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ICPMS daily performance check report, April 10, 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_000040452–000040596

Folder label: “ICPMS 4/10/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE07510 Sample Date/Time: Wednesday, April 10, 2002 10:49:53 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE07510.438 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 13.000 33.530 0.000 0.00826 116.95 ug/L > Se-1 45 501291.590 1.132 501291.590 ug/L Cr 52 10737.111 0.472 0.008 0.41925 4.33 ug/L Cr 53 1523.143 1.184 0.001 0.68422 3.00 ug/L Mn 55 270449.576 1.156 0.534 18.15086 1.16 ug/L Ni 60 846.048 4.110 0.002 0.35557 4.97 ug/L Cu 63 5924.991 3.428 0.011 0.99684 3.19 ug/L Cu 65 2866.814 2.460 0.006 1.07189 3.08 ug/L Zn 66 2112.266 0.869 0.013 0.74865 1.79 ug/L Zn 67 572.357 2.675 0.004 1.32705 2.04 ug/L Zn 68 2166.947 2.905 0.016 1.22079 3.64 ug/L > Ge 72 99510.038 1.251 99510.038 ug/L As 75 1083.954 3.588 0.008 0.38356 3.34 ug/L Se 77 184.670 6.551 0.000 0.28221 27.87 ug/L Se 82 193.004 4.427 -0.000 -0.03963 99.17 ug/L Ag 107 169.003 10.469 -0.000 -0.05712 3.11 ug/L > In 115 1340659.456 0.959 1340659.456 ug/L Sb 121 492.018 6.019 0.000 0.04951 7.63 ug/L Sb 123 383.443 4.855 0.000 0.05004 4.90 ug/L Ba 135 42576.903 1.059 0.023 15.55907 1.31 ug/L Ba 137 73475.800 0.343 0.040 15.40625 0.60 ug/L Ho 165 1811594.388 0.948 0.131 ug/L > Tb 159 1828065.117 0.255 1828065.117 ug/L TI 205 537.688 3.777 -0.000 -0.01166 7.06 ug/L Pb 208 3293.931 0.195 0.001 0.03968 0.90 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 89.108 Cr 52 Cr 53 Mn 55 NI 60 Cu 63

Sample ID: AE07510 Report Date/Time: Wednesday, April 10, 2002 10:51:27 Page 1

NYC-WTC_000040491

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NYC-WTC_000040491Source: NYC Law Department, mirrored locally

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