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680 Chesapeake Dnve Redwood City,CA 94063 (415) 364 9600 FAX(415) 364 9233 ' <br /> Sequoia 404 N Wiget Lane Walnut(PS& Analytical <br /> Creek,CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> l 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)911 0100 <br /> j <br /> Sampled :7/17/98 <br /> 5198 <br /> Cambria Environmental-Oakland Project Shell,341 East Main St,Ripon CA P <br /> Received1144 65th Street,Ste C Project Number NIA Re orted198 <br /> Project Manager Owen Ratchye <br /> Oakland,CA 94608 <br /> 'Ctrol <br /> " s� Total Purgealule'Hyilrocarbons(C6;C12)an�1BTEX liyjDHS%1UFT/Qua11tyon <br /> ,,k,I , <br /> r,;` : ,�iSequoxa`An$lyttcal�a AS.ramento',t�'�;,�,i�� <br /> Date Spike Sample Q <br /> C Reporting Limit Recov �IRPD RFD , <br /> Analyte Analyzed Leve] Result Result Units Recov Limits % % Notes* <br /> 1 <br /> Blank 7/2819 ND mg/kg 100 <br /> Purgeable Hydrocarbons ND 000500 <br /> Benzene ND 000500 <br /> Toluene ND 000500 <br /> Ethylbenzene ND 000500 <br /> Xylenes(total) Q 200 0208 600-140 104 <br /> Surrogate a,a,a-Trifluoro oluene <br /> [,C'S 71281 9�� 0 200 0 190 mg/kg 700-130 95 0 ' <br /> Benzene 0200 0 182 700-130 91 0 <br /> Toluene 0 200 0 182 " 700-130 910 <br /> Ethylbenzene 0 600 0 544 700-130 907 <br /> Xylenes(total) 0 200 0205 IF <br /> 60 0 140 102 <br /> Surrogate a a a-Tri,Jluorotoluene ° <br /> $070351-hM � 60 0-140 95 0 � <br /> Matrix 7128198 0200 ND 0 190 mg/kg ei <br /> Benzene 0200 ND 0202 600-140 101 <br /> Toluene 185 " 600-140 92 5 <br /> Ethylbenzene �i 0 200-ND-0600-140 92 0 <br /> Xylenes(total) 0 600 ND 0 552 " <br /> 0 200 0 202 600-140 101 <br /> Surrogate a a,a-Trijluorotoluene <br /> , ' <br /> u $$0t 7185-02 <br /> LyggSpike Du7128198 - 0200 ND 0187 mig� 600-140 935 25 0 159 <br /> Benzene 0200 ND 0180 <br /> g 600-140 900 25 0 115 ' <br /> Toluene 600-140 910 25 0 163 <br /> Ethylbenzene 0 200 ND 0 182 <br /> ND 0 545 600-140 9o8 250 131 <br /> Xylenes(total) 0 600 0 200 0 199 600-140 995 <br /> Surrogate a,a,a-Trrjluorotoluene <br /> , ' <br /> i <br /> I <br /> 1 <br /> *Refer to end of report for text ojnotes and definitions <br /> Sequoia A lytical-Sacramento <br /> Page 13 of 16 <br /> inda C Schneider,Laboratory Director <br />