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California Laboratory Services <br /> Continuing Calibration, Positive Analyte Summary <br /> EPA Method: BTXE/8020 <br /> Tar et Anal to Mean RF Ver RF %Diff <br /> BENZENE 135249 14.8895 10 <br /> TOLUENE 15 2400 166335 9 <br /> ETHYL BENZENE 205778 22.5109 9 <br /> m, -XYLENE 12.6827 139325 10 <br /> o-XYLENE 189650 205188 8 <br /> Acceptance Criteria %Difference must be less than or equal to 15% <br /> Checked against acceptance criteria by � . <br /> File Name CCV WQ1 <br /> i <br />