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ICPMS daily performance check report, April 15, 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_000040648–000040698

Folder label: “ICPMS 4/15/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE07109 Sample Date/Time: Monday, April 15, 2002 10:27:33 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\AE07109.503 Aliquot Volume (mL): Diluted To Volume (mL):

Concentration Results Analyte Mass Meas. Intens. Mean Meas. Intens. RSD Net Intens. Mean Cone. Mean Cone. RSD Sample Unit Be 9 6.000 60.093 -0.000 -0.00608 146.67 ug/L Se-1 45 526326.664 1.921 526326.664 ug/L Cr 52 11336.512 1.407 0.005 0.31113 9.98 ug/L Cr 53 1467.800 1.173 0.001 0.37314 4.41 ug/L Mn 55 242142.526 1.846 0.457 16.15959 3.79 ug/L Ni 60 1044.070 2.993 0.002 0.42356 4.99 ug/L Cu 63 7325.357 1.527 0.013 1.25888 0.81 ug/L Cu 65 3896.207 2.596 0.007 1.38506 2.78 ug/L Zn 66 3184.590 2.168 0.025 1.39189 2.00 ug/L Zn 67 773.707 0.597 0.006 1.93307 3.34 ug/L Zn 68 3060.212 1.686 0.025 1.95111 0.90 ug/L > Ge 72 102300.612 2.402 102300.612 ug/L As 75 574.984 2.208 0.005 0.26829 4.78 ug/L Se 77 -85.728 62.582 -0.001 -0.30436 62.32 ug/L Se 82 133.336 3.849 0.000 0.08527 35.60 ug/L Ag 107 441.349 12.659 -0.000 -0.04395 10.49 ug/L Cd 111 1102.230 0.334 -0.000 -0.03391 15.81 ug/L Cd 114 249.227 3.230 0.000 0.01817 6.80 ug/L > In 115 1416793.512 1.415 1416793.512 ug/L Sb 121 577.357 5.151 0.000 0.05573 6.26 ug/L Sb 123 471.951 3.694 0.000 0.06129 5.12 ug/L Ba 135 46013.289 1.115 0.024 15.30704 1.60 ug/L Ba 137 81337.854 2.303 0.042 15.59395 1.70 ug/L > Tb 159 1933476.442 0.999 1933476.442 ug/L Ho 165 1894172.644 8.531 0.124 ug/L TI 205 1716.846 3.758 -0.000 -0.01494 12.72 ug/L Pb 208 4319.774 1.388 0.001 0.06654 3.92 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ' Be 9 > Sc-1 45 89.492 Cr 52 Cr 53 Mn 55

Sample ID: AE07109 Report Date/Time: Monday, April 15, 2002 10:29:20 Page 1

NYC-WTC_000040679

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NYC-WTC_000040679Source: NYC Law Department, mirrored locally

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