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Project California Fuels Cardlock Station Project No AGE-NC-95-0173 BORING NO <br /> Site Address 2402 Pacific Avenue Total Depth 40 ft MW-1 1 <br /> Stockton, California Date 02 July 1998 <br /> Drilling Co Mitchell Drilling Environmental Logged by T Cuellar Page 2 of 2 <br /> Drill Rig Type B-75 Mobile Drill Rig Reviewed by N Henderson <br /> o��i'''�0, GGA Lrthologic Description <br /> �- L4 G L� �`' G <br /> MW11-45 00 17-19-22 ML Pale brown, dry, hard,clayey SILT.No visible sand No HC odor <br /> i <br /> Brown,gray and red/brown, dry,hard, silty CLAY <br /> 50—MW11-50 00 31-36-39 CL No visible sand No HC odor <br /> I <br /> MW11-55 00 22-27-50 CL Same as above <br /> 1 <br /> 60—MW11-60 00 42-50 CL Same as above <br /> I – <br /> I <br /> Brown and gray, damp,hard, fine sandy,clayey SILT <br /> 70—MW 11-70 0 0 31-50 ML About 90%fines, about 10%fine sand No HC odor <br /> I ales <br /> – <br /> Bottom of boring equal to 70 feet below surface grade(bsg) <br /> Boring MW-1 1 converted into 2-inch diameter monitoring well <br /> utilizing schedule 40 PVC casing <br /> 11f\1T[1 TnT Tf—r fll.i 7\T A eln A 1 A 1 All? 1 1 <br /> 1.V1'413 11\Vt.l I%JIN lwl YY-11 <br /> – rout Plug 40 to 70 feet bsg <br /> Screened Casing 20 to 40 feet bsg <br /> – <br /> Blank Casing 0 5 to 20 feet bsg <br /> Sand Pack 18 to 40 feet bsg <br /> 80— Bentonite Seal 15 to 18 feet bsg <br /> – rout Seal 1 to 15 feet bsg <br /> E <br /> Advanced <br /> IGeoEnvironmental, Inc. <br /> L"1PR OR1Wi-11 ALFUE-1 W173Mw11 SAM 09/21!98® 9 23 AM <br />