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i <br /> � SEQUOIA ANALYTICAL <br /> RECEIVED SSP 1 1__3 <br /> 1900 Bates Avenue • Suite LM • Concord,California 94520 <br /> (510) 686-9600 FAX (510) 686-9689 <br /> j....,+. ,,. ,.t . w; ,Y.s:.,nr...,v °r�r`�f.�,�t y.,.,y..,µK�`�f:�F;r ^"y sxVF '=A''=A' .s`r�.o..4f„c; •S",wd"~ x�vJ-C.vv`c` Vr �v`` <br /> ouz Associates Client i�r"o""lett TD rvArco'#21�b, Stocon sampled Aug �;��193 ; <br /> 1855 Gateway Blvd , Ste 770 Sample Matrix Soil Received Aug 20, 1993 } <br /> Concord, CA 94520 Analysis Method- EPA 5030/8015/8020 Reported Sep 2, 1993; <br /> {Attention Paul Supple First Sample# 308-0807 v X v <br /> rt v �,. • V %�v:�vN� h , n�t , v.vx <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br />' Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit I.D. l D. l D I.D. I.D I.D. <br /> mg/kg 308-0807 308-0808 308-0809 308-0810 308-0811 308-0812 <br /> T1A T1B T2A T2B T3A T3B <br /> Purgeabie <br />' Hydrocarbons 10 4,000 N D 3,400 N D 16 N D <br /> Benzene 0 005 1 7 N D 24 N D N D N D <br /> 1 <br /> Toluene 0 005 120 N D 38 N D 00073 N D <br /> Ethyl Benzene 0 005 100 N D 50 N D N D N D <br /> Total Xylenes 0 005 620 N D 330 N D 0 031 N D <br />' Chromatogram Pattern Gasoline -- Gasoline -- Gasoline -- <br /> 1 <br /> Quality Control Data <br /> Report Limit Multiplication Factor 250 1 0 250 10 1 0 10 <br /> Date Analyzed 8/31/93 8/31/93 8/31/93 8/31/93 9/1/93 8/31/93 <br /> Instrument Identification HP-4 HP-4 HP-4 HP-2 HP-4 HP-2 <br /> Surrogate Recovery, % 88 91 86 99 98 97 <br /> (OC Limits = 70-130%) <br /> Pur eable Hydrocarbons are quantitated against afresh gasoline standard <br /> Analytes reported as N D were not detected above the stated reporting limit <br /> SEQUOIA A YTICAL <br /> Kenneth K F Lee <br /> Laboratory Director <br /> 3080807 ROU <I> <br />