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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 10:38:54 Sample Type: Spike -1 Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQWEWQ\AE06855.348 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 25232.891 0.961 0.043 52.51561 0.86 ug/L Sc-1 45 581914.935 1.390 581914.935 ug/L Cr 52 516081.761 0.096 0.872 47.69961 1.36 ug/L Cr 53 59867.090 1.122 0.101 46.91253 1.03 ug/L Mn 55 1063455.876 0.079 1.825 62.58696 1.31 ug/L Ni 60 125948.083 2.562 0.216 46.95195 1.67 ug/L Cu 63 338107.315 2.267 0.581 55.05414 0.92 ug/L Cu 65 166449.599 2.542 0.286 55.03898 1.28 ug/L Zn 66 109486.998 3.565 0.996 57.14629 1.62 ug/L Zn 67 19326.391 2.774 0.175 56.38700 1.70 ug/L Zn 68 81647.326 2.682 0.743 57.86385 2.07 ug/L Ge 72 109368.587 2.250 109368.587 ug/L As 75 112949.711 0.348 1.030 50.68947 1.89 ug/L Se 77 10126.071 1.078 0.091 52.18077 2.48 ug/L Se 82 13687.767 0.498 0.123 53.98589 2.63 ug/L Ag 107 562718.614 1.025 0.370 45.62011 2.30 ug/L In 115 1516029.365 1.928 1516029.365 ug/L Sb 121 514437.709 1.061 0.339 50.12624 0.93 ug/L Sb 123 396945.361 0.727 0.262 50.02110 1.95 ug/L Ba 135 196878.654 0.282 0.096 61.50007 0.54 ug/L Ba 137 343078.505 0.307 0.168 61.35491 0.99 ug/L Ho 165 1765091.936 0.751 -0.005 ug/L Tb 159 2043406.659 0.750 2043406.659 ug/L TI 205 1312981.029 0.928 0.642 45.37472 1.57 ug/L Pb 208 1802436.704 1.006 0.881 45.85034 1.57 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rel. % Diff ( Be 9 105.031 > Sc-1 45 100.015 Cr 52 94.630 Cr 53 93.352 Mn 55 91.491 Ni 60 93.204 Cu 63 91.313

Sample ID: AE06855 Report Date/Time: Tuesday, April 09, 2002 10:42:13 Page 1

NYC-WTC 000040308

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NYC-WTC_000040308Source: NYC Law Department, mirrored locally

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