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a <br /> Certificate of Analysis No. 9410007-01 <br /> EZ Serve Inc. <br /> 2550 North Loop West, #600 <br /> Houston, TX 77292 <br /> ATTN: Brian Cobb DATE: 10/10/94 <br /> PROJECT: EZ Serve #100878 PROJECT NO: 1565-04 <br /> SITE: Manteca, California MATRIX: SOIL <br /> SAMPLED BY: Brown & Cadwell DATE SAMPLED: 09/27/94 08:33:00 <br /> SAMPLE ID: MW-7 DATE RECEIVED: 09/30/94 <br /> ANALYTICAL DATA <br /> PARAMETER RESULTS DETECTION UNITS <br /> LIMIT <br /> BENZENE ND 1 P ug/L <br /> TOLUENE ND 1 P µg/L <br /> ETHYLBENZENE ND 1 P µg/L <br /> TOTAL XYLENE ND 1 P Ag/L <br /> TOTAL VOLATILE AROMATIC HYDROCARBONS ND µg/L <br /> Surrogate % Recovery <br /> 1,4-Difluorobenzene 94 <br /> 4-Bromofluorobenzene 35 « <br /> METHOD 8020*** <br /> Analyzed by: JZL <br /> Date: 10/09/94 <br /> Petroleum Hydrocarbons - Gasoline ND 0. 1 P mg/L <br /> Surrogate $ Recovery <br /> 1,4-Difluorobenzene 96 <br /> 4-Bromofluorobenzene 44 « <br /> Modified 8015 - Gasoline <br /> Analyzed by: JZL <br /> Date: 10/09/94 <br /> ND - Not detected. (P) - Practical Quantitation Limit <br /> t< - Recovery beyond control ' limits., <br /> Notes: *Ref: Methods for Chemical Analysis of Water and Wastes, 1983, EPA <br /> **Ref: Standard Methods for Examination of Water & Wastewater, 17th ed. <br /> ***Ref: Test Methods for Evaluating Solid Waste, EPA SW846, 3rd Ed. <br /> QUALITY ASSURANCE: These analyses are performed in accordance <br /> with EPA guidelines ,for quality assurance. <br /> r <br /> I � <br /> SPL i`California Lice�nse # 1903 " <br /> '§P-L, Inc. , - Project Manager <br /> it I' I <br /> li i , !II ' I1 I I II Ii ' � I I I IIT ill ll, I . II Ii•� r Gyl II I I I ' 'I r Ir�i I� I ill l '! rl II I rr I I I I IY II I ISI I' I I <br />