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Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO OZ3 <br /> 7 4005 North Wilson Way, Stockton, CA 95205 <br /> 1 (209) 467-1006 FAX (209)467-111$ i-Q-TAL DEPTH 62 Feet <br /> Project Former S1 EFANOS GAS STATION Date(s) Drill j d 12-17::a4__' <br /> Project No AGE-NC-03-1100 Page 2 of 2 k\ <br /> Depth Sample Blows PID Soil USCS Class and Well Well <br /> ID 1 ft (ppm) Symbol Soil Description Completion Description <br /> -35 No samples collected until 40' <br /> ML Light Brown,SILT,low plasticity,low <br /> -40— OZ3-40 8/8/9 5 toughness,high consistency,dry,slight hydrocarbon <br /> (HC}odor <br /> Cement grout sea]from <br /> 0 5 to 55'bsg <br /> ML Orange Brown,SANDY SILT, 10-15%sand, <br /> -45— OZ3-45 818/9 6 moderate plasticity,low toughness,low consistency, <br /> moist,HC odor <br /> ML Orange Brown,SANDY SILT, 10-15%sand, <br /> -5 0 OZ3-50 7/7/9 468 moderate plasticity,low toughness,low consistency <br /> dry,HC odor <br /> ML Orange Brown,SANDY SILT,low plasticity, <br /> -55— OZ3-55 7/719 3 moderate toughness,moderate consistency,dry to c <br /> moist,HC odor <br /> Bentonite seal from 55' <br /> to 58' bsg <br /> #3 sand from 58'to 62' <br /> SW Grey Brown,SAND fine-to medium-grained, bsg <br /> _60_ OZ3-60 /-/- 6 very moist,slight HC odor - <br /> SW Corey Brown,SAND,fine-to medium-grained, Screens interval(0 020) <br /> 073-61 5 very moist,slight HC odor from 60 to 62'bsg <br /> OZ3-62 /-/- 14 ML Orange Brown,SANDY SILT,high plasticity, <br /> moderate toughness,moderate consistency,very <br /> moist,HC odor <br /> -65 <br /> 10 <br />