sanitary Landfill <br />BY CMF DATE 10/29/87 <br />BORING <br />BORING NO. MW -1 <br />PAGE 1 OF 7 <br />SURFACE ELEV. 242±11 <br />DESCRIPTION <br />POCKET <br />PENETRA— <br />SILTY SAND - FILL; light yellowish brown <br />UA LITH — <br />TORVANE <br />PENETRO— <br />TION <br />z cc_j <br />Uj <br />Uj GRAPHIC <br />METER <br />M , W <br />0 > <br />2 <br />5 <br />SC <br />... <br />CLAYEY SAND; dark yellowish brown (10YR, <br />(Blow 31 <br />W Uj <br />j <br />iL <br />Uj <br />< COLUMN <br />CTSF) <br />(TSF) <br />Ft.) <br />SANDY CLAY to SANDY SILT; brown (10YR, <br />BORING <br />BORING NO. MW -1 <br />PAGE 1 OF 7 <br />SURFACE ELEV. 242±11 <br />DESCRIPTION <br />REMARKS <br />Drilled by 10 -inch air rotary casing hammer; samples collected with 2 -inch <br />modified California split -spoon sampler. Borehole converted to 4.5 -inch <br />monitoring well as detailed in Plate A-9. <br />SM <br />SILTY SAND - FILL; light yellowish brown <br />to dark yellowish brown (10YR, 6/4- <br />10YR, 4/6); 30% silt and clay; trace <br />gravel; fine; loose; damp. <br />5 <br />SC <br />... <br />CLAYEY SAND; dark yellowish brown (10YR, <br />4/6). <br />CL- <br />SANDY CLAY to SANDY SILT; brown (10YR, <br />10 ML <br />5/3); 40-60% sand; very fine; soft; <br />low plasticity; low dilatancy; damp. <br />@14': moist to wet. <br />15. <br />@18': silty to sandy lenses. <br />seepage. <br />18/ 100/19/8@20': <br />18 <br />@20.5' (sample): Sandy Clay to Sandy <br />Silt; light olive brown (2.5Y, 5/4); <br />40% sand; very fine; structured; <br />25 <br />weakly weathered; slightly micaceous; <br />sandy interval wet. <br />@21.5': moist. <br />ML <br />CLAYEY to SANDY SILT; light olive brown <br />30 <br />(2.5Y, 5/4); 40% sand; fine; slightly <br />plastic; low dry strength; damp. <br />35 CL- <br />SANDY CLAY to SANDY SILT; light olive <br />ML <br />brown (2.5Y, 6/4); 25% sand; very <br />fine; soft; low plasticity; low <br />dilatancy; damp. <br />AJ <br />REMARKS <br />Drilled by 10 -inch air rotary casing hammer; samples collected with 2 -inch <br />modified California split -spoon sampler. Borehole converted to 4.5 -inch <br />monitoring well as detailed in Plate A-9. <br />