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- - rays 1 4 <br /> ' CLIENT-Wiggins & Ass <br /> ocicrLes <br /> -- Site; Date, 6-24-91 <br /> 4555 N. Pershing Ave . <br /> Location• Stockton CA Job No* 309201 <br /> Driller: Aqua Sci. Engineers Driller <br /> License No, C57 487000 <br /> Method; H-61 Sampler <br /> Hollow Stem, Continuous Flight Type: Cal. Modified Split Spoon, 2--1/2" OC <br /> Au er- 31"1 D. 71+ O. D. 140 Lbs 301+ dr4 <br /> jp— Samples Agency: San Joaquin County Health Dept. <br /> Logged Inspector: Mike Infurna <br /> b : MAP ZMTY CEG 1380 <br /> Sample Sample Blows Depth -- US <br /> No. De th foot Feet CS Descri tion of Soils <br /> (Feet) O Surface: Asphalt 0-8" <br /> B-3-1 6-- 62 5 SC Clayey, very fine SAND, some silt; Brown; <br /> Moist; Friable; Low Plasticity; no stain- <br /> 6-1 /2 ing or odor; Vapor reading -- 0 ppm <br /> 10 SC Clayey fine SAND; Red-brown; Moist; <br /> B-3-2 11- 24 Low plasticity; Friable; no staining or <br /> 11-1/2 odor; 100% sample recovery; Vapor reading <br /> 200 ppm <br /> 15 <br /> B-3-3 16- 56 SC Clayey very fine SAND; Some silt; Grey- <br /> 16-1/2 brown with some red-orange mottles; Moist; I <br /> Friable; Low plasticity; Slight staining <br /> and odor; Vapor reading - 204 ppm <br /> 20 SC Clayey fine SAND; Grey-brown with few faint <br /> H-3-4 21- 45 red mottles; Moist; Friable; Low plasticity <br /> 21-1/2 Slight odor and staining; Vapor reading - <br /> 200 ppm; 100% sample recovery <br /> 25 SW Medium SAND; Grey-brown; Very moist; Loose; <br /> B-3-5 26- 28 Non plastic; Strong odor and staining; <br /> 26-1/2 Vapor reading - 10, 000 ppm <br /> B-3-6 31- 20 <br /> 30 SC Clayey very fine SAND; Olive-grey; Very <br /> moist; Friable; Medium plasticity; Slight <br /> 31-1/2 odor and staining; Bottom outside of <br /> sampler wet; 100% sample recovery <br /> 35 Boring terminated at 31-1/2 + <br /> Depth to Initial Static Elevation <br /> Ground Water. 31-1 2 ' (MSL) <br /> Total Depth of IType of Backfill/ Type 11 Portland Well/Boring <br /> Borin Well • 32-1 2 ' Santar Seal : Cement Per <br /> mit No• 91-1435 <br />