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VOLATILE AROMATIC COMPOUNDS <br /> Analytical Method: Modified EPA 8020 (BTEX) <br /> Preparation Method: SPA 5030 <br /> Project Project <br /> Name: N & B Wiqgins 1/4 Number: NS <br /> Sample Lab Project- <br /> Description: MW-2 ID Number: 7639-006 <br /> Sample Date <br /> Number: 213972 Sampled: 06/04(93 <br /> Date <br /> Date <br /> Received: 06/05/93 Analyzed: 06 09 93 <br /> REPORTING <br /> ANALYTE CONCENTRATION LIMIT <br /> ug/L (ppb) ug/L (ppb) <br /> Benzene 9 .5 (a) 5. 0 <br /> Toluene BRL 0. 50 <br /> Ethylbenzene 0.92 0. 50 <br /> 1,2-Xylene BRL 0. 50 <br /> 1, 3-Xylene (b) 0. 50 <br /> 1, 4-Xylene 6.9 0. 50 <br /> Percent Acceptance <br /> Surrogate Recovery Limits <br /> a,a,a-Trifluorotoluene 101 80 - 120 <br /> Comments: (a) The data is reported from a different analytical run <br /> on 06/11/93 at a 10 fold dilution to obtain a result <br /> within linear range. <br /> (b) Coelutes with 1,4-Xylene. <br /> Approved By: Date: <br /> Nancy McDonald, Quality Control Chemist <br /> The cover letter and attachments are integral parts of this report. <br /> 052493btexw <br /> MBT Environmental , <br /> Laboratories ��� � <br />