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ADZ Laboratories, Inc. <br /> 2773 Downhill Drive 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 /> �QC 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 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 /> /CSAB 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-Sod Duplicate PQV Practical Quantitation Verification standard <br /> LCSW Laboratory Control Sample-Water SDL Serial Dilution <br /> 9��j*!�&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 of the calibration. <br /> « « <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 />