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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: AE07631 Sample Date/Time: Tuesday, April 16,2002 10:40:10 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\newyork cit\AE07631.561 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 8.333 38.575 -0.000 -0.00958 81.21 ug/L > Se-1 45 503224.669 2.405 503224.669 ug/L Cr 52 8820.366 1.790 0.001 0.02959 126.25 ug/L Cr 53 1495.805 2.934 0.002 0.71263 9.65 ug/L Mn 55 217076.208 1.886 0.429 13.98824 4.26 ug/L Ni 60 912.055 2.101 0.002 0.35314 4.53 ug/L Cu 63 14842.597 3.200 0.029 2.73913 1.28 ug/L Cu 65 7135.873 3.665 0.014 2.50946 6.12 ug/L Zn 66 3473.031 1.830 0.029 1.61933 1.84 ug/L Zn 67 840.714 4.096 0.007 2.14449 7.25 ug/L Zn 68 3097.559 0.977 0.027 2.01597 3.64 ug/L Ge 72 99959.876 3.017 99959.876 ug/L As 75 483.666 11.532 0.005 0.22063 11.34 ug/L Se 77 149.590 8.648 0.000 0.23080 28.04 ug/L Se 82 117.669 5.785 0.000 0.03798 108.12 ug/L Ag 107 327.009 20.128 -0.000 -0.00717 81.52 ug/L Cd 111 996.523 1.181 -0.000 -0.03704 14.80 ug/L Cd 114 131.757 14.919 -0.000 -0.00256 123.99 ug/L In 115 1363856.543 0.884 1363856.543 ug/L Sb 121 478.351 3.200 0.000 0.04790 2.69 ug/L Sb 123 364.575 3.394 0.000 0.04429 3.76 ug/L Ba 135 42880.001 1.564 0.024 15.57716 1.47 ug/L Ba 137 70476.229 1.954 0.039 14.48686 1.78 ug/L > Tb 159 1818858.327 0.220 1818858.327 ug/L Ho 165 1797866.290 2.580 0.012 ug/L n 205 1787.527 2.995 0.000 0.00237 94.15 ug/L Pb 208 50177.445 0.408 0.026 1.43428 0.44 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ' Be 9 > Sc-1 45 102.965 Cr 52 Cr 53 Mn 55

Sample ID: AE07631 Report Date/Time: Tuesday, April 16, 2002 10:41:57 Page 1

NYC-WTC_000040786

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