Laserfiche WebLink
July 1, 2021 Lab ID : STK2137140 <br /> Luhdorff& Scalmanini, Consulting Eng. Customer : 3-12023 <br /> Quality Control - Inorganic <br /> Constituent Method Date/ID Type Units Cone. QC Data DQO Note <br /> Wet Chem <br /> urate-finiteasN 450ONO3F 05/20/21:207567VVH CCB mg/L 0.117 0.2 <br /> CCB mg/L 0.113 0.2 <br /> CCV mg/L 11.22 96.8% 90-110 <br /> CCB mg/L 0.114 0.2 <br /> CCV m 11.22 96.3% 90-110 <br /> Nitrate as NO3 450ONO3F 05/20/21:205642VVH Blank m ND <0.9 <br /> Nitrate Nitrogen 450ONO3F 05/20/21:205642VVH Blank m ND <0.2 <br /> Nitrite as Nitrogen 450ONO3F 05/20/21:205643VVH Blank mg/L ND <0.2 <br /> LCS mg/L 1.218 102% 80-120 <br /> MS mg/L 0.6090 65.8% 50-150 <br /> (VI 2143795-003) MSD mg/L 0.6090 67.0% 50-150 <br /> MSRPD I m 0.6090 1 0.0070 <0.2 <br /> 450ONO3F 05/20/21:207564VVH CCB mg/L 0.00800 0.012 <br /> CCV mg/L 1.218 101% 90-110 <br /> CCB mg/L 0.00800 0.012 <br /> CCB mg/L 0.00800 0.012 <br /> CCV mg/L 1.218 101% 90-110 <br /> CCB mg/L 0.00800 0.012 <br /> CCV m 1.218 103% 90-110 <br /> BAs 5540C 05/21/21:208243jba CCB mg/L -0.0393 0.25 <br /> CCV mg/L 1.000 96.1% 90-110 <br /> CCB mg/L -0.0351 0.25 <br /> CCV mg/L 1.000 95.7% 90-110 <br /> CCB mg/L -0.0351 0.25 <br /> CCV m 1.000 96.1% 90-110 <br /> MBAs Extraction 5540C 05/21/21:206093jba Blank mg/L ND <0.1 <br /> LCS mg/L 0.5000 95.7% 86-114 <br /> BS mg/L. 0.5000 95.9% 86-114 <br /> BSD mg/L 0.5000 98.8% 86-114 <br /> BSRPD /L 0.5000 0.015 <0.I <br /> Definition m <br /> ICB :Initial Calibration Blank-Analyzed to verify the instrument baseline is within criteria. <br /> CCV :Continuing Calibration Verification-Analyzed to verify the instrument calibration is within criteria. <br /> CCB :Continuing Calibration Blank-Analyzed to verify the instrument baseline is within criteria. <br /> Blank :Method Blank-Prepared to verify that the preparation process is not contributing contamination to the samples. <br /> LCS :Laboratory Control Standard/Sample-Prepared to verify that the preparation process is not affecting analyte recovery. <br /> M S Matrix Spikes-A random sample is spiked with a known amount of analyte.The recoveries are an indication of how that sample <br /> matrix affects analyte recovery. <br /> MSD :Matrix Spike Duplicate of MS/MSD pair-A random sample duplicate is spiked with a known amount of analyte.The recoveries <br /> are an indication of how that sample matrix affects analyte recovery. <br /> BS :Blank Spikes-A blank is spiked with a known amount of analyte.It is prepared to verify that the preparation process is not <br /> affecting analyte recovery. <br /> BSD :Blank Spike Duplicate of BS/BSD pair-A blank duplicate is spiked with a known amount of analyte.It is prepared to verify that <br /> the preparation process is not affecting analyte recovery. <br /> Dup :Duplicate Sample-A random sample with each batch is prepared and analyzed in duplicate.The relative percent difference is an <br /> indication of precision for the preparation and analysis. <br /> MSRPD :MS/MSD Relative Percent Difference(RPD)-The MS relative percent difference is an indication of precision for the preparation <br /> and analysis. <br /> BSRPD :BS/BSD Relative Percent Difference(RPD)-The BS relative percent difference is an indication of precision for the preparation <br /> and analysis. <br /> ND :Non-detect-Result was below the DQO listed for the analyte. <br /> <'// :High Sample Background-Spike concentration was less than one forth of the sample concentration. <br /> DQO :Data Quali Objective-This is the criteria against which the quality control data is compared. <br /> Page 13 of 14 <br />