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ICPMS daily performance check report, April 10, 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_000040452–000040596

Folder label: “ICPMS 4/10/02”

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE07976 Sample Date/Time: Wednesday, April 10, 2002 13:29:53 Sample Type: Spike -1 Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE07976.476 Aliquot Volume (mL): Diluted To Volume (mL):

Concentration Results Analyte Mass Meas. Intens. Mean Meas. Intens. RSD Net Intens. Mean Conc. Mean Cone. RSD Sample Unit Be 9 21776.941 1.795 0.049 53.14183 1.67 ug/L > Sc-1 45 445017.086 1.272 445017.086 ug/L Cr 52 421692.159 1.515 0.934 50.87557 0.25 ug/L Cr 53 50070.008 0.421 0.111 51.27184 0.90 ug/L Mn 55 987097.663 0.572 2.213 75.17821 0.88 ug/L Ni 60 97162.776 0.269 0.218 47.46260 1.11 ug/L Cu 63 257548.216 1.801 0.577 54.57387 1.36 ug/L Cu 65 127047.620 1.258 0.285 55.22618 2.03 ug/L Zn 66 79919.264 1.452 0.912 52.72453 2.95 ug/L Zn 67 14249.970 1.159 0.162 53.03498 2.40 ug/L Zn 68 60321.739 0.555 0.689 54.09362 0.99 ug/L Ge 72 86823.223 1.452 86823.223 , ug/L As 75 92936.756 0.820 1.067 53.27826 2.24 ug/L Se 77 8200.780 1.938 0.093 55.31769 0.66 ug/L Se 82 10726.766 1.483 0.122 53.68145 1.16 ug/L Ag 107 426083.667 0.777 0.364 44.97099 2.32 ug/L > in 115 1168842.307 1.594 1168842.307 ug/L Sb 121 426088.267 1.839 0.364 53.83645 0.38 ug/L Sb 123 326784.975 1.949 0.280 53.15783 0.50 ug/L Ba 135 162928.864 1.439 0.101 67.66466 0.81 ug/L Ba 137 282075.949 1.362 0.175 67.20628 0.47 ug/L Ho 165 1603449.594 0.580 0.136 ug/L > Tb 159 1610108.206 1.080 1610108.206 ug/L TI 205 1069113.801 1.274 0.664 48.15873 1.18 ug/L Pb 208 1458057.366 1.727 0.904 48.49287 0.65 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ' Be 9 106.269 > Sc-1 45 79.105 Cr 52 100.607 Cr 53 100.152 Mn 55 97.211 Ni 60 93.898 Cu 63 92.758

Sample ID: AE07976 Report Date/Time: Wednesday, April 10,200213:32:20 Page 1

NYC-WTC_000040567

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