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Sequoia 680 Chesapeake DrLVe Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988-9673 <br /> Analytical 819 Sinker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-Ot00 <br /> 1455 McDowell Blvd North Ste D Petaluma CA 94954 (707)792-1865 FAX(707)792-0342 <br /> Gettler-Ryan-Sac Project Chevron 9-3232,Stockton,CA Sampled 10/29/98 to 10130198 <br /> 3164 Gold Camp Dr,Ste 240 Project Number 346463 01 Received 10/30/98 <br /> Rancho Cordova,CA 95670 Project Manager Todd Del Frate Reported 11/10/98 11/13/98 <br /> I otal Purgeable Hydi ocat bons (C6-C12),BTEX and MTBE by DHS LUFT/Quality Control <br /> Sequoia Analytical -Sacramento <br /> Date Spike Sample QC Reporting Linut RCCDV R13D RPD <br /> Analyte Analysed Level Result Result Units Recov Limits % limit % Notes* <br /> Batch. 8110061 Date Prepared. 1 115/98 Extraction Mc 1 ' S 3 i <br /> Blank 8110061-BL K I <br /> Purgeable Hydrocarbons 11/5/98 ND mg/kg 1 00 <br /> Benzene IND 0 00500 <br /> Toluene ND 000500 <br /> Ethylbenzene ND 000500 <br /> Xylenes(total) ND 000500 <br /> Methyl tert-butyl ether ND 00500 <br /> Sraiogate a a a lriflitoeotolucne 0200 0 186 600-140 930 <br /> LCE 8110061-BSI <br /> Benzene 11/5/9s 0200 0203 mg/kg 700-130 101 <br /> Toluene 0200 0 194 700-130 970 <br /> Ethylbenzene 0200 0 191 700-130 95 5 <br /> IWlenes(total) 0 600 0 574 700-130 95 7 <br /> thy]tert-butyl ether 0200 0201 700-130 101 <br /> Surrogate a a a-Trtfluorotoluene 0200 0200 600-140 100 <br /> Matt iliv 811ego I-MSl 5810352-02 <br /> Benzene 11/5/98 0200 ND 0 177 nag/kg 600-140 885 <br /> Toluene 0 200 ND 0 170 600-140 850 <br /> Ethylbenzene 0 200 ND 0 172 600-140 860 <br /> Xylenes(total) 0 600 ND 0526 600-140 877 <br /> Methyl tert-butyl ether 0200 ND 0 166 600-140 83 0 <br /> Surrogale aaa-7t rfluoi olohrufc 0200 0201 600-140 101 <br /> Matrt.r Snike Du 8110061-MSDI S810352-02 <br /> Benzene 11/5/98 0200 ND 0 181 mg/kg 600-140 905 25 0 2 23 <br /> Toluene 0200 ND 0 176 600-140 88 0 25 0 347 <br /> Ethylben7ene 0200 ND 0 176 600-140 88 0 25 0 230 <br /> Xylenes(total) 0 600 ND 0 532 600-140 88 7 25 0 1 13 <br /> Methyl tert-butyl ether 0200 ND 0 177 600-140 88 5 25 0 641 <br /> Surrogate aaa-I t ri lum otolxcnc 0200 0209 600-140 105 <br /> Batch, 8110084 Datc Frenared. 1116198 Extraction McIliod -LI PA 5030B(McQll) <br /> Blank 8110084-B L K 1 <br /> Purgeable Hydrocarbons 11/9/98 ND mg/kg 1 00 <br /> Benzene ND 000500 <br /> Toluene ND 000500 <br /> Ethylbenzene ND 000500 <br /> Xylenes(total) ND 000500 <br /> ethyl tert-butyl ether ND 00500 <br /> Sequoia. <br /> 0500Sequoia. nalytical-Sacramento *I?efcr to etrd of tepott for text of notes and de/intltons <br /> I <br /> in a C Schneid6r, Laboratoty Director Page G of 9 <br /> R <br />