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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: AE08068 Sample Date/Time: Wednesday, April 10, 2002 13:59:47 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE08068.485 Aliquot Volume (mL): Diluted To Volume (mL):

Concentration Results Analyte Mass Meas, intens. Mean Meas, intens. RSD Net Intens. Mean Gone. Mean Cone. RSD Sample Unit Be 9 10.000 30.000 0.000 0.00604 134.69 ug/L > Se-1 45 419308.688 1.891 419308.688 ug/L Cr 52 8084.007 0.983 0.006 0.30269 4.08 ug/L Cr 53 1537.812 4.197 0.002 0.97562 9.35 ug/L Mn 55 173199.043 0.321 0.408 13.85793 1.91 ug/L Ni 60 707.701 6.097 0.002 0.35530 4.35 ug/L Cu 63 56439.913 1.491 0.133 12.60407 2.69 ug/L Cu 65 27416.893 1.446 0.065 12.62080 1.09 ug/L Zn 66 5065.462 2.431 0.053 3.03519 2.14 ug/L Zn 67 1002.399 0.872 0.010 3.37737 0.34 ug/L Zn 68 4211.018 2.798 0.044 3.48084 2.87 ug/L Ge 72 83307.807 0.583 83307.807 ug/L As 75 786.151 8.035 0.006 0.31090 11.63 ug/L Se 77 185.337 5.405 0.001 0.50117 14.48 ug/L Se 82 159.670 7.472 -0.000 -0.05002 118.34 ug/L Ag 107 99.335 15.476 -0.001 -0.06181 2.75 ug/L In 115 1126761.868 0.251 1126761.868 ug/L Sb 121 470.350 3.541 0.000 0.05693 4.06 ug/L Sb 123 339.611 2.078 0.000 0.05297 1.98 ug/L Ba 135 36004.856 1.069 0.023 15.31206 0.74 ug/L Ba 137 62714.894 1.249 0.040 15.30491 1.83 ug/L Ho 165 1552139.608 0.995 0.129 ug/L Tb 159 1570886.145 1.731 1570886.145 ug/L TI 205 332.009 2.574 -0.000 -0.01767 1.17 ug/L Pb 208 6955.775 1.511 0.003 0.18049 1.44 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 74.535 Cr 52 Cr 53 Mn 55 Ni 60 Cu 63

Sample ID: AE08068 Report Date/Time: Wednesday, April 10, 2002 14:01:21 Page 1

NYC-WTC_000040585

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NYC-WTC_000040585Source: NYC Law Department, mirrored locally

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