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PP <br />' July 31 , 1992 <br /> Sample Log 4716 <br /> The following abbreviations and qualifiers may be present <br />' in the analyti-cal 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 /> 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 /> 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 /> 1 <br /> Western Environmental Science & Technology • 45133 County Road 32B • Davis CA 95616 • 916 753-9500 • FAX 916 757-4652 <br />