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Camp, Dresser & McKee,40c. <br /> Soil Boring Log Well Installation and Completion Data <br /> Client Nrwrle ipndc C mpanv Site Ripon, Califorina Job No.1130-111 Surveyed Elevation: Ground <br /> Date Drilled - 10/10/87 Well No. MIA Boring Co. Lavne Top of Casing Screen Length 20.0' <br /> Total Depth I IS' Boring Method Used Air Percussion Hammer Ptezomeler Casing Size d Type 411 PVC <br /> Field Geologist D. Fuller Organic Vapor Instruments Used None Water Table Depth � 25' <br /> Depth Samp. Blows per 6' Sample Adv./ Org. Vap. Sample Description Strata. Equipment <br /> (feet) No. lbs. Inlerval Recov. - PPM Charge Installed <br /> Locking <br /> Well Cover <br /> Sandy Silt (ML), It brown, wed. to fine Sandy <br /> 0.5 saw mica, loose, dry Silt Cement <br /> 5 Grout <br /> 2 —__ 5_10 - <br /> 10 10' <br /> Silty Clayey Sand (SM), grey, mod. <br /> 3 sorted, v. fine to fine grain, moist Silty <br /> --- 10.15 -__ _-- stiff Clayey <br /> 15 Sand 15 <br /> Sand (SP), It brown, minor silt and <br /> IS-20 clay, mod. well sorted, mostly fine Sand <br /> 4 grain, loose, moist <br /> 20 20' <br /> (Fining upward sequence 15-321) <br /> 5 20-25 _-- - <br /> 25 olclay <br /> rout <br /> 6 -- 25-30 -- —� <br /> 30 <br /> 2 Clayey Sand (SM), brown, poorly sorted, 32' <br /> -- 30-35 _- --- v, fine to fine grain, 402 clay and Clayey <br /> 35 minor silt, moist, stiff Sand 35 <br /> Sandy Clay (ML), brown, v. fine to fine Sandy <br /> g -- 35-40 sand, v. moist, slightly pleat lc, Sch. <br /> Clay <br /> (Sand fraction increases with depth) 40 PVC <br /> 40 Casing <br /> 9 --- 40-45 <br /> 45 <br /> 10 45-50 <br /> 50' <br /> 50 <br /> Silty Clayey Sand (SM), grey to brown, Silty <br /> 11 50-55 neor[ed, v. fine to med. grain, loose, Clayey <br /> -- at Sand <br /> 55 55' <br /> Sandy Clay (ML), brown, Fe stains, <br /> _ fine to coarse sand with minor gravel Sandy <br /> 12 55-60 " to 1/4", vet Clay <br /> ilemarks: <br />