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STL Somme <br /> 5755 a Street East <br /> STLTacoma,WA 98424 <br /> Tel 253 922 2310 <br /> Fax 253 922 5047 <br /> WM sti-Inc cam <br /> DATA QUAUFIERS 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 than ten times the concentration reported <br /> in the blank). <br /> B2: This analyte-was_detected.in.the_associated method=blank..The_analyte concentratiomin 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 /> C1 Second column confirmation was performed The relative percent difference value (RPD) between the <br /> resuiis on Uht-P iwU c*Wffili W was evaivattad atrid deiertnined io 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 result was 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% <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: GUMS 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 maybe <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 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 <br /> was re-analyzed with similar results <br /> X7 Recovery andlor RPD values for matrix spike(/rnatrix 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 /> X6 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 1/2003 ,tea <br />