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♦ y A r, , <br /> ,. r� y <br /> VOLATILE AROMATIC COMPOUNDS <br /> MODIFIED EPA METHOD 8020 (BTER) <br /> AND <br /> TOTAL VOLATILE HYDROCARBONS <br /> Lab Project <br /> Project: ?235 E Cherokee Road Number: 2576 <br /> Sample Lab TD <br /> Location: 1-West Number: =- <br /> Sample Date <br /> Number: 40431 Received: 12/21!89 <br /> .. Date Date <br /> Sampled.: 12/21/89 Analyzed: 12128/89 <br /> ANALYTE REPORTING <br /> `f COMPOUND CONCENTRATION LIMIT <br /> 4 ug/g ug/4 <br /> ' r (Ppm) (ppm) <br /> BRL <br /> 20. <br /> r Benzene <br /> x <br /> Toluene BRL 20. <br /> Ethyl Benzene BRL 20. <br /> p-Xylene BRL * 20. <br /> ( ' m-Xylene BRL * 20. <br /> Re' <br /> o-Xylene BRL .* 20. <br /> Total Volatile Hydrocarbons BRL 1000 <br /> Surrogate recovery (percent) :. <br /> a ,a-Trifluorotoluene 113 <br /> rr <br /> Pcomments: 1.1000 ,dilution required due to heavy late eluting <br /> matrix interference. <br /> � * m-xylene, p-xylene and o-xylene recovered at 29 ppm, 6 ppm, <br /> , and 15 -ppm respectively, which is belcw reporting limit. <br /> Approved. By; / --- Date: 12/28/89 <br /> > - <br /> - A. Putnam. <br /> ,.zli <br /> .. = = McLaren <br />