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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: AE09091 Sample Date/Time: Friday, May 03, 2002 15:23:17 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\newyork city\AE09091.746 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 10.333 48.709 0.000 0.00307 413.62 ug/L Se-1 45 470710.801 7.181 470710.801 ug/L Cr 52 8220.465 1.912 0.002 0.08684 81.24 ug/L Cr 53 1324.777 5.274 0.001 0.56961 7.26 ug/L Mn 55 214974.686 0.968 0.454 13.56801 6.80 ug/L Ni 60 897.053 1.206 0.001 0.31627 10.33 ug/L Cu 63 6236.535 1.941 0.013 1.26525 6.32 ug/L Cu 65 3182.923 3.336 0.006 1.28759 10.72 ug/L Zn 66 3143.575 1.209 0.022 1.28408 3.48 ug/L Zn 67 652.030 2.012 0.004 1.44573 6.41 ug/L Zn 68 2887.154 1.778 0.022 1.70720 3.18 ug/L > Ge 72 94927.300 3.109 94927.300 ug/L As 75 8076.845 2.255 0.009 0.42633 47.02 ug/L Se 77 1045.496 1.810 0.001 0.48474 38.39 ug/L Se 82 2916.497 3.073 0.002 0.82196 88.76 ug/L Ag 107 95.335 2.184 -0.000 -0.02339 1.39 ug/L Cd 111 69.334 14.009 0.000 0.00583 72.84 ug/L Cd 114 133.712 9.562 0.000 0.00104 256.03 ug/L In 115 1225608.105 2.419 1225608.105 ug/L Sb 121 398.013 3.295 0.000 0.04404 5.53 ug/L Sb 123 332.865 5.938 0.000 0.04751 3.92 ug/L Ba 135 38691.571 2.043 0.023 15.89318 1.83 ug/L Ba 137 67682.767 2.117 0.040 16.44118 2.30 ug/L Ho 165 1828407.447 1.555 0.137 ug/L > Tb 159 1680285.021 0.845 1680285.021 ug/L Hg 201 34.000 30.566 -0.000 -0.02012 44.74 ug/L Hg 202 72.001 11.024 -0.000 -0.01000 31.23 ug/L n 205 390.679 11.848 -0.000 -0.00942 22.08 ug/L Pb 208 4368.456 3.307 0.001 0.07637 6.91 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rel. % Diff Be 9 > Sc-1 45 76.800 Cr 52

Sample ID: AE09091 Report Date/Time: Friday, May 03, 2002 15:25:04 Page 1

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NYC-WTC_000053060Source: NYC Law Department, mirrored locally

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