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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: AE08433 Sample Date/Time: Tuesday, April 16, 2002 15:27:18 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\AE08433.596 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 7.000 37.796 -0.000 -0.01215 54.19 ug/L Se-1 45 484806.828 1.751 484806.828 ug/L Cr 52 12981.063 2.806 0.010 0.51059 10.88 ug/L Cr 53 1471.467 3.516 0.002 0.73991 9.25 ug/L Mn 55 209732.088 2.876 0.430 14.02085 3.00 ug/L Ni 60 887.052 10.044 0.002 0.35665 11.20 ug/L Cu 63 6096.106 3.390 0.012 1.13820 1.72 ug/L Cu 65 3287.627 1.955 0.006 1.17130 3.85 ug/L Zn 66 4746.620 1.818 0.045 2.48703 1.96 ug/L Zn 67 1053.405 5.207 0.010 2.99276 5.93 ug/L Zn 68 3962.570 1.524 0.038 2.85101 2.67 ug/L > Ge 72 94119.335 0.905 94119.335 ug/L As 75 461.342 6.252 0.005 0.22379 7.47 ug/L Se 77 157.456 11.966 0.001 0.32422 31.96 ug/L Se 82 117.335 7.919 0,000 0.06768 57.63 ug/L Ag 107 233.005 8.573 -0.000 -0.01427 15.22 ug/L Cd 111 941.013 6.594 -0.000 -0.03777 58.29 ug/L Cd 114 64.192 13.069 -0.000 -0.01247 12.56 ug/L > In 115 1290402.007 1.950 1290402.007 ug/L Sb 121 456.349 0.335 0.000 0.04836 2.15 ug/L Sb 123 358.321 12.103 0.000 0.04626 14.36 ug/L Ba 135 41347.899 0.596 0.024 15.92640 2.02 ug/L Ba 137 71023.457 1.767 0.041 15.48303 3.35 ug/L > Tb 159 1715852.991 1.696 1715852.991 ug/L Ho 165 1751688.961 1.303 0.045 ug/L TI 205 1001.399 5.788 -0.000 -0.02807 10.31 ug/L Pb 208 3341.607 1.935 0.001 0.03650 8.71 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 99.196 Cr 52 Cr 53 Mn 55

Sample ID: AE08433 Report Date/Time: Tuesday, April 16,2002 15:29:06 Page 1

NYC-WTC_000040856

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NYC-WTC_000040856Source: NYC Law Department, mirrored locally

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