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AraZ Laboratories, Inc. <br />Batch A distinct set of samples analyzed at a specific time <br />Found Value of the QC Type of interest <br />Limit Upper limit for RPD, in % <br />Lower Lower Recovery Limit, in % (except for LCSS, mg/Kg) <br />MDL Method Detection Limit. Same as Minimum Reporting Limit unless omitted or equal to the PQL (see comment #5). <br />Allows for instrument and annual fluctuations <br />PCNISCN A number assigned to reagents/standards to trace to the manufacturer's certificate of analysis <br />PQL Practical Quantitation Limit. Synonymous with the EPA term "minimum level" <br />QC True Value of the Control Sample or the amount added to the Spike <br />Rec Recovered amount of the true value or spike added, in % (except for LCSS, mg/Kg) <br />RPD Relative Percent Difference, calculation used for Duplicate QC Types <br />Upper Upper Recovery Limit, in % (except for LCSS, mg/Kg) <br />Sample Value of the Sample of interest <br />'N <br />_5 <br />4� k <br />AS Analytical Spike (Post Digestion) LCSIND Laboratory Control Sample - Water Duplicate <br />ASD Analytical Spike (Post Digestion) Duplicate LFB Laboratory Fortified Blank <br />CCB Continuing Calibration Blank LFM Laboratory Fortified Matrix <br />CCV Continuing Calibration Verification standard LFMD Laboratory Fortified Matrix Duplicate <br />DUP Sample Duplicate LRB Laboratory Reagent Blank <br />ICB Initial Calibration Blank Ms Matrix Spike <br />ICV Initial Calibration Verification standard MSD Matrix Spike Duplicate <br />ICSAB Inter -element Correction Standard - A plus B solutions PBS Prep Blank - Soil <br />LCSS Laboratory Control Sample - Soil PBW Prep Blank -Water <br />LCSSD Laboratory Control Sample - Soil Duplicate PQV Practical Quantitation Verification standard <br />LCSW Laboratory Control Sample - Water SDL Serial Dilution <br />Blanks Verifies that there is no or minimal contamination in the prep method or calibration procedure <br />Control Samples Verifies the accuracy of the method, including the prep procedure. <br />Duplicates Verifies the precision of the instrument and/or method. <br />Spikes/Fortified Matrix Determines sample matrix interferences, if any <br />Standard Verifies the validity of the calibration <br />B Analyte concentration detected at a value between MDL and POL. The associated value is an estimated quantity. <br />H Analysis exceeded method hold time, pH is a field test with an immediate hold time. <br />L Target analyte response was below the laboratory defined negative threshold. <br />U The material was analyzed for, but was not detected above the level of the associated value. <br />The associated value is either the sample quantitation limit or the sample detection limit. <br />(1) EPA 600/4-83-020 Methods for Chemical Analysis of Water and Wastes, March 1983 <br />(2) EPA 600/R-93-100 Methods for the Determination of Inorganic Substances in Environmental Samples, August 1993 <br />(3) EPA 600/R-94-111. Methods for the Determination of Metals in Environmental Samples - Supplement 1, May 1994. <br />(4) EPA SW -846. Test Methods for Evaluating Solid Waste <br />(5) Standard Methods for the Examination of Water and Wastewater <br />(1) QC results calculated from raw data. Results may vary slightly if the rounded values are used in the calculations <br />(2) Soil, Sludge, and Plant matrices for Inorganic analyses are reported on a dry weight basis <br />(3) Animal matrices for Inorganic analyses are reported on an "as received" basis <br />(4) An asterisk in the "XQ" column indicates there is an extended qualifier and/or certification qualifier <br />associated with the result. <br />(5) If the MDL equals the PQL or the MDL column is omitted, the PQL is the reporting limit. <br />Fora complete list of ACEs Extended Qualifiers, please click. 11ttIl I)LIblIC C\IqW11I1,t.Pdf <br />REP001.03 15.02 <br />L44806-1807031405 Page 12 of 24 <br />