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f . <br /> I � <br /> October 15, 1993 <br /> Sample Log 7631 <br /> + The following abbreviations and qualifiers may be present <br /> in the analytical reports to follow:, <br /> f ug/L Micrograms of •target .analyte in 1 Liter of sample. <br /> mg/kg : Milligrams of target analyte in 1 kg of sample. <br /> ! B This data qualifier indicates thatta method blank <br /> I <br /> 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 /> i <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 thatothe 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. 4 <br /> � I <br /> TCLP Toxicity Characteristic Leaching Procedure <br /> MS Matrix Spike <br /> f MSD Matrix Spike Duplicate. <br /> RPD Relative Percent Difference (the difference between <br /> two values divided by the mean; expressed as a percentage. <br /> ! % REC Percent Recovery (the ratio between the measured value <br /> and the expected value .for a spiked sample, expressed <br /> as a percentage. <br /> < Less than <br /> > : Greater than <br /> 1 � <br /> I <br /> 1 <br /> 3 <br /> 4 <br /> Western Environmental Science & Technology 45133 County Road 32B Davis, CA 95616 916 753-9500 FAX: 916 757-4652 <br /> Ib <br />