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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: AE07504 Sample Date/Time: Tuesday, April 16,2002 10:18:47 Sample Type: Spike -1 Sample Description: MSD Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york cit\AE07504.557 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 T Be 9 22562.532 2.186 0.046 55.60652 2.81 ug/L > Se-1 45 487908.917 0.889 487908.917 ug/L Cr 52 481623.431 1.760 0.970 50.47090 2.51 ug/L Cr 53 57470.413 2.729 0.116 51.21175 2.88 ug/L Mn 55 1402976.925 1.676 2.873 93.62598 0.94 ug/L NI 60 115030.951 3.600 0.236 48.37076 4.24 ug/L Cu 63 251223.987 1.046 0.514 48.66649 0.50 ug/L Cu 65 130094.941 2.581 0.266 48.11041 3.34 ug/L Zn 66 87960.028 0.205 0.910 50.37345 1.19 ug/L Zn 67 16514.819 0.451 0.171 52.14573 1.35 ug/L Zn 68 65925.905 2.102 0.682 51.31067 2.34 ug/L > Ge 72 96063.209 1.101 96063.209 ug/L As 75 104115.757 3.472 1.084 51.68555 4.26 ug/L Se 77 9949.557 0.807 0.103 54.39761 1.84 ug/L Se 82 11957.313 1.720 0.123 54.30707 2.44 ug/L Ag 107 503124.132 2.879 0.377 45.29310 3.56 ug/L Cd 111 142402.067 1.635 0.106 51.07102 2.32 ug/L Cd 114 311545.897 1.935 0.233 49.37814 2.62 ug/L > In 115 1334352.155 0.697 1334352.155 ug/L Sb 121 478905.470 1.273 0.359 53.50177 0.76 ug/L Sb 123 381763.092 1.260 0.286 53.34529 1.93 ug/L Ba 135 225312.503 0.184 0.120 79.60039 0.54 ug/L Ba 137 385199.703 2.452 0.206 77.00007 2.68 ug/L Tb 159 1872392.807 0.365 1872392.807 ug/L Ho 165 1899270.602 2.301 0.038 ug/L TI 205 1188349.379 1.244 0.634 48.35381 1.37 ug/L Pb 208 1648736.481 0.399 0.879 47.93620 0.72 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ' Be 9 111.239 > Sc-1 45 99.831 Cr 52 100.832 Cr 53 99.627 Mn 55 105.476

Sample ID: AE07504 Report Date/Time: Tuesday, April 16, 2002 10:21:25 Page 1

NYC-WTC_000040778

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NYC-WTC_000040778Source: NYC Law Department, mirrored locally

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