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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

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WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE07627 Sample Date/Time: Tuesday, April 16,2002 10:23:06 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york cit\AE07627.558 Aliquot Volume (mL): Diluted To Volume (mL): j

Concentration Results Analyte Mass Meas. Intens. Mean Meas. Intens. RSD Net Intens/Mean Cone. Mean Cone. RSD Sample Unit Be 9 \ 13.333 15.613 / 0.000 0.00332 160.25 ug/L Se-1 45 488461.181 0.947 486461.181 ug/L Cr 52 8765.655 6.038 / 0.001 0.05113 127.34 ug/L Cr 53 1482.802 1.296 / 0.002 0.73944 2.93 ug/L Mn 55 219233.114 1.933 / 0.446 14.54686 1.22 ug/L Ni 60 12487.494 15.185 / 0.025 5.23205 16.14 ug/L Cu 63 6574.777 2.609 / 0.013 1.22225 2.51 ug/L Cu 65 3282.292 \ 2.082 / 0.006 1.15971 2.35 ug/L Zn 66 7035.793 \ 2.416 0.067 3.70344 4.66 ug/L Zn 67 1436.128 \ 5.273 0.013 4.08688 4.85 ug/L Zn 68 5913.983 \ 2.441/ 0.057 4.26213 4.61 ug/L Ge 72 97213.765 1.858 97213.765 ug/L As 75 557.352 2610 0.006 0.26342 3.61 ug/L Se 77 155.957 9.770 0.001 0.28890 32.17 ug/L Se 82 129.002 8.805 0.000 0.10273 39.90 ug/L Ag 107 797.043 Al6l\ 0.000 0.03528 21.27 ug/L Cd 111 1036.873 / 6.866 -0.000 -0.01793 114.17 ug/L Cd 114 264.697 / 2.052 , 0.000 0.01861 1.85 ug/L > In 115 1345359.247 / 1.440 \ 1345359.247 ug/L Sb 121 832.380 / 4.128 \ 0.001 0.08790 5.59 ug/L Sb 123 650.885 / 11.968 \ 0.000 0.08478 14.21 ug/L Ba 135 42711.862 / 0.353 \ 0.023 15.53599 0.77 ug/L Ba 137 73178.507 / 2.217 \ 0.040 .15.06470 3.10 ug/L Tb 159 1816610.977 / 0.902 1816640.977 ug/L Ho 165 1849033.067 / 2.224 0.042 ug/L Tl 205 1909.553 / 2.301 0.000 0.00760 32.25 ug/L Pb 208 5090.941 1.817 0.002 0.08309 3.50 ug/L

QC Calculated Values Analyte Mass QC Std % Recovei Int Std % Recovery Spike % Recovery tion % Diff Dup. Rei. % Diff Be > Sc-1 459 /j 99.944 Cr 52 ‘ Cr 53 Mn 55

Sample ID: AE07627 Report Date/Time: Tuesday, April 16, 2002 10:24:53 Page 1

NYC-WTC_000040780

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