Laserfiche WebLink
March 23, 2021 Lab ID : STK2132917 <br /> San Joaquin Co.Environmental Health Dep Customer : 3-17919 <br /> Quality Control - Inorganic <br /> Constituent Method Date/Ill Type Units Conc. QC Rata UQO Note <br /> Wet Chem <br /> Nitrate 300.0 (CH 2171428-001) MSD mg/L 40.00 103% 85-119 <br /> MSRPD m L 10.00 0.7% 519 <br /> 300.0 03/04/21:203334MCA CCB mg/L 0.000 0.5 <br /> CCV mg/L 20.00 103% 90-110 <br /> CCB mg/L 0.000 0.5 <br /> CCV m 20.00 103% 90-110 <br /> Nitrate+Nitrite as N 500.0 03/03/21:202344MCA Blank mgfL ND <0.1 <br /> Nitrate Nitrogen 300.0 03/03/21:202344MCA Blank m ND <0.1 <br /> Nitrite 300.0 03/03/21:202344MCA Blank mg/L ND <0.5 <br /> LCS mg/L 15.00 103% 90-110 <br /> MS mg/L 30.00 102% 74-126 <br /> (VI 2141547-001) MSD 1119/1- 30.00 102% 74-126 <br /> MSRPD mg/L 10.00 0.08% <20 <br /> MS mg/L 30.00 102% 74-126 <br /> (CH 2171428-001) MSD mg/L 30.00 103% 74-126 <br /> MSRPD mgfL 10.00 0.7% 5520 <br /> 300.0 03/04/21:203334MCA CCB mg/L 0.000 0.5 <br /> CCV mg/L 15.00 103% 90-110 <br /> CCB mg/L 0.000 0.5 <br /> CCV m 15.00 103% 90-110 <br /> Nitrite Nitrogen 500.0 03/03/21:202344MCA Blank m ND <0.2 <br /> Sulfate ;u0.0 03/03/21:202344MCA Blank mg/L ND <0.5 <br /> LCS mg/L 50.00 104% 90-110 <br /> MS mg/L 100.0 101 % 82-124 <br /> (VI 2141547-001) MSD mg/L 100.0 102% 82-124 <br /> MSRPD mg/L 10.00 0.4% <23 <br /> MS mg/L 100.0 100% 82-124 <br /> (CH 2171428-001) MSD mg/L 100.0 101% 82-124 <br /> MSRPD mg/L 10.00 1.1% :523 <br /> 300.0 03/04/21:203334MCA CCB mg/L 0.259 0.5 <br /> CCV mg/L 50.00 105% 90-110 <br /> CCB mg/L 0.238 0.5 <br /> CCV m 50.00 104% 90-110 <br /> BAS 5540C 03/03/21:203394jba CCB mg/L -0.0393 0.25 <br /> CCV mg/L 1.000 90.3% 90-110 <br /> CCB mg/L -0.0393 0.25 <br /> CCV I mg/L 1.000 90.7% 1 90-110 <br /> BAS Extraction 5540C 03/03/21:202525jba Blank mg/L ND <0.1 <br /> LCS mg/L 0.5000 91.1 % 86-114 <br /> BS mg/L 0.5000 95.9% 86-114 <br /> BSD mg/L 0.5000 96.7% 86-114 <br /> BSRPD m L 0.5000 0.0042 550.1 <br /> Derinition <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 /> MS 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 /> Page 8 of 9 <br />