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AC:Z <br /> Laboratories, Inc. a1 21. <br /> 2773 Downhill Drive Steamboat Springs, CO 80487 (800)334-5493 <br /> .'.4:}:;.tr¢.a.4-4.sir.•+,. *.s av?+.c-1w - n V,Mwb' ,< ... .. �- y:S¢e w .a, Z. <br /> Batch A distinct set of samples analyzed at a specific time <br /> Found Value of the QC Type of interest <br /> Lund 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 manufacturer's 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 /> :` <br /> �45.'.a. �:'"�• .., i�a <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 /> ICSAB Inter-element Correction Standard-A plus B solutions PBS Prep Blank-Sod <br /> LCSS Laboratory Control Sample-Sod 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 /> }�+9a S,- w ue. ,'4¢t9t'sx• kw'" .,.n....B' t.k -c� _ e$'- :'x .. . .. .. , .Y,+r,�%R x•s y�.. " <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 />