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SEQUOIA ANALYTICAL <br /> 1900 Sates Avenve e Suite LM e Concord. California 04520 <br /> (415)686-9600 0 FAX(415)686-9689 <br /> Oct 24, 1990 <br /> Delta Environmental Consultants <br /> I Oct 25, IM <br /> 3330 Data Drive Oct 25, 1990� <br /> Rancho CordM CA 95670 <br /> Attention: Steve Meese Oct 29. 1 M��l <br /> ..... ..... <br /> P. TOTAL PETROLEUM FUEL HYDROCARBONS with BTEX DISTINCTION(EPA 8015/8020) <br /> Sample Sample Low/Medium B.P. Fillyl <br /> Number Description Hydrocarbons Benzene Toluene Benzene Xylenes <br /> ug/L Pg/L pg/L jug/L pg/L <br /> (ppb) (ppb) (ppb) (ppb) (ppb) <br /> 010-M6A-B MW-6 N.D. N.D. N.D. N.D. N.D. <br /> 010-0637A-B mw-t 300 2.2 N.D. N.D. 1.3 <br /> 010-0638 A-B MW-5 870 220 22 38 36 <br /> olo-0639A-B FAW-8 16.000 6.830 ISO 140 170 <br /> 010-064DA-8 MW-9 110,000 20,000 25,GM 2,200 13,000 <br /> [Detection Limits: 30 0.30 0.30 0.30 0.30 <br /> Low to Medium Boiling Point Hydrocarbons are quanfltaied against a gasoline standard. <br /> Analytes reported a3 RD.Wero not present above the stated limit of datmion. <br /> SE01.101A ANALYTICAL <br /> �—'Aua R.Malerstain IOD&M.DLT <1> <br /> 1ject Manager <br />