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STL Seattle <br /> s 5755 8`^Street East <br /> ISEVESTL <br /> Tacoma,WA 98424 <br /> Tel 253 922 2310 <br /> Fax 253 922 5047 <br /> www stkinc corn <br /> DATA QUALIFIERS AND ABBREVIATIONS <br /> B1 This analyte was detected in the associated method blank The analyte concentration was determined not to be <br /> significantly higher than the associated method blank (less than ten times the concentration reported in the blank) <br /> 62 This analyte was detected In the associated method blank The analyte concentration In the sample was determined <br /> to be significantly higher than the method blank(greater than ten times the concentration reported in the blank) <br /> C1 Second column confirmation was performed The relative percent difference value (RPD) between the results on the <br /> two columns was evaluated and determined to be <40% <br /> C2 Second column confirmation was performed The RPD between the results on the two columns was evaluated and <br /> determined to be > 40% The higher result was reported unless anomalies were noted <br /> M GCIMS confirmation was performed The result derived from the original analysis was reported <br /> D The reported result for this analyte was calculated based on a secondary dilution factor <br /> E The concentration of this analyte exceeded the Instrument calibration range and should be considered an estimated <br /> quantity <br /> J The analyte was analyzed for and positively identified, but the associated numerical value is an estimated quantity <br /> MCI. Maximum Contaminant Level <br /> MDL Method Detection Limit <br /> See analytical narrative <br /> Not Detected <br /> PQL Practical Quantitation Limit <br /> X1 Contaminant does not appear to be"typical" product Elution pattern suggests it may be <br /> X2 Contaminant does not appear to be "typical"product <br /> X3 Identification and quantitation of the analyte or surrogate was complicated by matrix interference <br /> X4 RPD for duplicates was outside advisory QC limits The sample was re-analyzed with similar results The sample <br /> matrix may be nonhomogeneous <br /> X4a RPD for duplicates outside advisory QC limits due to analyte concentration near the method practical quantitation <br /> limit/detection limit <br /> X5 Matrix spike recovery was not determined due to the required dilution <br /> X6 Recovery and/or RPD values for matrix spike(/matrix spike duplicate) outside advisory QC limits Sample was re- <br /> analyzed with similar results <br /> X7 Recovery and/or RPD values for matrix spike(/matrix spike duplicate) outside advisory QC limits Matrix interference <br /> may be indicated based on acceptable blank spike recovery and/or RPD <br /> X7a Recovery and/or RPD values for this spiked analyte outside advisory QC limits due to high concentration of the <br /> analyte in the original sample <br /> X8 Surrogate recovery was not determined due to the required dilution <br /> X9 Surrogate recovery outside advisory QC limits due to matrix Interference <br /> 0 <br /> SAS-QAM REV 14 10/2001 6 <br />