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VOLATILE AROMATIC COMPOUNDS <br /> Analytical Method: Modified EPA 8020 (BTEX) and <br /> Total Petroleum Hydrocarbons Gasoline by LUFT <br /> Preparation Method: EPA 5030 <br /> Project Pro]ect <br /> Name: N & B Wi ins Excavation Number: NS <br /> Sample Lab Pro)ect- <br /> Descrlption: GS-4 @ 4 ' ID Number: 7639A-002 <br /> Sample Date <br /> Number: 103291 Composite Sampled: NS <br /> Date Date <br /> Received: 06/05/93 Extracted: 06/07Z93 <br /> Date Batch <br /> Analyzed: 06/08/93 Number: 930607-0901 <br /> REPORTING <br /> ANALYTE CONCENTRATION LIMIT <br /> mg/Kg (Ppm) mg/Kg (Ppm) <br /> Benzene BRL 0. 0050 <br /> Toluene BRL 0. 0050 <br /> Ethylbenzene BRL 0. 0050 <br /> 1, 2-Xylene BRL 0. 0050 <br /> 1, 3-Xylene BRL 0. 0050 <br /> 1, 4-Xylene BRL 0. 0050 <br /> Total Petroleum Hydrocarbons - BRL 1, 0 <br /> Gasoline <br /> Percent Acceptance <br /> Surrogates Recovery Limits <br /> orthochlorotoluene (PID) 73 56 - 131 <br /> orthochlorotoluene (FID) 82 56 - 131 <br /> Comments: Non-target analytes are present on the chromatograph. <br /> Approved By: LAYI Date: (0110k._43 <br /> Nancy McDonald, Quality Control Chemist <br /> The cover letter and attachments are integral parts of this report. <br /> 052493btxtphgs <br /> MBT Environmental <br /> Laboratories <br /> q <br />