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TMC ENVIRONMENTAL, INC. Boring Log <br /> B-1 Page 3 Of 3 <br /> CLIENT-WI ins & Assoc aces Date: 6-24-91 <br /> Site: 4555 N. Pershing Ave. Job No: 309101 <br /> T,ocation: Stockton CA <br /> filler: Aqua Sci. Engineers Driller <br /> License 0'__C57 487000 <br /> Method: B-61 Sampler <br /> Hallow Stem, Continuous Flight Type: Cal. Modified Split Spoon 2-1/211 DD <br /> AagAr 3"I.DD— 140 Tabs P 30" dro <br /> San Joaquin County ltealth Dept. <br /> Samples Agency: <br /> Fagged Inspector: Mike Infurna <br /> by: MAPIM CEG 1380 US <br /> Sample Sample Blows Depth - <br /> of Soils <br /> No. De th foot Feet CS Descri tion Red-brown; Moist; Friable <br /> B-1-11 24-1/2 66 24 SW Medium SP.ND; <br /> -25 Non-plastic; Stro-sig odor; No staining* <br /> 100% recovery; Vapor reading - 4,000 ppm <br /> 25 <br /> 26 <br /> 27 <br /> a-1-12 27- 36 SW Medium SAND; Brown-grey brown with some <br /> 27_1/2 red-orange mottles; Very moist; Friable; <br /> Non plastic; Strong odor; No staining; <br /> 100% recovery; Vapor reading - 4,100 ppm <br /> 28 <br /> 29 <br /> 30 <br /> 31 Clayey very fine SAND; Olive-grey; Very <br /> B-1-13 31- SC moist; Friable; Medium plasticity; Slight <br /> 31-1/2 odor and staining; Bottom of sampler wet; <br /> 100% recovery; Vapor reading - 0 ppm <br /> Boring Terminated at 31-1/2' <br /> Elevation (MSL) <br /> epth to Initial Static <br /> Ground Water:31-1 2' a II Por Well/Boring <br /> Total Depth of Type of Backfill/ Typ pe mit No• 91-1435 j <br /> Borin Well:31-1 2' Sanitar Seal: Cement <br />