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ICPMS daily performance check report, April 15, 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_000040648–000040698

Folder label: “ICPMS 4/15/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE07105 Sample Date/Time: Monday, April 15, 2002 10:03:28 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\AE071 05.498 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 13.000 33.530 0.000 0.01207 87.08 ug/L > Se-1 45 519952.863 1.786 519952.863 ug/L Cr 52 10563.909 2.250 0.004 0.24148 19.26 ug/L Cr 53 1191.757 1.223 0.000 0.14097 19.04 ug/L Mn 55 236884.452 0.979 0.452 15.99506 0.86 ug/L Ni 60 960.394 11.047 0.002 0.39272 12.78 ug/L Cu 63 7537.199 1.815 0.014 1.31382 1.94 ug/L Cu 65 3945.229 1.769 0.007 1.42182 3.60 ug/L Zn 66 10942.025 1.709 0.102 5.71518 1.86 ug/L Zn 67 1911.220 2.504 0.017 5.59218 2.04 ug/L Zn 68 8603.490 2.040 0.080 6.26406 1.37 ug/L > Ge 72 101147.610 0.757 101147.610 ug/L As 75 619.367 8.856 0.006 0.29323 8.85 ug/L Se 77 36.997 143.501 0,000 0.12356 150.43 ug/L Se 82 131.002 6.522 0.000 0.08119 42.99 ug/L Ag 107 87.335 9.184 -0.001 -0.07465 0.79 ug/L Cd 111 1094.432 4.343 -0.000 -0.04088 29.19 ug/L Cd 114 222.875 10.372 0.000 0.01395 27.42 ug/L > In 115 1431657.769 1.343 1431657.769 ug/L Sb 121 594.692 6.008 0.000 0.05688 5.43 ug/L Sb 123 483.921 4.484 0.000 0.06227 5.66 ug/L Ba 135 47063.317 0.904 0.024 15.47815 2.12 ug/L Ba 137 85069.249 2.985 0.043 16.12871 4.19 ug/L > Tb 159 1955951.919 1.217 1955951.919 ug/L Ho 165 1683700.672 0.315 0.004 ug/L TI 205 1794.195 1.062 -0.000 -0.01284 6.08 ug/L Pb 208 6548.637 1.868 0.002 0.12524 3.94 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 - 88.408 Cr 52 Cr 53 Mn 55

Sample ID: AE07105 Report Date/Time: Monday, April 15, 2002 10:06:26 Page 1

NYC-WTC_000040669

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