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TABLE 1: QUALITY ASSURANCE DATA MAY 1�. 1991' <br /> EPA METHOD 8020 -- AROMATIC VOLATILE ORGANICS (SR58) <br /> Chain of CusCody Da Ca Required for`ETC Da Ca NanagemenC;Summary ReporCs <br /> See Below ... <br /> ET'G Batch N6 <br /> Q <br /> CBI <br /> Blank and $p <br /> Eked Dada QG !latrfx Spike QC Duplicate . <br /> Blank 606ei n; Unaplked Coricen' X: <br /> Compound Concert :'Added Recov Sample Added::. Recov FirsC Second :'RPD Bate <br /> mg/kg, mg/k8:, mg/kg mg/kg: rr�g/kg mg/kg <br /> h <br /> Benzene ND 1.04 90 ND 1.08 60 .644 .698 8 QA10738 <br /> Ethylbenzene ND 1.04 90 ND 1.08 71 .770 ,783 2 QA10738 <br /> Toluene ND 1.04 90 ND 1.08 63 .685 .721 S <br /> o-X lens QA10738 <br /> Y ND 1.04 90 ND 1.08 70 728 747 3 QA10738 <br /> m+p-Xylenes ND 2.08 90 ND 2.16 63 1.38 1.43 3 QA10738 <br />