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ICPMS daily performance check report, April 16, 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_000040755–000040869

Folder label: “ICPMS 4/16/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE07633 Sample Date/Time: Tuesday, April 16, 2002 10:46:46 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\AE07633.563 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 7.667 32.825 -0.000 -0.01108 57.22 ug/L > Sc-1 45 502057.191 2.371 502057.191 ug/L Cr 52 10088.363 1.983 0.003 0.16317 26.62 ug/L Cr 53 2738.773 1.451 0.004 1.80443 3.91 ug/L Mn 55 699109.998 0.693 1.391 45.31552 2.20 ug/L Ni 60 2829.802 1.575 0.006 1.13787 2.01 ug/L Cu 63 7397.750 1.239 0.014 1.34364 3.69 ug/L Cu 65 3279.625 3.735 0.006 1.12640 5.04 ug/L Zn 66 2382.670 4.169 0.020 1.11444 3.40 ug/L Zn 67 798.043 6.418 0.007 2.19822 9.52 ug/L Zn 68 3061.213 2.136 0.029 2.16220 4.18 ug/L > Ge 72 92938.996 1.629 92938.996 ug/L As 75 642.553 11.282 0.007 0.31956 11.33 ug/L Se 77 276.738 7.292 0.002 1.01790 13.40 ug/L Se 82 142.669 15.679 0.000 0.19506 55.65 ug/L Ag 107 221.338 8.112 -0.000 -0.01507 11.58 ug/L Cd 111 898.247 1.756 -0.000 -0.04865 17.50 ug/L Cd 114 99.529 19.138 -0.000 -0.00643 51.21 ug/L > In 115 1271307.750 0.839 1271307.750 ug/L Sb 121 606.360 3.911 0.000 0.06674 4.82 ug/L Sb 123 490.243 4.607 0.000 0.06636 5.19 ug/L Ba 135 79787.397 0.128 0.045 30.02842 1.32 ug/L Ba 137 143794.775 0.738 0.082 30.62165 1.15 ug/L > Tb 159 1757045.185 1.440 1757045.185 ug/L Ho 165 1823083.383 0.730 0.061 ug/L Tl 205 1584.488 9.174 -0.000 -0.00385 142.99 ug/L Pb 208 5033.257 2.816 0.002 0.08646 3.73 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ' Be 9 > Sc-1 45 102.726 Cr 52 Cr 53 Mn 55

Sample ID: AE07633 Report Date/Time: Tuesday, April 16,2002 10:48:33 Page 1

NYC-WTC_000040790

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NYC-WTC_000040790Source: NYC Law Department, mirrored locally

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