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SEQUOIA i-JULYTICAL <br /> 1900 Sates Avenue • Suite LM • Concord, California 94520 <br /> (510) 686-9600 FAX (510) 686-9689 <br /> Tank Protect Engineering of N Calif Client Project ID #209/60 Ex"10th St.Tracy Sampled Nov i2,r 1991 , <br /> 2821 Whipple Road <br /> Matrix Descnpt Soil Deceived Nov 14, 1991 <br /> ,Union City, CA 94587 Analysis Method EPA 5030/8015/8020 Analyzed Nov 25, 1991 j <br /> Attention John Mrakovich First Sample # 111-0816 Reported Dec 3, 1991 <br /> .vv r��~�`^ '" vniv iay.C}.vxnv,-r.+n rrn n rnv xin sr.,frS.W'.CC.S.kvS.vvm rcvi hHb vv.Snr! .ovxrxvrr . rr,}u v„mr:v. r,. r C ..v,x. ., nw bnGCJr. v ...q-,{v hY,..vn,vvm4,r v. <br /> TOTAL PETROLEUM FUEL HYDROCARBONS with BTEX DISTINCTION (EPA 8015/8020) <br /> Sample Sample Low/Medium B.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) (ppm) (ppm) <br /> 111-0816 ST-2 7,400 44 360 110 650 <br /> 0 <br /> Detection Limits; 100 0.50 0.50 050 0.50 <br /> !_ow to Medium Boiling Point Hydrocarbons are quantitated against a gasoline standard <br /> Analytes reported as N 0 were not present above the stated limit of detection Because matrix effects and/or other factors <br /> re uired additional sample dilution,detection pmts for this sample have been raised <br /> UOIA ANALYTICA <br /> J R MMalersteln <br /> Pr ject Manager 1110814 TPE <4> <br />