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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: AE08425 Sample Date/Time: Tuesday, April 16, 2002 14:58:47 Sample Type: Spike -1 Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york cit\AE08425.589 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 22722.595 1.765 0.045 53.79403 1.16 ug/L > Se-1 45 507831.916 0.823 507831.916 ug/L Cr 52 442109.124 3.467 0.853 44.39610 2.71 ug/L Cr 53 54704.311 0.358 0.106 46.78437 1.19 ug/L Mn 55 952316.334 1.448 1.873 61.03126 0.67 ug/L Ni 60 108324.316 0.611 0.213 43.75599 1.28 ug/L Cu 63 260411.973 1.084 0.512 48.47222 1.90 ug/L Cu 65 120171.265 2.622 0.236 42.67942 1.84 ug/L Zn 66 93535.702 1.176 0.966 53.45403 2.51 ug/L Zn 67 16294.768 3.827 0.168 51.29258 2.22 ug/L Zn 68 67470.465 0.818 0.696 52.38643 1.63 ug/L > Ge 72 96314.904 1.639 96314.904 ug/L As 75 95922.973 1.216 0.996 47.48536 1.14 ug/L Se 77 10623.583 0.939 0.109 57.97621 2.58 ug/L Se 82 12039.755 1.166 0.124 54.54980 2.81 ug/L Ag 107 473650.275 1.137 0.376 45.19017 2.78 ug/L Cd 111 129380.218 1.036 0.102 49.15396 0.92 ug/L Cd 114 314110.965 2.102 0.249 52.77162 3.71 ug/L In 115 1259220.625 1.675 1259220.625 ug/L Sb 121 451071.752 0.963 0.358 53.40496 0.97 ug/L Sb 123 333920.126 1.170 0.265 49.44733 1.86 ug/L Ba 135 162772.773 1.453 0.093 61.73755 0.04 ug/L Ba 137 286150.832 1.449 0.164 61.42116 2.42 ug/L > Tb 159 1743885.005 1.418 1743885.005 ug/L Ho 165 1664286.362 1.016 -0.022 ug/L TI 205 1169937.776 0.223 0.670 51.12397 1.65 ug/L Pb 208 1553361.508 1.720 0.889 48.49286 1.36 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff Be 9 107.599 > Sc-1 45 103.907 Cr 52 87.997 Cr 53 92.954 Mn 55 93.064

Sample ID: AE08425 Report Date/Time: Tuesday, April 16,2002 15:04:32 Page 1

NYC-WTC_000040842

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NYC-WTC_000040842Source: NYC Law Department, mirrored locally

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