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ICPMS daily performance check report, April 16, 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_000040755–000040869

Folder label: “ICPMS 4/16/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE07635 Sample Date/Time: Tuesday, April 16, 200210:50:03 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\AE07635.564 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 18.000 30.932 0.000 0.01399 95.43 ug/L Se-1 45 497002.625 1.398 497002.625 ug/L Cr 52 10138.085 1.022 0.003 0.17842 7.58 ug/L Cr 53 1609.825 1.205 0.002 0.82902 3.31 ug/L Mn 55 233937.104 2.369 0.468 15.26511 3.65 ug/L Ni 60 1161.753 2.041 0.002 0.46065 1.65 ug/L Cu 63 19547.523 0.777 0.039 3.67026 0.69 ug/L Cu 65 9869.453 0.750 0.020 3.53313 2.06 ug/L Zn 66 4240.698 2.843 0.037 2.07251 4.38 ug/L Zn 67 962.394 0.787 0.008 2.55009 2.63 ug/L Zn 68 3960.903 2.112 0.036 2.70048 3.31 ug/L > Ge 72 98781.165 1.455 98781.165 ug/L As 75 561.221 5.582 0.005 0.26103 7.08 ug/L Se 77 176.893 2.580 0.001 0.38727 9.93 ug/L Se 82 134.002 8.072 0.000 0.11647 43.92 ug/L Ag 107 217.338 23.013 -0.000 -0.01659 27.50 ug/L Cd 111 967.969 7.135 -0.000 -0.04292 53.23 ug/L Cd 114 107.822 13.365 -0.000 -0.00606 39.45 ug/L > In 115 1346878.642 0.806 1346878.642 ug/L Sb 121 459.683 4.043 0.000 0.04652 5.19 ug/L Sb 123 371.782 6.222 0.000 0.04593 7.64 ug/L Ba 135 42709.531 1.463 0.024 16.06157 0.30 ug/L Ba 137 71508.647 2.631 0.041 15.22161 3.69 ug/L > Tb 159 1757124.294 1.692 1757124.294 ug/L Ho 165 1806825.729 2.718 0.052 ug/L n 205 1694.509 6.836 0.000 0.00104 611.47 ug/L Pb 208 5185.963 0.794 0.002 0.09122 2.27 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ' Be 9 > Sc-1 45 101.692 Cr 52 Cr 53 Mn 55

Sample ID: AE07635 Report Date/Time: Tuesday, April 16,2002 10:51:50 Page 1

NYC-WTC_000040792

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