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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: AE06855 Sample Date/Time: Tuesday, April 09, 2002 10:35:15 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE06855.347 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 12.333 9.362 0.000 0.00000 54044.29 ug/L Sc-1 45 581890.817 0.689 581890.817 ug/L Cr 52 12778.774 2.703 0.007 0.38467 6.39 ug/L Cr 53 1170.087 5.736 0.001 0.23647 20.22 ug/L Mn 55 287408.380 0.426 0.491 16.84137 0.27 ug/L NI 60 987.397 1.266 0.002 0.34986 0.61 ug/L Cu 63 57931.250 0.932 0.099 9.39742 1.38 ug/L Cu 65 28516.610 1.022 0.049 9.39279 1.63 ug/L Zn 66 12639.240 0.458 0.110 6.32869 0.67 ug/L Zn 67 2168.947 1.745 0.018 5.92658 1.21 ug/L Zn 68 9814.393 0.822 0.086 6.66592 1.40 ug/L Ge 72 110012.763 0.646 110012.763 ug/L As 75 1269.030 6.366 0.009 0.42209 9.46 ug/L Se 77 185.004 16.643 0.000 0.16551 94.62 ug/L Se 82 278.674 11.485 0.001 0.23269 57.81 ug/L Ag 107 332.676 8.146 -0.001 -0.08743 2.76 ug/L In 115 1520721.394 1.824 1520721.394 ug/L Sb 121 532.354 3.383 0.000 0.04729 4.83 ug/L Sb 123 429.573 0.947 0.000 0.04881 1.03 ug/L Ba 135 48109.825 2.380 0.024 15.01475 2.12 ug/L Ba 137 83839.001 0.739 . 0.041 14.98097 0.87 ug/L Ho 165 1758923.536 1.135 -0.007 ug/L Tb 159 2042726.410 0.312 2042726.410 ug/L TI 205 649.030 • 2.311 -0.000 -0.00322 17.92 ug/L Pb 208 19509.078 1.215 0.009 0.44428 1.57 ug/L

QC Calculated Values - Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rel. % Diff Be 9 1> Sc-1 45 100.010 Cr 52 Cr 53 Mn 55 Ni 60 Cu 63

Sample ID: AE06855 Report Date/Time: Tuesday, April 09, 2002 10:36:49 Page 1

NYC-WTC 000040306

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NYC-WTC_000040306Source: NYC Law Department, mirrored locally

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