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n.mu--m-1, <br /> `/ B_9 Page 1_nf 1 <br /> TMC ENVIRONMENTAL# INC. Boding Log <br /> i <br /> CLIENT:Wi ins & Associates Date: 6-24-91 <br /> Site: 4555 N. Pershing Ave. Job No: 309101 <br /> Location: Stockton CA <br /> Iler <br /> Tiller: Aqua Sci. Engineers Dri ,Licse No• C57 487000 <br /> Method: B-61 Sampler 2-1/2" OD <br /> Continuous Flight Type: Cal. Modified Split Spoon, <br /> Hollow Stem, 7D 140 Lbs 30" dro <br /> u er• 3 ,+ O. .I.D. Agency: San Joaquin County Health Dept. <br /> Samples Inspector: Mike Infurna <br /> Logged <br /> b MAP Mmy CEG 1380 <br /> Sample Sample Blows Depth - US <br /> n of Soils <br /> No. De th foot Fee0t CS SDurfacees •tiAsphait/baserock 0--8" <br /> (Feet) <br /> 5 SC Clayey, fine SAND; Red-brown; Damp; Friable <br /> B-9-1 6- 58 Low plasticity; No odor or staining; Vapor <br /> 6-1/2 reading -- 100 ppm <br /> Sc clayey fine SAND; Red-brown; Damp; Friable; <br /> 10 No odor or staining <br /> B-9-2 11- 36 Low-medium plasticity; <br /> 11-1/2 100% sample recovery; <br /> Vapor reading - 100 ppm <br /> 15 ver fine SAND, some silt; Red-brown <br /> B-9-3 16- 26 SC Clayey Y <br /> 16-1/2 with few faint red-orange mottles; Moist; <br /> Low-medium plasticity; No odor or staining <br /> Vapor reading - 80 ppm Grey-brown brown with <br /> 20 SC Very fine SAND, some silt; Y- <br /> B-9-4 21- 6 few faint yellow mottles; Friable; Non <br /> 21-1/2 plastic; Very Moist; Wet; slight odor ani: <br /> staining; Vapor reading - 100 pPm <br /> 25 SW Very fine SAND; Red-brown with some grey <br /> mottles; Very moist; Friable; Non plastic; <br /> B_9_5 27_ 38 p 67% sample <br /> recovery; p <br /> 21-I/2 Moderate odor <br /> Vaornreadingzng200 PPM <br /> 30 Boring terminated at 27-1/2' <br /> 35 <br /> � • Elevation (MSL) <br /> )e])th to Initial Static <br /> Grund Water: a Ii Portland Well/Bori.ng <br /> Total Depth of Type of Backfill/ Type Permit No• 91-1435 <br /> BorincfWell:31-1 2' Sanitaryseal: Cement <br />