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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: AE08253 Sample Date/TIme: Tuesday, April 16, 2002 13:16:40 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york dty\AE08253.581 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 9.333 16.366 -0.000 -0.00689 51.66 ug/L Se-1 45 495495.362 2.850 495495.362 ug/L Cr 52 8572.127 2.296 0.000 0.01764 181.75 ug/L Cr 53 1377.451 2.490 0.001 0.62708 3.23 ug/L Mn 55 217304.131 0.993 0.436 14.22334 3.84 ug/L Ni 60 907.721 8.727 0.002 0.35681 8.33 ug/L Cu 63 6698.869 3.013 0.013 1.22798 2.03 ug/L Cu 65 3234.608 2.245 0.006 1.12615 5.25 ug/L Zn 66 3832.179 1.534 0.035 1.95047 1.88 ug/L Zn 67 777.041 4.143 0.007 2.09714 6.62 ug/L Zn 68 3478.367 0.558 0.033 2.46508 1.30 ug/L > Ge 72 94079.650 1.611 94079.650 ug/L As 75 570.408 2.459 0.006 0.27904 0.96 ug/L Se 77 164.715 1.195 0.001 0.36575 1.74 ug/L Se 82 116.002 2.281 0.000 0.06200 27.21 ug/L Ag 107 369.345 10.237 -0.000 -0.00055 670.90 ug/L Cd 111 886.739 1.648 -0.000 -0.04810 7.00 ug/L Cd 114 97.641 8.251 -0.000 -0.00651 22.58 ug/L > In 115 1252781.608 0.691 1252781.608 ug/L Sb 121 435.015 2.787 0.000 0.04739 2.78 ug/L Sb 123 348.866 1.956 0.000 0.04637 1.57 ug/L Ba 135 39828.121 0.636 0.024 15.81282 2.64 ug/L Ba 137 72454.667 1.158 0.043 16.27832 2.41 ug/L > Tb 159 1664869.539 2.041 1664869.539 ug/L Ho 165 1697014.340 0.566 0.043 ug/L TI 205 1429.793 2.187 -0.000 -0.00709 3.42 ug/L Pb 208 6119.185 0.424 0.002 0.13072 2.52 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ’ Be 9 > Sc-1 45 101.383 Cr 52 Cr 53 Mn 55

Sample ID: AE08253 Report Date/TIme: Tuesday, April 16, 2002 13:18:27 Page 1

NYC-WTC_000040826

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NYC-WTC_000040826Source: NYC Law Department, mirrored locally

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