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Camp, Dresser & McKee, �. <br /> Soil Boring Log Well Installation and Completion Data <br /> Client Np=rte rcods Company Site Ri"on. Califorina Job No.1130-111 Surveyed Elevation: Ground <br /> Date Drilled 10/13/87 Well No. M9A Boring Co. T-avne Top of Casing Screen Length 20.0' <br /> Total Depth 112' Boring Method Used Air Percussion Hemmer Plezomeler Casing Size b Type 4" 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. Interval Recov. - PPM Change Installed <br /> Locking <br /> Well Cover <br /> Silty Clay (ML) and Gravel Fill, brown Silty <br /> 1 --- o-5 -- --- loose, unsorted, dry Clay <br /> 5 5' Cement <br /> Grout <br /> Sandy Silt (ML), grey-brown, v. fine Sandy <br /> 2 __ 5-10 _ sand, slightly stiff, slightly moist Silt <br /> 1D <br /> 3 --- ID-15 <br /> 15 --- --- 15' 15' <br /> Silty Sand (SM), brown, poorly sorted, Silty <br /> 4 -- 15-20 --- __- v. fine to fine grain, loose, moist Sand <br /> 20 20' Volclay <br /> Sand (SW), It brown, mod. sorted, fine Sand Grout <br /> 5 20-25 -__ --- to coarse grain mostly med., loose, <br /> -- moist <br /> 25 <br /> 6 25-30 `- -- <br /> 30 <br /> 1 Sand (As Above) clay interbeds <br /> -- 30-35 <br /> 35 6' <br /> Clay (CL), brown, stiff, minor fine la <br /> g -- 35-40 sand and mica y <br /> -- Sch. <br /> 40 40 PVC <br /> Casing <br /> 9 --- 40-45 <br /> -- -- <br /> Sandy Crewel (GW), brown, poorly 44' <br /> 45 sorted, gravel to 1", coarse and Sandy <br /> v. coarse sand, loose, vet Gravel <br /> 10 45-50 <br /> 50 <br /> 11 50-55 — — Clay (CL), brown, minor sand and silt, 53' <br /> 55 stiff,moist 160' <br /> Sandy Clay (ML), brown, v. fine sand silt and mica, slightly stiff, moist 12 55-60 If ij <br /> flernatks: <br />