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STL Seattle <br /> 5755 a Street East . . <br /> Tacoma,WA 99424 <br /> + Tel: 253 922 2310 ,.•:,.. . . . . <br /> Fax 253 922 5047 <br /> xxMPr.slm4nc.00+6 <br /> DATA QUALIFIERS AND ABBREVIATIONS <br /> 131: This analyte was detected in the associated method blank The analyte concentration was determined not <br /> to be significantly higher than the associated method blank (less then ten times the concentration reported <br /> in the blank). <br /> 132: This analyte was detected in the associated method blank. The analyte concentration in the sample was <br /> determined to be significantly higher than the method blank (greater than ten times the concentration <br /> reported in the blank), <br /> Cl: Second column confirmation was performed. The relative percent difference value (RPD) between the <br /> results on the 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 <br /> evaluated and determined to be >40%. The higher resultwas reported unless anomalies were noted. <br /> C3: Second analysis confirmation was performed. The relative percent difference value (RPD) between the <br /> results on the two columns was evaluated and determined to be <30%1 <br /> C4: Second analysis confirmation was performed. The RPD between the results on the two columns was <br /> evaluated and determined to be> 30%. The original analysis was reported unless anomalies were noted. <br /> M: GC/MS 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 <br /> estimated quantity. <br /> J: The analyte was analyzed for and positively identified, but the associated numerical value is an estimated <br /> quantity. <br /> MCL: Maximum Contaminant Level <br /> MDL: Method Detection Limit <br /> MRL: Method Reporting Limit <br /> N: See analytical narrative <br /> ND: 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 <br /> sample matrix may be nonhomogeneous. <br /> X4a: RPD for duplicates outside advisory QC limits due to analyte concentration near the method practical <br /> quantitation limiUdetection limit. <br /> X5: Matrix spike recovery was not determined due to the required dilution. <br /> X8: Recovery and/or RPD values for matrix spike(/matrix spike duplicate) outside advisory QC limits, Sample <br /> was reanalyzed with similar results. <br /> X7: Recovery and/or RPD values for matrix spike(/matrix spike duplicate)outside advisory QC limits. Matrix <br /> interference 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 <br /> of the 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 /> QAM REV 16 112003 <br /> G3K030193 STL Sacramento(916)373-5600 158 of 160 <br />