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FRIEDMAN & BRUYA, INC. <br /> ENVIRONMENTAL CHEMISTS <br /> Data Qualifiers & Definitions <br /> a-The analyte was detected at a level less than five times the reporting limit. The RPD results may not <br /> provide reliable information on the variability of the analysis. <br /> b-The analyte was spiked at a level that was less than five times that present in the sample. Matrix spike <br /> recoveries may not be meaningful. <br /> ca-The calibration results for the analyte were outside of acceptance criteria,biased low; or the calibration <br /> results for the analyte were outside of acceptance criteria,biased high, with a detection for tie analyte in the <br /> sample. The value reported is an estimate. <br /> c- The presence of the analyte may be due to carryover from previous sample injections. <br /> of-The sample was centrifuged prior to analysis. <br /> d-The sample was diluted. Detection limits were raised and surrogate recoveries may not be meaningful. <br /> dv-Insufficient sample volume was available to achieve normal reporting limits. <br /> f-The sample was laboratory filtered prior to analysis. <br /> fb-The analyte was detected in the method blank. <br /> fe-The analyte is a common laboratory and field contaminant. <br /> hr-The sample and duplicate were reextracted and reanalyzed. RPD results were still outside of control <br /> limits. Variability is attributed to sample inhomogeneity. <br /> hs-Headspace was present in the container used for analysis. <br /> ht—The analysis was performed outside the method or client-specified holding time requirement. <br /> ip -Recovery fell outside of control limits due to sample matrix effects. <br /> j -The analyte concentration is reported below the standard reporting limit. The value reported is an <br /> estimate. <br /> J -The internal standard associated with the analyte is out of control limits. The reported concentration is <br /> an estimate. <br /> jl-The laboratory control samples)percent recovery and/or RPD were out of control limits. The reported <br /> concentration should be considered an estimate. <br /> js-The surrogate associated with the analyte is out of control limits. The reported concentration should be <br /> considered an estimate. <br /> k—The calibration results for the analyte were outside of acceptance criteria,biased high, and the analyte <br /> was not detected in the sample. <br /> lc - The presence of the analyte is likely due to laboratory contamination. <br /> L-The reported concentration was generated from a library search. <br /> nm-The analyte was not detected in one or more of the duplicate analyses. Therefore, calculation of the <br /> RPD is not applicable. <br /> pe-The sample was received with incorrect preservation or in a container not approved by the method. The <br /> value reported should be considered an estimate. <br /> ve - The analyte response exceeded the valid instrument calibration range. The value reported is an <br /> estimate. <br /> vo -The value reported fell outside the control limits established for this analyte. <br /> x-The sample chromatographic pattern does not resemble the fuel standard used for quantitation. <br /> 6 <br />