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ACZ Laboratories, Inc. ' <br /> 2773 Downhill Dnve Steamboat Springs,CO 80487 (800)334-5493 <br /> Report Header Explanations <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 /> PCN/SCN A number assigned to reagents/standards to trace to the manufacturers 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 /> OC Sample Types <br /> AS Analytical Spike(Post Digestion) LCSWD 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 Venfication 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 /> OC Sample Type Explanations <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 ofthe 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 matenal 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 I,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 matnces for Inorganic analyses are reported on a dry weight basis <br /> (3) Animal matnces 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 /> For a complete list of ACZ®Extended Qualifiers,please click <br /> hops Ilacr COm/N%I)-COntenUupload,,/ 01910 t ndf <br /> REP001 03 15 02 <br /> L52355-1909231421 Page 9 of 38 <br />