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ICPMS daily performance check report, April 9, 2002

Machine-extracted title · confidence 95%

Daily instrument performance verification log for ICPMS analysis including intensity and standard deviation data for multiple elements.

NYC-WTC_000040287–000040339

Folder label: “ICPMS 4/9/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE06958 Sample Date/Time: Tuesday, April 09, 2002 10:53:08 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE06958.352 Aliquot Volume (mL): Diluted To Volume (mL):

Concentration Results Analyte Mass Meas. Intens. Mean Meas. Intens. RSD Net Intens. Mean Conc. Mean Conc. RSD Sample Unit Be 9 17.334 68.829 0.000 0.01223 214.76 ug/L > Sc-1 45 555375.974 1.021 555375.974 ug/L Cr 52 12664.953 4.270 0.008 0.43066 9.57 ug/L Cr 53 1433.461 1.939 0.001 0.50050 3.74 ug/L Mn 55 270746.750 0.872 0.485 16.62270 1.68 ug/L Ni 60 918.056 2.642 0.002 0.34042 3.52 ug/L Cu 63 5612.455 1.446 0.010 0.91360 1.46 ug/L L Cu 65 2658.749 1.338 0.005 0.87558 2.17 ug/L I Zn 66 1969.233 3.086 0.014 0.79273 4.70 ug/L Zn 67 566.690 6.559 0.004 1.28880 8.35 ug/L Zn 68 2163.613 5.508 0.017 1.28972 7.63 ug/L > Ge 72 107213.260 0.788 107213.260 ug/L As 75 1240.402 9.232 0.009 0.42335 11.30 ug/L Se 77 206.338 9.452 0.001 0.30542 36.74 ug/L L Se 82 290.008 6.999 0.001 0.30709 24.07 ug/L Ag 107 448.016 5.527 -0.001 -0.07659 3.24 ug/L > In 115 1460681.269 1.740 1460681.269 ug/L Sb 121 636.362 0.396 0.000 0.05992 1.97 ug/L L Sb 123 481.085 2.256 0.000 0.05778 4.18 ug/L I Ba 135 45627.679 0.947 0.023 14.73510 0.36 ug/L Ba 137 78814.970 0.705 0.040 14.57215 0.37 ug/L Ho 165 1958672.060 1.280 0.124 ug/L > Tb 159 1974094.106 0.679 1974094.106 ug/L TI 205 577.357 6.836 -0.000 -0.00501 26.73 ug/L L Pb 208 3148.912 2.078 0.001 0.03030 4.77 ug/L

QC Calculated Values - Analyte Mass QC Std % Recovery int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rel. % Diff (' Be 9 > So -1 45 95.453 Cr 52 Cr 53 Mn 55 NI 60 Cu 63

Sample ID: AE06958 Report Date/Time: Tuesday, April 09, 2002 10:54:43 Page 1

NYC-WTC 000040316

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NYC-WTC_000040316Source: NYC Law Department, mirrored locally

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