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Sequoia 680 Chesapeake Drive Redwood City, CA 94063 (415) 364-9600 FAX(415) 364 9233 <br /> 404 N Wiget Lane Walnut Creek,CA 94598 (510) 988 9600 FAX(510) 986 9673 <br /> �Ily Analytical 819 Striker Avenue Scute 8 Sacramento CA 95834 (916) 921-96W FAX(916)921 0100 <br /> x y th n Oki f� S�n?� vx <br /> Deltal�nvIronmental Corrisultarrts. Cjientx foto e t ID—"" f n <br /> ctiE;ocon#T�708,Stockton, CA Sampled Feb 7,'11997,' <br /> 3164 Gold Camp Dr, Suite 200 Sample Matrix Water Received Feb 11, 1997- <br /> Rancho Cordova, CA 95670 Analysis Method EPA 5030/8020, DHS Luft Reported Feb 20, 1997' <br /> Attention C Keoni Almeida First Sample# 702-0304 <br /> .. . ` 4^.^r•.C"., ^'b.. '.{iY,t J'..v..Yn r`+vyl h...a.R 4 o w.:}„ ,.ntY.,T ,.,v ,..xt,�...t�2^�ic'.,.:�'d:f%..ai Y�txa .r ..t,.,.�d.^n C a i'Jo y.. +4*a r . f ...,.. ti} <br /> 1Lb <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit 1.1) I.D. I D. I.D. 1.13 1 D. <br /> pg/L. 702-0304 702-0305 702-0306 702-0307 702-0308 702-0309 <br /> MW-5 MW-4 MW-8 MW-6 MW-2 MW-7 <br /> Purgeable <br /> Hydrocarbons 50 N D N D N D N D N D N D <br /> Benzene 050 N D 14 N D N D _ N D N D <br /> Toluene 050 N D N D N D N D N D N D <br /> Ethyl Benzene 050 N D N D N D N D N D N D <br />. Total Xylenes 050 N D N D N D N D N D N D <br /> {j <br /> Chromatogram Pattern <br /> r ' FEB 2 5 1997 <br /> Quality Control Data -- - ----- <br /> Report Limit Multiplication Factor 10 10 10 10 1 0 10 <br /> Date Analyzed 02/12/97 02/12/97 02/12/97 02/12/97 02/12/97 02/12/97 <br /> Instrument Identlfcatlon GCHP-2 GCHP-2 GCHP-2 GCHP-2 GCHP-2 GCHP-2 <br /> Surrogate Recovery, % 104 107 102 105 104 99 <br /> (OC Limits = 60-140%) <br /> Purgeabie Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N D were not detected at or above the reporttng limit <br /> SEQUOIA ANALYTICAL, ELAP #1624 <br /> inda C Schneider <br /> Project Manager/Sacramento Laboratory <br /> 7020304 DLT ¢Z n <br />