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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 SW1 <br /> Am' Lodi, California Date 19 April 1999 <br /> nlling Co Central Valley Drilling Logged by McKibben Page 2 of 2 <br />' Rig/Auger Type B-53 / 8" Hollow stem Reviewed by Henderson <br /> Lithologic Description <br /> I <br /> SWI-45 2432 13/17/24 ML Dark gray,very moist,very stiff, fine sandy SILT, <br />' intense HC odor <br />' 50— SWI-50 1737 17/23/25 ML Dark gray, saturated,hard, fine sandy SILT, intense HC odor <br />' <br /> SWI-55 157 26/50 SP-SM Gray,saturated,very dense, fine to medium SAND with silt, <br /> (511) moderate HC odor <br /> W <br /> 1460— SW1-60 64 26/18/15 CL Red-brown, saturated,hard, silty CLAY with sand, <br /> no HC odor <br />' Boring terminated at 60 feet bsg <br /> Ground water encountered at 43 feet bsg <br />' — Boring completed as sparging well SW 1 with vapor points <br /> Screen interval 60-57 5',blank casing 57 5-0' <br /> Sand pack 60-55' <br />' — Bentonite plug 55-44 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 />' GeoEnvironmental, Inc. <br /> L4AMIPR SBORING-1WEWFIELDINEYJFQSWI SAM <br />