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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (650) 364 9600 rAx(650)364 9233 <br /> 404 N W18et Lane Walnut Creek,CA 94598 (St0) 988 9600 rAX(510)988 9673 <br /> �rill�► Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> Hu—i= r'7n 3.-1, s <br /> HLE!1°fiiS :r fleI.-Pi'pi upi uv!nnu »: ,I issus <br /> GeAer Ryan/Geostrateg i es Client Proj ID Chevron 9-1848, Manteca Sampled 08/25/97 <br /> 3164 Gold Camp Drive #240 Sample Descript B3 Received 08/30/97 <br /> ;H Rancho Cordova, CA 95670 Matrix LIQUID Analyzed 09/06/97 <br /> i:i Analysis Method EPA 8260 Y „ <br /> t Attention Greg Gurss, _ _ Lab Number 9708G33,1s 1 Reported 09f09197� <br /> p,nuhii: —�ssaiilLi$I h'r r � a <br /> QC Batch Number MS0905978260H6A <br /> Instrument ID H6 <br /> Analyte Detection Limit Sample Results <br /> ug/L u9/L <br /> n-Propylbenzene 20 N D <br /> Styrene 20 N D <br /> 1,1,1,2 Tetrachloroethane 20 N D <br /> 1,1,2,2 Tetrachloroethane 20 N D <br /> Tetrachloroethylene 20 N D <br /> Toluene 20 N D <br /> 1,2,3 Trichlorobenzene 20 N D <br /> 1,2,4 Trlchlorobenzene 20 N D <br /> 1,1,1 Trichloroethane 20 N D <br /> 1,1,2 Trichloroethane 20 N D <br /> Trichloroethylene 20 N D <br /> Trichlorofluoromethane 20 N D <br /> 1,2,3-Trlchloropropane 20 N D <br /> 4-Trimethylbenzene 20 N D <br /> Tri methyl benzene 20 N D <br /> yl chloride 20 N D <br /> Total Xylenes 20 N D <br /> Surrogates Control Limits% % Recovery <br /> 1,2-Dichloroethane-d4 76 114 95 <br /> Toluene-d8 88 110 96 <br /> 4-Bromofluorobenzene 86 115 103 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> ory <br /> Pr sect Managry <br /> er Page 42 <br />