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ADZ Laboratories, Inc. <br />2773 Downhill Dnve Steamboat Spnngs, CO 80487 (800) 334 -5493 <br />Report Header Explanations <br />Batch <br />Found <br />Limit <br />Lower <br />MDL <br />PCN /SCN <br />PQL <br />QC <br />Rec <br />RPD <br />Upper <br />Sample <br />QC Sample Types <br />AS <br />ASD <br />CCB <br />CCV <br />DUP <br />ICB <br />ICV <br />ICSAB <br />LCSS <br />LCSSD <br />LCSW <br />Blanks <br />Control Samples <br />Duplicates <br />Spikes /Fortfied Matrix <br />Standard <br />(1) <br />(2) <br />(3) <br />(4) <br />(5) <br />Comments <br />(1) <br />(2) <br />(3) <br />(4) <br />(5) <br />REP001 09 12 01 <br />A distinct set of samples analyzed at a specific time <br />Value of the QC Type of interest <br />Upper limit for RPD, in % <br />Lower Recovery Limit, in % (except for LCSS, mg /Kg) <br />Method Detection Limit Same as Minimum Reporting Limit Allows for instrument and annual fluctuations <br />A number assigned to reagents /standards to trace to the manufacturer's certificate of analysis <br />Practical Quantitation Limit, typically 5 times the MDL <br />True Value of the Control Sample or the amount added to the Spike <br />Recovered amount of the true value or spike added, in % (except for LCSS, mg /Kg) <br />Relative Percent Difference, calculation used for Duplicate QC Types <br />Upper Recovery Limit, in % (except for LCSS, mg /Kg) <br />Value of the Sample of interest <br />Analytical Spike (Post Digestion) <br />Analytical Spike (Post Digestion) Duplicate <br />Continuing Calibration Blank <br />Continuing Calibration Verification standard <br />Sample Duplicate <br />Initial Calibration Blank <br />Initial Calibration Verification standard <br />Inter - element Correction Standard - A plus B solutions <br />Laboratory Control Sample - Soil <br />Laboratory Control Sample - Soil Duplicate <br />Laboratory Control Sample - Water <br />LCSWD <br />LFB <br />LFM <br />LFMD <br />LRB <br />MS <br />MSD <br />PBS <br />PBW <br />PQV <br />SDL <br />Inorganic <br />Reference <br />Laboratory Control Sample - Water Duplicate <br />Laboratory Fortified Blank <br />Laboratory Fortified Matrix <br />Laboratory Fortified Matrix Duplicate <br />Laboratory Reagent Blank <br />Matrix Spike <br />Matrix Spike Duplicate <br />Prep Blank - Soil <br />Prep Blank - Water <br />Practical Quantitation Verification standard <br />Serial Dilution <br />QC Sample Type Explanations <br />Verifies that there a no or minimal contamination in the prep method or calibration procedure <br />Verifies the accuracy of the method, including the prep procedure <br />Verifies the precision of the instrument and /or method <br />Determines sample matrix interferences, if any <br />Verifies the validity of the calibration <br />ACZ Qualifiers (Quail) <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 />Mafhod References <br />EPA 600/4 -83 -020 Methods for Chemical Analysis of Water and Wastes, March 1983 <br />EPA 600/R -93 -100 Methods for the Determination of Inorganic Substances in Environmental Samples, August 1993 <br />EPA 600/R -94 -111 Methods for the Determination of Metals in Environmental Samples - Supplement I, May 1994 <br />EPA SW -846 Test Methods for Evaluating Solid Waste <br />Standard Methods for the Examination of Water and Wastewater <br />QC results calculated from raw data Results may vary slightly if the rounded values are used in the calculations <br />Soil, Sludge, and Plant matrices for Inorganic analyses are reported on a dry weight basis <br />Animal matrices for Inorganic analyses are reported on an "as received" basis <br />An asterisk in the "XQ" column indicates there is an extended qualifier and /or certification qualifier <br />associated with the result <br />If the MDL equals the PQL or the MDL column is omitted, the PQL is the reporting limit <br />For a complete list of ACZ's Extended Qualifiers, please click http• / /NN \ w .acz. /public /extquallist.pdf <br />Page 14 of 34 <br />