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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (650) 364 9600 FAX(150)314 9233 <br /> 404 N Striker <br /> A (.ane Walnut Creek,CA 94598 (510) 998 9600 F <br /> 73 <br /> 1%W Analytical 819$triktrAvenue,5urte 8 Sacramento,CA 95834 AX(516) 981 9100 <br /> (916) 9Z f 9600 FAX{916}9Z 1 0100 <br /> x+rr i:r rr„:r ri rrs : r r r r r I <br /> -' Gettler Ryan/Geostrate les r ' <br /> 113164 Gold Camp Drive #240 Client e D c Chevron 9-1848, Manteca Sampled 08/25/97 <br /> ! Rancho Cordova, CA 95670 Sample Descrlpt B1-15 5 Received 08/30/97 <br /> - Matrix SOLID Extracted 09/20/97 <br /> ;Attention GregGurss Analysis Method 8015Mod/8020 <br /> Lab Number 9709993-02 Analyzed 09/22/97 <br /> jrr r „ r r , Reported 10/27197 <br /> QC Batch"Number G b092097 BTEXEXA <br /> Instrument ID GCHP07 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) With BTEX <br /> Analyte <br /> Detection Limit Sample Results <br /> TPPH as Gas mg/Kg mg/K9 <br /> Benzene 1 0 N D <br /> Toluene 00050 N D <br /> Ethyl Benzene 00050 N D <br /> Xylenes (Total) 00050 <br /> Chromatogram Pattern 00050 N DN D <br /> Surrogates /o <br /> Control Limits % a <br /> Trifluorotoluene Recovery <br /> 4-Bromofluorobenzene 70 130 97 <br /> 60 140 88 <br /> • <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> 0®re*cglbry ��� <br /> Project Manager <br /> Page 2 <br /> IR <br />