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SEQUOIA WNALYTICAL <br /> 1900 Sates Avenue • Suite LM • Concord, California 94520 <br /> (510) 686-9600 FAX (510) 666-9689 <br /> Tank Protect Engineering of N.Calif. Client Project ID: #209/60 E. 10th St:, Tracy Sampled: Nov 12, 1991 <br /> ``2821 Whipple Road Matrix Descript: SoilReceived: Nov 14, 991 <br /> `.Union City, CA 94587 Analysis Method:. EPA 5030/8015/8020 Analyzed: Nov 25, 1991;;: <br /> `,'.'Attention: John Mrakovich First Sample#: 111-0815 Reported: Dec 3, 1991::' <br /> �,.. .,..::..,vA:.:.:.:A.,....:.:.1.:..r:.:.. ..:.x:.x::.:..... <br /> ..............} : : .....C....-............t..........l:r:n:•::{.i::.:.n.::.:.v:. ....:i.':r:::.�:.-...vx..:w.w.vp{p:: <br /> .:N....rnr...x.../.-....wx..:a?. .:xw.v' ........ ................ ...w.:v ... Vr.. ..r. ....... :...:.:.::.:::::: r.::::-.: <br /> :. :v. .4..v.v.....nV.......v.....vn..V.n............:\-..._-.....u..........4...w1...xx.J...... :.::w::::::::... .....:..:.:.:: ..:.:}:::u:i:v.;{:r <br /> .:..r...e......n.....................x....v.....:....n... .........n..............e....v.v..t..........:x......r..x..vi:i}.{::.......V <br /> TOTAL PETROLEUM FUEL HYDROCARBONS with BTEX DISTINCTION (EPA.8015/8020) <br /> Sample Sample Low/Medium S.P. Ethyl <br /> Number Description Hydrocarbons Benzene Toluene Benzene Xylenes <br /> mg/kg mg/kg mg/kg mg/kg mg/kg <br /> (ppm) (ppm) (ppm) (pp(n) (ppm) <br /> 111-0815 ST-1 2,500 16 120 38 270 <br /> 1 <br /> .I <br /> Detection Limits: 50 0.25 0.25 0.25 0.25 <br /> Low to Medium Boiling Point Hydrocarbons are quantitated against a gasoline standard. <br /> Analytes reported as N.D.were not present above the stated limit of detection. Because matrix effects and/or other factors <br /> required additional sample dilution,detection limits for this sample have been raised. <br /> SEQUOIA ANA YT1CA <br /> u a R. Malerstein <br /> r ject Manager 1110814.TPE <3> <br />