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July 12, 1993 <br /> M Sample Log 6828 <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 l kg of sample. <br /> B This data qualifier indicates that a method blank <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 /> 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 Toxicity Characteristic Leaching Procedure <br /> MS Matrix Spike <br /> 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 /> Western Environmental Science a Technoiogy • 45133 County Road 32B • Davis, CA 95616 916 753-9500 • FAX:916 757-4652 <br />