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ICPMS daily performance check report, April 15, 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_000040648–000040698

Folder label: “ICPMS 4/15/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE07105 Sample Date/Time: Monday, April 15,2002 09:57:18 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\AE071 05.497 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 11.000 24.052 0.000 0.00613 110.37 ug/L Se-1 45 538309.516 0.932 538309.516 ug/L Cr 52 12151.571 0.635 0.006 0.37000 1.56 ug/L Cr 53 1169.754 4.023 0.000 0.08532 58.45 ug/L Mn 55 247266.755 0.314 0.456 16.12683 0.62 ug/L Ni 60 9260.479 4.123 0.017 3.87094 4.07 ug/L Cu 63 150137.565 1.245 0.278 26.41528 0.32 ug/L Cu 65 75286.586 1.475 0.140 27.41256 1.54 ug/L Zn 66 14795.183 2.739 0.135 7.60282 2.59 ug/L Zn 67 2677.088 5.340 0.024 7.77817 5.48 ug/L Zn 68 12102.505 0.150 0.111 8.68615 0.28 ug/L Ge 72 104317.479 0.359 104317.479 ug/L As 75 580.848 1.663 0.005 0.26546 1.90 ug/L Se 77 8.813 301.950 0.000 0.02401 375.92 ug/L Se 82 142.336 2.839 0.000 0.11199 16.24 ug/L Ag 107 195.671 3.286 -0.001 -0.06592 1.20 ug/L Cd 111 1201.309 4.213 -0.000 -0.01740 68.49 ug/L Cd 114 227.809 17.584 0.000 0.01346 38.43 ug/L > In 115 1481304.788 1.698 1481304.788 ug/L Sb 121 653.030 4.612 0.000 0.06071 4.44 ug/L Sb 123 512.505 2.556 0.000 0.06388 4.63 ug/L Ba 135 49150.009 1.171 0.025 16.04651 1.96 ug/L Ba 137 85290.077 3.585 0.043 16.04798 3.61 ug/L > Tb 159 1970314.178 1.019 1970314.178 ug/L Ho 165 1736937.537 1.416 0.025 ug/L TI 205 1929.557 2.589 -0.000 -0.00842 24.86 ug/L Pb 208 6270.929 18.569 0.002 0.11645 26.26 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 91.529 Cr 52 Cr 53 Mn 55

Sample ID: AE07105 Report Date/Time: Monday, April 15,2002 09:59:05 Page 1

NYC-WTC_000040667

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