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ICPMS daily performance check report, May 3, 2002

Machine-extracted title · confidence 98%

Daily instrument calibration and performance verification log for ICPMS equipment conducted on May 3, 2002.

NYC-WTC_000052963–000053092

Folder label: “ICPMS 5/3/02”

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE08954 Sample Date/Time: Friday, May 03, 2002 14:13:24 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: c:\winnt\profiles\lrd1\elandata\Method\_NEWN.mth Dataset File: c:\winnt\profiles\lrd1\elandata\Dataset\new york city\AE08954.740 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 11.667 13.093 0.000 0.00554 62.72 ug/L > Se-1 45 468428.850 0.661 468428.850 ug/L Cr 52 8623.841 0.797 0.003 0.12981 4.61 ug/L Cr 53 1102.745 1.790 0.001 0.37680 5.33 ug/L Mn 55 274306.290 1.144 0.581 17.37856 0.79 ug/L Ni 60 844.714 6.486 0.001 0.29300 9.39 ug/L Cu 63 6913.031 2.414 0.014 1.41405 2.76 ug/L Cu 65 3593.413 3.634 0.007 1.46301 4.38 ug/L Zn 66 4851.343 1.930 0.037 2.19232 3.69 ug/L Zn 67 994.064 4.095 0.007 2.45200 6.04 ug/L Zn 68 4131.647 3.165 0.033 2.57030 5.37 ug/L > Ge 72 99981.382 2.716 99981.382 ug/L As 75 8426.722 3.894 0.008 0.38781 70.50 ug/L Se 77 1077.417 4.235 0.001 0.35736 113.28 ug/L Se 82 3007.861 2.994 0,001 0.52546 151.31 ug/L Ag 107 480.017 1.458 0.000 0.01447 7.16 ug/L Cd 111 75.001 19.732 0.000 0.00692 77.33 ug/L Cd 114 148.996 15.594 0.000 0.00266 130.22 ug/L > In 115 1271941.544 1.746 1271941.544 ug/L Sb 121 450.682 2.013 0.000 0.04842 1.92 ug/L Sb 123 356.114 7.113 0.000 0.04915 6.16 ug/L Ba 135 38972.781 2.434 0.021 14.83201 2.18 ug/L Ba 137 64501.330 0.654 0.036 14.51573 0.80 ug/L Ho 165 1765745.499 3.269 0.022 ug/L > Tb 159 1813456.475 1.208 1813456.475 ug/L Hg 201 75.001 5.812 0,000 0.01088 26.91 ug/L Hg 202 154.336 12.981 0,000 0.01684 40.61 ug/L TI 205 555.356 4.627 -0.000 -0.00413 20.73 ug/L Pb 208 5966.489 1.963 0.002 0.11153 3.94 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 76.428 Cr 52

Sample ID: AE08954 Report Date/Time: Friday, May 03, 2002 14:15:11 Page 1

NYC-WTC_000053042

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