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Nequola oSV t-nesapeake thlve Kedwood Uty,kA 94063 (650) 364-9600 FAX(650)364 9233 <br /> � 404 N Wiget Lane Walnut Creek CA 94598 (510) 9 8 9600 FAX(610)988 9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento,U 95834 (916) 921-9600 FAX(916)921 0100 <br /> , <br /> COR International Project Unocal 8671,Stockton,CA Sampled 5/14198 <br /> 12 Busincss Park Dnve,Ste 100 project Number NIA Rcceived 5/15/98 <br /> Sacramento,CA 95827 Project Manager Rusty BcnkoskReported 6/1/98 <br /> Total kurg,$abl�.11$ft <br /> Datc Spike Sample QC Repotting L mlt Recov RPD "D <br /> "a, Analyzed Le--el Result Result Units Rvcov LiOnts % Limp % Notes" <br /> Bakb. $95-0249- Date Prepared: 5r_._ZI_9R_ lExtraction Methud.'EPA 593 OB(MrDID <br /> Blank 809024 -JU,Kl <br /> Purgeable Hydrocarbons 5/22198 ND mgft 1.00 <br /> Benzene ND 0.00500 <br /> Toluene ND 0 00500 <br /> Ethylbenzcnc ND " 0 0000 <br /> Xylcnes(total) ND 000300 <br /> Methyl tert-butyl ether _ ND 0,000 <br /> Surrogare a,a,a-Teouorotoluene 0200 0191 -- - 600-140 955 <br /> LIS 9050249-BS1 <br /> Benzene 5122/98 0200 0 188 mg/kg 700-130 940 <br /> Toluene 0200 0 173 700-130 865 <br /> Elhylbenzene 0200 0 178 700-130 89 0 <br /> Xylenes(total) " 0 600 0 540 700-130 900 <br /> Methyl tert-butyl ether 0200 0 175 700-130 875 <br /> Surrogate a a,a-Trtf1'uororoluene " 0200 0187 600-140 93 S <br /> $454249-ff 5803199-00 <br /> Benzene 5122198 0200 ND 0 192 mg/kg 60 0-1 40 960 <br /> Toluene 0200 ND 0 183 60 0440 915 <br /> Ethylberizenc " 0200 ND 0 192 600-140 96 0 <br /> Xylenes(total) 0 600 ND 0 578 60 0-140 963 <br /> Methyl tert-butyl ether " 0200 402 434 600-140 160 3 <br /> Surrogate a,a,a-Tnfluoroioluene " 0200 0187 60 0- 40 93 5 <br /> Matrix SplkcDun 8050249-MSDI 5805199-00 <br /> Bement 5/22198 0200 ND 0 193 mg/kg 600-140 96-5 250 0 519 <br /> Toluene 0 200 ND 0 183 60 0- 40 915 250 0 <br /> Ethylbenzene 0200 ND 0 193 600-140 965 250 0 519 <br /> Xylcncs(total) 0 600 ND 0 579 600-140 965 25 0 0207 <br /> Methyl tent-butyl other 0200 402 428 600-140 130 25 0 207 <br /> Surrogate a,a,a-Trifluorotoluene 0200 0187 600-140 93 5 <br /> IWuoN <br /> ;Analytical-Sa ento +Refer to end of moport for raw of notes and definitions <br /> C Schnei er,Laboratory Director Page 6 of 9 <br /> 92 ZT 96, ee- -inr Led 6LL S 1HOI1A-1dNd uionmS 0OTOT?-6916 <br />