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ACZ Laboratories, Inc. <br />~~Za n„wr,n;n n.a.P Slomm~nnl c.,.;~„< rr anew room ~: <br />Batch A distinct set of samples analyzed at a specific time <br />Found Value of the OC Type of interest <br />Limit Upper limit for RPD, in °l. <br />Lower Lower Recovery Limit, in % (except for LCSB, mg/Kg) <br />MDL Method Detection Limit. Same as Minimum Reporting Limit. Allows (or instrument and annual fluctuations. <br />PCN/SCN A number assigned to reagents/stantlartls to trace to the manufacturer's certificate of analysis <br />PQL Practical Quantitation Limit, typically 5 times the MDL. <br />QC True Value o(the Control Sample or the amount added to the Spike <br />Rec Amount of the true value or spike added recoveretl, in h (except for LCSS, mg/Kg) <br />RPD Relative Percent Difference, calculation used for Duplicate QC Types <br />Upper Upper Recovery Limit, in °la (except for LCSS, mg/Kg) <br />Sample Value of the Sample of Interest <br />AS Analytical Spike (Post Digestion) LCSWD <br />ASD Analytical Spike (Post Digestion) Duplicate LFB <br />CCB Continuing Calibration Blank LFM <br />CCV Continuing Calivation Verification standard LFMD <br />DUP Sample Duplicate LRB <br />ICB Initial Calibration Blank MS <br />ICV Initial Calibration Verifcation standard MSD <br />ICSAB Inter-element Correction Standard - A plus B solutions PBS <br />LCSS Laboratory Control Sample -Soil PBW <br />LCSSD Laboratory Control Sample -Soil Duplicate PQV <br />LCSW Laboratory Control Sample -Water SOL <br />Laboratory Control Sample -Water Duplicate <br />Laboratory Fortifietl Blank <br />Laboratory Fortifed Matrix <br />Laboratory Fortifietl Matrix Duplicate <br />Laboratory Reagent Blank <br />Matrix Spike <br />Malriz Spike Duplicate <br />Prep Blank -Soil <br />Prep Blank -Water <br />Practical Quantitation Verification standard <br />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 [he precision of the Instrument antl/or method. <br />Spikes/Fortifed Matrix Determines sample matrix interterences, it any. <br />Standard Verifies the validity of the calibration. <br />8 Analyle concentration detectetl at a value between MDL and PQL. <br />H Analysis exceedetl method hold time. pH is a field test with an immediate hold time. <br />R Poor spike recovery accepted because the other spike in the set tell wilhln the given limits. <br />T High Relative Percent Difference (RPD) accepted because sample concentrations are less than 10x the MDL. <br />U Analyte was analyzetl for but not detected at the indicatetl MDL <br />V High blank data acceptetl because sample concentration is 10 times higher than blank concentration <br />W Poor recovery for Silver quality control is accepted because Silver often precipitates with Chloritle. <br />X Quality control sample is out of control. <br />Z Poor spike recovery is accepted because sample concentration is tour times greater than spike concentration. <br />(1) EPA 600!4-83-020. Methotls 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 I, May 1994. <br />(5) EPA SW-2346. Test Methods for Evaluating Solid Waste, Third Edition with Uptlate III, December 1996. <br />(6) Standard Methods for the Examination of Water and Wastewater, 19th edition, 1995. <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 reportetl on an "as received" basis. <br />REPIN03.11.00.01 <br />LA4760: Page ] 3 of 34 <br />