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71 404 N.Wiget Lane <br /> Sequoia Walnut Creek, 98 94598 <br /> -9600 <br /> �•-� +� (925)988-9660 <br /> !D- Analytical 4 FAX equ 988-9673 <br /> wwwseduoialabs.com <br /> San Joaquin Company Inc. Project: 7500 W 11th St.Steet Tracy <br /> '< 1120 Hollywood Ave.No.3 ProjectNumber: 9902.012 Reported: <br /> Oakland CA.,94602 Project Manager: Dai Watkins 26-May-00 12:24 <br /> Total Purgeable Hydrocarbons (C6-C12) and BTEX by DHS LUFT - Quality Control <br /> Sequoia Analytical -Walnut Creek <br /> Reporting Spike Source %REC RPD <br /> .'.,'Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch OE23003-EPA 5030B [PIT] <br /> lank(OE23003-BLKI) Prepared&Analyzed:23-May-00 <br /> Purgeable Hydrocarbons ND 50 ugll <br /> ._.Benzene ND 0.50 " <br /> _7 oluene ND 0,50 <br /> "''PIthylbenzene, ND 0.50 " <br /> Xylenes(total) ND 0.50 " <br /> V'::-..� gate:aaVurro uorotoluene 30,2 30.0 101 70-130 <br /> a-Tri./7 <br /> LCS(QE23003-BS1) Prepared&Analyzed:23-May-00 <br /> Benzene 18.5 0.50 ug$ 20.0 92.5 70-130 <br /> E `Zoluene 18.9 0,50 20.0 94.5 70-130 <br /> Ethylbenzene 19.0 0.50 1120.0 95.0 70-130 <br /> ._,Xylenes(total) 54,9 0.50 60.0 91.5 70-130 <br /> a,a,a-Trifhrorotoluene 28.6 " 30.0 95.3 70-130 <br /> Matrix Spike(OE23003-MSI) Source:W005331-02 Prepared&Analyzed:23-May-00 <br /> enzeae 17.7 0.50 ugll 20.0 ND 88.5 70-130 <br /> :-. <br /> ;: 'Toluene 18.2 0.50 20.0 ND 91.0 70-130 <br /> Ethylbenzene. 18.2. 0.50 20.0 ND 91.0 70-130 <br /> Xylenes(total) 52.9 0.50 60.0 ND 88.2 70-I30 <br /> urrogate;gga-Ttvfluorotoluene 278 30.0 92.7 70-130 <br /> Matrix Spike Dup (OE23003-MSDI) Source: W005331-02 Prepared&Analyzed:23-May-00 <br /> �enzene 18.4 0.50 ug/] 20.0 ND 92.0 70-130 3.88 20 <br /> f oluene 18.7 0,50 " 20.0 ND 93.5 70-130 2.71 20 <br /> Ethylbenzene 18.8 0.50 - 20.0 ND 94.0 70-130 3.24 20 <br /> =.:Xylenes(taW) 54.5 0.50 60.0 ND 90.8 70-130 2.98 20 <br /> j ui�ogmte;a,p,a-Triluorotoluene 28.2 " 30.0 94.0 70-130 <br /> i <br /> Sequoia Analytical-Walnut Creek The results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document.This analytical report must be reproduced in its entirety. <br /> Page 12 of 17 <br /> ;II I <br />