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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 /> Al—More than one compound of similar molecule structure was identified with equal probability. <br /> b-The analyte was spiked at a level that was less than five times that present in the sample. Matrix <br /> spike recoveries may not be meaningful. <br /> ca-The calibration results for this range fell outside of acceptance criteria. The value reported is an <br /> estimate. <br /> c-The presence of the analyte indicated may be due to carryover from previous sample injections. <br /> d-The sample was diluted. Detection limits may be raised due to dilution. <br /> ds -The sample was diluted. Detection limits are raised due to dilution and surrogate recoveries may <br /> not be meamngful. <br /> tdv- Insufficient sample was available to achieve normal reporting limits and limits are raised <br /> accordingly. <br /> fb -The analyte indicated was found in the method blank. The result should be considered an estimate. <br /> fc—The compound 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. The variability is attributed to sample inhomogeneity. <br /> ht-The sample was extracted outside of holding time. Results should be considered estimates. <br /> ip -Recovery fell outside of normal control limits. Compounds in the sample matrix interfered with the <br /> quantitation of the analyte. <br /> j—The result is below normal reporting limits. The value reported is an 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 analyte result in the laboratory control sample is out of control limits. The reported <br /> concentration should be considered an estimate. <br /> jr -The rpd result in laboratory control sample associated with the analyte is out of control limits. The <br /> reported concentration should be considered an estimate. <br /> js -The surrogate associated with the analyte is out of control limits. The reported concentration should <br /> be considered an estimate. <br /> lc- The presence of the compound indicated 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 /> pc—The sample was received in a container not approved by the method. The value reported should be <br /> considered an estimate. <br /> pr-The sample was received with incorrect preservation. The value reported should be considered an <br /> estimate. <br /> ve -The value reported exceeded the calibration range established for the analyte. The reported <br /> concentration oul considered mate. <br /> vo co -The ra value reported fellns outside thane controlesti limits established for this analyte. <br /> x-The pattern of peaks present is not indicative of diesel. <br /> y -The pattern of peaks present is not indicative of motor oil. <br /> ' 6 <br />