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1. <br /> Certificate of Analysis No. 9406842-04 <br /> E-Z Serve, Inc <br /> 2550 North Loop West, # 600 <br /> Houston, TX 77292 <br /> ATTN Brian Cobb DATE 06/28/94 <br /> PROJECT: E-Z Serve #100878 PROJECT NO: <br /> SITE: 1012 W Yosemite Dr , Manteca MATRIX: WATER <br /> SAMPLED BY: Remedial Engineering DATE SAMPLED: 06/15/94 18 55 : 00 <br /> SAMPLE ID: MW-3 DATE RECEIVED: 06/17/94 <br /> ANALYTICAL DATA <br /> PARAMETER RESULTS DETECTION UNITS <br /> LIMIT <br /> BENZENE 46 1 P Ag/L <br /> TOLUENE 370 1 P Ag/L <br /> ETHYLBENZENE 61 1 P ug/L <br /> TOTAL XYLENE 340 1 P µg/L <br /> TOTAL VOLATILE AROMATIC HYDROCARBONS 817 µg/L <br /> Surrogate $ Recovery <br /> 1, 4-Difluorobenzene 101 <br /> 4-Bromofluorobenzene 101 <br /> • METHOD 8020*** <br /> Analyzed by LFD <br /> Date 06/26/94 <br /> Petroleum Hydrocarbons 1 9 0 10 P mg/L <br /> Modified 8015 - Gasoline <br /> Analyzed by- LFD <br /> Date 06/26/94 <br /> (P) -- Practical Quantitation Limit <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, EPAISW846, 3rd Ed <br /> 1 4 <br /> r <br /> f , <br /> I' <br /> I I i i <br /> � r � <br /> QUALITY ASSURANCE: These analyses are performed in accordance <br /> with EPA guidelines for quality assurance <br /> I <br /> I SPL' California License # !1903 <br /> I <br /> { I I <br /> i � SPL, Inc. , - Project Manager II ;, III <br /> II i � r <br /> �y ! r4� fl II <br /> r I I I r fl I I r l III I � � I I' I II �"`I IF rf I I I 'liar <br />