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�- AN EN Inc <br /> Laboratory Numbers: A/E0391 <br /> Project: 310-01.02 <br /> _ Sample Matrix: Water <br /> Date Received: May 24, 1991 <br /> Sample Received: 40mL glass VOA vials; <4°C; no headspace. <br /> i Date of BTEX/Gas Analysis: May 25, 1991 - May 28, 1991 <br /> Date of Diesel Analysis: May 27, 1992 - May 29, 1993 <br /> Concentration in Sample expressed as ug/L (ppb) <br /> Practical <br /> Quantitation <br /> Analyte U- 4 U-5 U-6 Limit (ppb) <br /> Benzene ND 42. 17. 0.5 <br /> 3 <br /> Toluene ND 240. 6.0 0.5 <br /> Ethylbenzene ND 68. 3.0 0.5 <br /> Xylenesl ND 440. 22. 0.5 <br /> Gasoline2 ND 3,200. 240. 50. <br /> EE Diesel3 50.* 180.** 280.*** 50. <br /> I J <br /> Volatile Surrogate <br /> j - PID % Recovery 98 104 103 ( 66 - 126) <br /> FID a Recovery 98 103 105 ( 58 - 138) <br /> k <br /> 2 <br /> * Unidentified compounds in the boiling range of Diesel; calculated <br /> as Diesel per the LUFT manual method (Oct. 1989) . <br /> ** Includes only the unidentified compounds eluting after gasoline <br /> in the boiling range of Diesel; calculated as Diesel. <br /> i *** Pattern consistent with weathered Diesel. <br /> 1 Total of the Ortho, Meta, and Para isomers. <br /> 2 Total Volatile Petroleum Hydrocarbons as Gasoline. <br /> 3 Total Semi and Non-volatile Hydrocarbons as Diesel. <br /> ND = None Detected at or above the Practical Quantitation Limit. <br /> N/A = Not Analyzed <br /> J. <br /> vJv <br /> Pic <br /> 77 <br /> flr <br />