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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: AE08063 Sample Date/Time: Wednesday, April 10,2002 13:42:58 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE08063.480 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 9.667 23.890 0.000 0.00453 127.85 ug/L > Se-1 45 428682.096 0.456 428682.096 ug/L Cr 52 8657.208 2.253 0.006 0.35251 8.22 ug/L Cr 53 1489.137 2.419 0.002 0.88540 5.10 ug/L Mn 55 216728.864 2.091 0.500 16.99808 2.38 ug/L Ni 60 696.034 3.151 0.002 0.34152 2.78 ug/L Cu 63 4923.049 0.862 0.010 0.96526 1.22 ug/L Cu 65 2412.344 2.760 0.005 1.05407 3.07 ug/L Zn 66 1188.423 1.263 0.006 0.33539 4.15 ug/L Zn 67 403.346 5.957 0.003 1.00876 8.18 ug/L Zn 68 1407.456 3.391 0.010 0.81982 6.35 ug/L Ge 72 84433.469 0.671 84433.469 ug/L As 75 870.626 5.122 0.007 0.35476 8.31 ug/L Se 77 174.670 3.256 0.001 0.40857 11.41 ug/L Se 82 155.670 3.764 -0.000 -0.08201 39.45 ug/L Ag 107 1514.808 3.487 0.001 0.08980 7.30 ug/L In 115 1151782.790 1.388 1151782.790 ug/L Sb 121 550.022 4.675 0.000 0.06583 5.67 ug/L Sb 123 437.288 2.673 0.000 0.06787 4.18 ug/L Ba 135 36636.065 2.317 0.023 15.49758 1.58 ug/L Ba 137 63137.480 1.371 0.040 15.32556 0.93 ug/L Ho 165 1565370.009 0.519 0.132 ug/L > Tb 159 1579159.750 1.504 1579159.750 ug/L TI 205 372.011 4.068 -0.000 -0.01591 2.99 ug/L Pb 208 2574.836 3.854 0.001 0.03048 7.81 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 76.201 Cr 52 Cr 53 Mn 55 Ni 60 Cu 63

Sample ID: AE08063 Report Date/Time: Wednesday, April 10,2002 13:44:33 Page 1

NYC-WTC_000040575

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NYC-WTC_000040575Source: NYC Law Department, mirrored locally

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