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Page 7 of 12 <br />aiscience <br />4-pwronmental Glossary of Terms and Qualifiers <br />aboratories, inc. 4 1 <br />Work Order Number: 12-04-1177 <br />Qualifier <br />Definition <br />AZ <br />Surrogate compound recovery was out of control due to matrix interference. The <br />associated method blank surrogate spike compound was in control and, therefore, the <br />sample data was reported without further clarification. <br />B <br />Analyte was present in the associated method blank. <br />BA <br />The MS/MSD RPD was out of control due to matrix interference. The LCS/LCSD RPD <br />was in control and, therefore, the sample data was reported without further clarification. <br />BB <br />Spike recovery and RPD control limits do not apply resulting from the parameter <br />concentration in the sample exceeding the spike concentration by a factor of four or <br />greater. <br />BU <br />Sample analyzed after holding time expired. <br />DF <br />Reporting limits elevated due to matrix interferences. <br />E <br />Concentration exceeds the calibration range. <br />ET <br />Sample was extracted past end of recommended max. holding time. <br />GE <br />The PDS/PDSD or PES/PESD associated with this batch of samples was out of control <br />due to a matrix interference effect. The associated batch LCS/LCSD was in control and, <br />hence, the associated sample data was reported without further clarification. <br />HD <br />Chromat. profile inconsistent with pattern(s) of ref. fuel stnds. <br />HO <br />High concentration matrix spike recovery out of limits <br />HT <br />Analytical value calculated using results from associated tests. <br />HX <br />Recovery of the Matrix Spike (MS) or Matrix Spike Duplicate (MSD) compound was out <br />of control due to matrix interference. The associated LCS and/or LCSD was in control <br />and, therefore, the sample data was reported without further clarification. <br />IL <br />Relative percent difference out of control. <br />J <br />Analyte was detected at a concentration below the reporting limit and above the <br />laboratory method detection limit. Reported value is estimated. <br />LD <br />Analyte presence was not confirmed by second column or GC/MS analysis. <br />LP <br />The LCS and/or LCSD recoveries for this analyte were above the upper control limit. The <br />associated sample was non-detected. Therefore, the sample data was reported without <br />further clarification. <br />LQ <br />LCS recovery above method control limits. <br />LR <br />LCS recovery below method control limits. <br />ND <br />Parameter not detected at the indicated reporting limit. <br />QO <br />Compound did not meet method -described identification guidelines. Identification was <br />based on additional GC/MS characteristics. <br />RU <br />LCS/LCSD Recovery Percentage is within Marginal Exceedance (ME) Control Limit <br />range. <br />SG <br />A silica gel cleanup procedure was performed. <br />SN <br />See applicable analysis comment. <br />U <br />Undetected at detection limit. <br />Solid - Unless otherwise indicated, solid sample data is reported on a wet weight basis, not <br />corrected for % moisture. All QC results are reported on a wet weight basis. <br />MPN - Most Probable Number <br />7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL:(714) 895-5494 • FAX: (714) 894-7501 <br />