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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: AE08256 Sample Date/Time: Tuesday, April 16, 2002 15:33:30 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\eiandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\AE08256.598 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 7.667 19.924 -0.000 -0.01051 35.86 ug/L Se-1 45 484613.943 1.348 484613.943 ug/L Cr 52 8181.763 2.508 -0.000 -0.00427 742.20 ug/L Cr 53 1343.446 2.438 0.001 0.62383 6.90 ug/L Mn 55 214217.788 0.968 0.440 14.32884 2.07 ug/L Ni 60 874.051 1.784 0.002 0.35115 2.90 ug/L Cu 63 6257.550 3.386 0.012 1.17021 2.17 ug/L Cu 65 3166.917 1.912 0.006 1.12660 3.31 ug/L Zn 66 3209.599 3.681 0.029 1.61144 4.49 ug/L Zn 67 778.708 1.092 0.007 2.13814 2.12 ug/L Zn 68 3207.598 2.473 0.030 2.28518 2.04 ug/L Ge 72 92736.540 0.683 92736.540 ug/L As 75 490.585 7.582 0.005 0.24219 7.71 ug/L Se 77 149.414 2.528 0.001 0.29156 6.10 ug/L Se 82 118.669 9.244 0.000 0.08235 62.42 ug/L Ag 107 330.684 141.824 -0.000 -0.00376 1219.09 ug/L Cd 111 858.957 2.553 -0.000 -0.05478 17.34 ug/L Cd 114 87.908 14.234 -0.000 -0.00799 26.59 ug/L > In 115 1237898.298 0.597 1237898.298 ug/L Sb 121 442.349 0.914 0.000 0.04890 0.94 ug/L Sb 123 365.539 6.612 0.000 0.04952 7.69 ug/L Ba 135 40266.730 1.573 0.024 15.81348 1.96 ug/L Ba 137 71673.192 1.632 0.043 15.92745 1.26 ug/L > Tb 159 1682641.231 0.751 1682641.231 ug/L Ho 165 1740750.629 1.083 0.058 ug/L TI 205 1063.073 9.267 -0.000 -0.02443 17.04 ug/L Pb 208 4854.892 1.227 0.002 0.08759 0.85 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 99.157 Cr 52 Cr 53 Mn 55

Sample ID: AE08256 Report Date/Time: Tuesday, April 16, 2002 15:35:17 Page 1

NYC-WTC_000040860

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NYC-WTC_000040860Source: NYC Law Department, mirrored locally

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