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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: AE07111 Sample Date/Time: Monday, April 15,2002 10:34:00 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york cit\AE07111.505 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 11.000 18.182 0.000 0.00575 82.53 ug/L > Se-1 45 544920.003 0.599 544920.003 ug/L Cr 52 19690.836 1.599 0.020 /1.14563 3.51 ug/L Cr 53 2900.825 0.202 0.003 1.55831 0.76 ug/L Mn 55 936376,079 1.878 1.715 60.68093 2.36 ug/L Ni 60 13096.225 1.324 0.024 5.41843 1.65 ug/L Cu 63 365663.876 1.387 0.670 63.64262 1.01 ug/L Cu 65 178418.022' 1.032 0.327 64.27016 1.50 ug/L Zn 66 8042.304 . 1.737 0.069 3.87933 3.79 ug/L Zn 67 1808.198 \ 4.027 0015 4.96993 5.69 ug/L Zn 68 7458.133 \ 1.848 %.065 5.08508 3.75 ug/L > Ge 72 106617.433 \ 1.921 106617.433 ug/L As 75 556.143 \ 15.476 / 0.005 0.24738 14.22 ug/L Se 77 -499.638 15.098 / -0.005 -1.67186 16.69 ug/L Se 82 149.336 14.084 / 0.000 0.12718 60.29 ug/L Ag 107 264.007 20.241 / -0.000 -0.05995 7.55 ug/L Cd 111 1128.761 1.932 / -0.000 -0.03636 19.15 ug/L Cd 114 191.334 7.042 0.000 0.00875 22.15 ug/L > In 115 1459779.465 0.174 \ 1459779.465 ug/L Sb 121 803.710 3.445 \ 0.001 0.07716 3.86 ug/L Sb 123 609.252 4.960 \ 0.000 0.07818 5.41 ug/L Ba 135 92808.253 0.064 0.047 30.07452 0.49 ug/L Ba 137 153710.235 /1.232 0.077 28.70675 1.51 ug/L > Tb 159 1986129.959 / 0.525 1986129.959 ug/L Ho 165 1873640.293 / 7.301 0.087 ug/L TI 205 1798.530 / 5.376 -0.000 -0.01367 27.78 ug/L Pb 208 31036.191 / 1.094 0.015 0.77210 1.19 ug/L

C Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ’ Be 9 ) > Sc-1 45 • 92.653 Cr 52 Cr 53 Mn 55

Sample ID: AE07111 Report Date/Time: Monday, April 15,2002 10:35:47 Page 1

NYC-WTC_000040683

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