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Project Newfield Property Project No AGE-NC-97-0290 BORING NO.. <br /> Site Address 107 North School Street Total Depth 60 Feet SW2 <br /> AAL Lodi, California Date 20 April 1999 <br /> 11 nlltng Co Central Valley Drilling Logged by McKibben Page 2 of 2 <br /> Rig/Auger Type B-53 /8" Hollow stem Reviewed by Henderson <br /> QVQ C" ao Lithologic Description <br /> S ti4 Qti° <br /> SW2-45 2876 9/16/21 ML Gray,moist, very stiff, fine sandy SILT,oxidation <br /> intense HC odor <br /> 50— SW2-50 2459 11/17/21 ML Dark gray,saturated,very stiff, sandy SILT,white mottling, <br /> intense HC odor <br /> SW2-55 45 16/23/27 SP Gray-brown, saturated,dense,poorly graded fine to <br /> – medium SAND, faint HC odor <br /> Light brown, saturated,very dense, fine to coarse SAND, <br /> 60— SW2-60 52 31/50 SW o very faint HC odor <br /> 0 (35") CL Red-brown, moist,hard, sandy CLAY,no HC odor <br /> Boring terminated at 60 feet bsg <br /> Ground water encountered at 43 feet bsg <br /> – Boring completed as sparging well SW2 with vapor points <br /> Screen interval 60-57 5',blank casing 57 5-0' <br /> Sand pack 60-56' <br /> Bentonite plug 56-44 5' <br /> 70-- Screened interval 44-43 5',blank casing 43 5-0' <br /> Sand pack 44 5-43' <br /> – Bentonite plug 43-41' <br /> Portland cement 41-33 5' <br /> – Screened interval 33-32 5',blank casing 32 5-0' <br /> Sand pack 33 5-32' <br /> Bentonite plug 32-30' <br /> Portland cement 30-21 5' <br /> 80— Screened interval 20-19 5' <br /> Sand pack 20 5-19' <br /> Bentonite plug 19-17' <br /> Portland cement 17-0 5' <br /> Advanced <br />' LIGeoEnvironmental, Inc. <br /> AMIPRORiN -1V+IEWFIELAWEWFD 4V2 AM <br />