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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: AE07629 Sample Date/Time: Tuesday, April 16, 2002 10:36:52 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\AE07629.560 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 11.667 40.507 -0.000 -0.00101 1079.82 ug/L Se-1 45 489231.619 2.224 489231.619 ug/L Cr 52 11491.708 1.388 0.007 0.33970 12.06 ug/L Cr 53 2842.473 1.547 0.004 1.96082 4.50 ug/L Mn 55 667198.607 0.958 1.362 44.37308 1.36 ug/L Ni 60 3043.874 3.812 0.006 1.25750 2.19 ug/L Cu 63 7947.224 4.863 0.016 1.48519 3.14 ug/L Cu 65 3586.410 3.540 0.007 1.27108 5.86 ug/L Zn 66 ' 3406.673 3.574 0.031 1.73557 4.49 ug/L Zn 67 894.720 1.901 0.008 2.52958 1.03 ug/L Zn 68 3603.417 0.751 0.035 2.61673 3.63 ug/L > Ge 72 92465.683 2.734 92465.683 ug/L As 75 712.362 11.469 0.007 0.35681 9.21 ug/L Se 77 278.361 15.040 0.002 1.03100 19.45 ug/L Se 82 157.003 3.185 0.001 0.26705 13.83 ug/L Ag 107 380.012 9.906 0.000 0.00011 2845.58 ug/L Cd 111 922.184 6.412 -0.000 -0.03759 61.83 ug/L Cd 114 163.591 10.264 0.000 0.00435 56.68 ug/L > In 115 1264137.159 1.237 1264137.159 ug/L Sb 121 660.031 1.389 0.000 0.07348 2.73 ug/L Sb 123 501.238 4.209 0.000 0.06838 4.23 ug/L Ba 135 81164.529 0.608 0.047 30.78547 2.65 ug/L Ba 137 146758.289 0.894 0.084 31.49584 2.31 ug/L > Tb 159 1743948.617 2.406 1743948.617 ug/L Ho 165 1761824.292 1.351 0.035 ug/L 71 205 1709.845 3.327 0.000 0.00219 82.31 ug/L Pb 208 5226.635 1.829 0.002 0.09374 2.19 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff Be 9 > Sc-1 45 100.102 Cr 52 Cr 53 Mn 55

Sample ID: AE07629 Report Date/Time: Tuesday, April 16, 2002 10:38:39 Page 1

NYC-WTC_000040784

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