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t April 20, 1993 <br /> Sample Log 6181 <br /> The following abbreviations and qualifiers may be present <br /> in the analytical reports to follow: <br /> ug/L : Micrograms of target analyte in 1 Liter of sample. <br /> mg/kg : Milligrams of target analyte in 1 kg of sample. <br /> 8 This data qualifier indicates that a method blank <br /> i from the analytical batch contained this compound <br /> and the level found in the sample is within 5 times <br /> that level . Use data with caution. <br /> J This data qualifier indicates that the compound was <br /> detected at a level below the required reporting limit. <br /> ' E This data qualifier indicates that the compound was <br /> detected at a level above that defined by the highest <br /> level calibration standard. <br /> C This data qualifier indicates that the presence of <br /> the compound has been confirmed by GC/MS. <br /> TCLP TOxiclty Characteristic Leaching Procedure <br /> MS Matrix Spike <br /> MSD Matrix Spike Duplicate <br /> RPD Relative Percent Difference (tile difference between <br /> two values divided by the :Wean, expressed as a percentage. <br /> ' $ REC Percent Recovery {the ratio between the measured value <br /> and the expected value for a spiked bample, expressed <br /> as a percentage. <br /> ' < Lose than <br /> > Greater than <br /> Western Environmental Science S Technology • 45133 County Road V6 • Dav+s, CA 95616 • 916753-9500 FAX 916 757-465,2 <br />