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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: AE08434 Sample Date/Time: Tuesday, April 16, 2002 15:30:37 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\AE08434.597 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 7.000 51.508 -0.000 -0.01300 66.58 ug/L > Se-1 45 511683.023 2.563 511683.023 ug/L Cr 52 11861.186 1.533 0.006 0.32343 8.40 ug/L Cr 53 1405.790 4.158 0.001 0.61325 10.32 ug/L Mn 55 201664.451 3.285 0.392 12.77325 4.97 ug/L Ni 60 834.713 1.911 0.002 0.31590 3.85 ug/L Cu 63 7442.788 2.503 0.014 1.32542 3.25 ug/L Cu 65 3380.329 2.628 0.006 1.13997 4.75 ug/L Zn 66 12410.594 2.953 0.122 6.75380 3.70 ug/L Zn 67 2096.930 2.289 0.020 6.15832 2.07 ug/L Zn 68 9738.645 1.051 0.096 7.21094 1.77 ug/L > Ge 72 97327.201 0.652 97327.201 ug/L As 75 495.529 24.283 0.005 0.23294 25.76 ug/L Se 77 153.585 7.035 0.001 0.27425 23.11 ug/L Se 82 126.002 11.691 0.000 0.08917 76.90 ug/L Ag 107 173.003 17.713 -0.000 -0.01951 16.43 ug/L Cd 111 929.878 6.887 -0.000 -0.03485 55.03 ug/L Cd 114 82.657 16.450 -0.000 -0.00915 27.20 ug/L > In 115 1264147.640 2.078 1264147.640 ug/L Sb 121 440.015 3.550 0.000 0.04751 2.50 ug/L Sb 123 327.367 0.938 0.000 0.04274 1.31 ug/L Ba 135 41455.760 2.508 0.024 16.02421 1.52 ug/L Ba 137 70755.694 1.472 0.041 15.48056 2.44 ug/L > Tb 159 1709296.212 0.983 1709296.212 ug/L Ho 165 1661768.592 1.072 -0.004 ug/L Tl 205 1104.745 5.484 -0.000 -0.02332 9.55 ug/L Pb 208 2816.534 3.078 0.000 0.0201.3 13.78 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ’ Be 9 > Sc-1 45 104.695 Cr 52 Cr 53 Mn 55

Sample ID: AE08434 Report Date/Time: Tuesday, April 16, 2002 15:32:24 Page 1

NYC-WTC_000040858

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NYC-WTC_000040858Source: NYC Law Department, mirrored locally

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