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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: AE08257 Sample Date/Time: Tuesday, April 16, 2002 15:36:23 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\AE08257.599 Aliquot Volume (mL): Diluted To Volume (mL):

Concentration Results Analyte Mass Meas. Intens. Mean Meas. Intens. RSD Net Intens. Mean Gone. Mean Cone. RSD Sample Unit Be 9 9.333 22.304 -0.000 -0.00603 89.61 ug/L > Sc-1 45 478342.516 1.027 478342.516 ug/L Cr 52 9408.629 2.230 0.003 0.14045 16.73 ug/L Cr 53 2614.736 2.034 0.004 1.80821 1.50 ug/L Mn 55 685486.399 1.811 1.431 46.62525 2.07 ug/L Ni 60 2598.398 5.240 0.005 1.09614 6.36 ug/L Cu 63 6707.876 3.342 0.013 1.27533 2.48 ug/L Cu 65 3161.581 1.092 0.006 1.13979 1.26 ug/L Zn 66 6755.911 1.267 0.068 3.74847 0.98 ug/L Zn 67 1493.471 2.758 0.015 4.52095 3.64 ug/L Zn 68 5898.305 1.214 0.060 4.49310 2.03 ug/L > Ge 72 92259.725 0.780 92259.725 ug/L As 75 551.192 15.471 0.006 0.27482 16.01 ug/L Se 77 268.328 11.462 0.002 0.97909 16.86 ug/L Se 82 140.002 6.186 0.000 0.18697 20.74 ug/L Ag 107 113.335 82.284 -0.000 -0.02505 36.11 ug/L Cd 111 920.879 3.815 -0.000 -0.03330 31.26 ug/L Cd 114 81.277 14.255 -0.000 -0.00922 20.70 ug/L In 115 1246777.429 0.911 1246777.429 ug/L Sb 121 585.358 3.332 0.000 0.06562 3.58 ug/L Sb 123 489.577 7.167 0.000 0.06768 8.04 ug/L Ba 135 78347.611 0.388 0.047 31.10191 0.64 ug/L Ba 137 131700.149 2.526 0.079 29.58613 3.28 ug/L > Tb 159 1665664.647 0.754 1665664.647 ug/L Ho 165 1666989.502 1.361 0.025 ug/L TI 205 1191.424 9.138 -0.000 -0.01801 29.89 ug/L Pb 208 3900.360 2.180 0.001 0.05795 4.18 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 97.874 Cr 52 Cr 53 Mn 55

Sample ID: AE08257 Report Date/Time: Tuesday, April 16, 2002 15:38:10 Page 1

NYC-WTC_000040862

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NYC-WTC_000040862Source: NYC Law Department, mirrored locally

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