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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: AE07114 Sample Date/Time: Monday, April 15, 2002 10:41:43 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\AE07114.507 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 8.000 21.651 -0.000 -0.00128 338.50 ug/L > Se-1 45 536482.601 0.064 536482.601 ug/L Cr 52 11701.313 2.634 0.006 0.32637 10.13 ug/L Cr 53 1491.471 3.248 0.001 0.36893 11.66 ug/L Mn 55 268919.939 1.319 0.498 17.60977 1.37 ug/L Ni 60 998.398 4.804 0.002 0.39551 5.10 ug/L Cu 63 8215.793 0.678 0.015 1.39135 0.66 ug/L Cu 65 4135.315 2.072 0.007 1.44491 2.21 ug/L Zn 66 2584.727 2.173 0.018 1.03360 2.33 ug/L Zn 67 698.367 0.953 0.005 1.64904 0.72 ug/L Zn 68 2716.100 5.749 0.021 1.64657 8.88 ug/L > Ge 72 104443.668 1.511 104443.668 ug/L As 75 524.769 19.155 0.005 0.23867 21.51 ug/L Se 77 -71.270 119.276 -0.001 -0.24622 116.49 ug/L Se 82 143.336 7.058 0.000 0.11573 40.89 ug/L Ag 107 186.337 8.676 -0.001 -0.06637 2.39 ug/L Cd 111 1070.326 3.490 -0.000 -0.05435 23.14 ug/L Cd 114 226.926 13.868 0.000 0.01411 35.46 ug/L > In 115 1451225.242 1.505 1451225.242 ug/L Sb 121 501.019 6.671 0,000 0.04639 7.50 ug/L Sb 123 407.317 4.477 0.000 0.05077 6.00 ug/L Ba 135 46352.341 1.101 0.024 15.49438 1.60 ug/L Ba 137 79535.579 1.385 0.041 15.32265 1.31 ug/L > Tb 159 1924165.985 0.577 1924165.985 ug/L Ho 165 1889574.013 7.566 0.126 ug/L TI 205 1605.825 3.681 -0.000 -0.01874 11.19 ug/L Pb 208 9213.249 0.289 0.004 0.20109 1.03 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 91.218 Cr 52 Cr 53 Mn 55

Sample ID:AE07114 Report Date/Time: Monday, April 15,2002 10:43:30 Page 1

NYC-WTC_000040687

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