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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: AE06856 Sample Date/Time: Tuesday, April 09, 2002 10:47:17 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\DatasetWEWQ\NEWQ\AE06856.350 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 I Be 9 12.000 16.667 0.000 0.00102 449.78 ug/L J> Sc-1 45 544775.781 0.639 544775.781 ug/L I Cr 52 10759.471 0.170 0.005 0.26389 2.29 ug/L Cr 53 1365.450 1.966 0.001 0.46592 3.31 ug/L I Mn 55 307711.410 1.989 0.562 19.27554 2.62 ug/L I Ni 60 1064.073 2.116 0.002 0.40555 2.78 ug/L I Cu 63 42038.397 0.843 0.077 7.27384 1.35 ug/L L Cu 65 20551.411 1.105 0.037 7.21969 1.73 ug/L I Zn 66 6279.898 0.398 0.056 3.20867 2.45 ug/L I Zn 67 1209.426 3.066 0.010 3.33307 1.79 ug/L I Zn 68 5306.935 1.578 0.047 3.69910 3.25 ug/L I> Ge 72 103850.737 2.448 103850.737 ug/L I As 75 1218.390 10.846 0.009 0.43229 16.33 ug/L I Se 77 189.671 10.064 0.000 0.25023 48.89 ug/L L se 82 272.673 7.903 0.001 0.27415 41.27 ug/L I Ag 107 1829.869 3.173 0.000 0.04044 12.50 ug/L I> In 115 1455996.859 1.551 1455996.859 ug/L Sb 121 1053.072 10.360 0.001 0.10230 9.18 ug/L L Sb 123 838.109 7.217 0.001 0.10474 5.95 ug/L Ba 135 45875.623 2.246 0.023 14.79987 1.85 ug/L I Ba 137 79480.398 0.670 0.040 14.68062 0.64 ug/L I Ho 165 1964232.360 1.652 0.125 ug/L I> Tb 159 1976121.817 0.923 1976121.817 ug/L TI 205 727.370 4.176 0.000 0.00035 371.68 ug/L L Pb 208 10072.966 0.504 0.004 0.21255 0.54 ug/L

QC Calculated Values - Analyte Mass QC Std % Recovery Int Std % Recovery . Spike % Recovery Dilution % Diff Dup. Rel. % Diff Be 9 > Sc-1 45 93.631 Cr 52 Cr 53 Mn 55 Ni 60 I Cu 63

Sample ID: AE06856 Report Date/Time: Tuesday, April 09, 2002 10:48:51 Page 1

NYC-WTC 000040312

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NYC-WTC_000040312Source: NYC Law Department, mirrored locally

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