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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: AE08012 Sample Date/Time: Tuesday, April 16, 2002 12:07:39 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\AE08012.571 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 10.667 37.889 -0.000 -0.00242 458.27 ug/L > Se-1 45 477114.183 2.994 477114.183 ug/L Cr 52 8483.376 2.398 0.001 0.04309 112.17 ug/L Cr 53 984.397 4.165 0.001 0.31248 17.25 ug/L Mn 55 191562.861 0.575 0.399 13.01298 2.97 ug/L Ni 60 860.383 6.597 0.002 0.35156 9.42 ug/L Cu 63 8140.728 3.443 0.017 1.56306 1.65 ug/L Cu 65 4122.976 0.990 0.008 1.50737 2.12 ug/L Zn 66 4095.630 2.133 0.038 2.11765 2.77 ug/L Zn 67 810.044 7.858 0.007 2.21777 10.48 ug/L Zn 68 3542.059 1.599 0.034 2.53194 5.15 ug/L Ge 72 93632.985 3.238 93632.985 ug/L As 75 532.135 7.714 0.005 0.26158 11.14 ug/L Se 77 138.407 5.442 0.000 0.22074 9.48 ug/L Se 82 113.669 2.688 0.000 0.05357 11.05 ug/L Ag 107 462.016 10.379 0.000 0.00843 45.84 ug/L Cd 111 967.076 4.621 -0.000 -0.01606 79.36 ug/L Cd 114 270.718 17.410 0.000 0.02295 37.91 ug/L > In 115 1248803.200 1.724 1248803.200 ug/L Sb 121 501.019 3.987 0.000 0.05542 2.44 ug/L Sb 123 374.745 6.041 0,000 0.05041 6.52 ug/L Ba 135 40511.185 2.932 0.023 15.37385 0.72 ug/L Ba 137 74282.323 0.366 0.043 15.96187 2.81 ug/L > Tb 159 1741016.281 2.616 1741016.281 ug/L Ho 165 1710918.731 1.401 0.007 ug/L TI 205 1773.524 4.004 0.000 0.00517 83.46 ug/L Pb 208 4649.511 1.500 0.001 0.07596 5.84 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 97.622 Cr 52 Cr 53 Mn 55

Sample ID: AE08012 Report Date/Time: Tuesday, April 16,2002 12:09:26 Page 1

NYC-WTC_000040806

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NYC-WTC_000040806Source: NYC Law Department, mirrored locally

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