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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: AE08760 Sample Date/Time: Friday, May 03, 2002 12:22:58 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\AE08760.731 Aliquot Volume (mL): Diluted To Volume (mL):

Concentration Results Analyte Mass Meas. Intens. Mean Meas. Intens. RSD Net Intens. Mean Conc. Mean Cone. RSD Sample Unit Be 9 9.667 56.975 -0.000 ' -0.00148 713.18 ug/L > Se-1 45 529358.461 1.535 529358.461 ug/L Cr 52 11580.157 2.596 0.006 0.29925 10.16 ug/L Cr 53 1590.822 2.106 0.002 0.64758 3.13 ug/L Mn 55 263871.538 2.479 0.494 14.77847 3.71 ug/L Ni 60 891.719 1.960 0.001 0.26764 3.75 ug/L Cu 63 7269.645 0.474 0.013 1.31068 2.01 ug/L Cu 65 3421.345 3.306 0.006 1.22140 3.46 ug/L Zn 66 2446.020 1.250 0.011 0.64571 7.14 ug/L Zn 67 601.359 2.406 0.003 0.98944 5.25 ug/L Zn 68 2305.649 1.969 0.012 0.96305 3.36 ug/L > Ge 72 109751.167 2.281 109751.167 ug/L As 75 8379.247 1.970 -0.000 -0.00940 719.75 ug/L Se 77 1095.234 0.679 -0.000 -0.08934 120.31 ug/L Se 82 3002.859 2.301 -0.002 -0.75950 36.50 ug/L Ag 107 476.351 23.919 0.000 0.01317 78.81 ug/L Cd 111 51.334 22.410 -0.000 -0.00242 165.44 ug/L Cd 114 126.630 7.648 -0.000 -0.00137 112.91 ug/L > In 115 1294454.374 1.468 1294454.374 ug/L Sb 121 498.685 6.533 0.000 0.05304 7.40 ug/L Sb 123 374.073 1.852 0.000 0.05095 0.45 ug/L Ba 135 40099.702 3.132 0.022 14.86554 0.95 ug/L Ba 137 71404.724 1.001 0.038 15.66614 4.02 ug/L Ho 165 1811156.800 0.499 0.022 ug/L > Tb 159 1861679.636 2.986 1861679.636 ug/L Hg 201 75.668 4.248 0,000 0.00984 9.31 ug/L Hg 202 153.336 2.469 0.000 0.01512 5.08 ug/L n 205 523.687 9.971 -0.000 -0.00595 24.57 ug/L Pb 208 3658.993 3.188 0.001 0.04403 1.33 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 86.369 Cr 52

Sample ID: AE08760 Report Date/Time: Friday, May 03, 2002 12:24:45 Page 1

NYC-WTC_000053015

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NYC-WTC_000053015Source: NYC Law Department, mirrored locally

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