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ACZ Laboratories, Inc. , <br />2773 DowMu7f Drive Steamboat springs, CO 80487 (800) 334 -5463 <br />Betch <br />A distinct set of samples analyzed at a specific time <br />Found <br />Value of the QC Type of interest <br />Limit <br />Upper limit for RPD, in %. <br />Lower <br />Lower Recovery Limit, in % (except for LOSS, mg/Kg) <br />MDL <br />Method Detection Limit. Same as Minimum Reporting Limit Allows for instrument and annual fluctuations. <br />PCWSCN <br />A number assigned to reagents/standards to trace to the manufacturer's certificate of analysis <br />PQL <br />Practical Quantitation Limit, typically 5 times the MDL <br />QC <br />True Value of the Control Sample or the amount added to the Spike <br />Rec <br />Amount of the true value or spike added recovered, in % (except for LCSS, mg/Kg) <br />RPD <br />Relative Percent Difference, calculation used for Duplicate QC Types <br />Upper <br />Upper Recovery Limit, in % (except for LCSS, mg/Kg) <br />Sample <br />Value of the Sample of interest <br />AS <br />Analytical Spike (Post Digestion) LCSWD <br />Laboratory Control Sande - Water Duplicate <br />ASD <br />Analytical Spike (Post Digestion) Duplicate LFB <br />Laboratory Fortified Blank <br />CCB <br />Continuing Calibration Blank LFM <br />Laboratory Fortified Matra <br />CCV <br />Continuing Calibration Verification standard LFMD <br />Laboratory Fortified Matra Duplicate <br />DUP <br />Sample Duplicate LRB <br />Laboratory Reagent Blank <br />ICS <br />Initial Calibration Blank MS <br />Matrix Spike <br />/CV <br />Initial Calibration Verification standard MSD <br />Matra Spike Duplicate <br />ICSAB <br />Inter - element Correction Standard - A plus B solutions PBS <br />Prep Blank - Soil <br />LCSS <br />Laboratory Control Sample - Sal PBW <br />Prep Blank - Water <br />LCSSD <br />laboratory Control Sample - Soil Duplicate PQV <br />Practical Quantitation Verification standard <br />LCSW <br />Laboratory Control Sample - Water SDL <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 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 PQL. 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 600/483-020. Methods for Chemical Analysis of Water and Wastes, March 1983. <br />(2) EPA 600/R -93 -100. Methods for the Detemrination 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, Third Edition with Update III, December 1996. <br />(5) Standard Methods for the Examination of Water and Wastewater, 19th edition, 1995 & 20th edition (1996). <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 />For a complete list ofACTs Extended Qualifiers, please click: htti) \,%% %N.acr.cuxnnuhlicc\tyuallrtitPdt <br />REPIN11.10.10.01r <br />Page 4 of 9 <br />