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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: AE07627 Sample Date/Time: Tuesday, April 16,2002 10:59:57 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\AE07627.567 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 10.333 11.175 -0.000 -0.00345 87.93 ug/L Se-1 45 476757.320 0.726 476757.320 ug/L Cr 52 10448.773 1.508 0.005 0.25736 8.29 ug/L Cr 53 1599.157 2.596 0.002 0.87939 3.57 ug/L Mn 55 213713.398 0.781 0.446 14.53014 1.36 ug/L Ni 60 934.724 5.724 0.002 0.38322 5.40 ug/L Cu 63 8979.523 1.395 0.018 1.73092 2.10 ug/L Cu 65 4585.869 1.711 0.009 1.68346 2.52 ug/L Zn 66 2967.514 1.922 0.027 1.50156 1.88 ug/L Zn 67 729.037 3.997 0.007 2.02164 5.43 ug/L Zn 68 2878.818 2.128 0.027 2.06450 2.45 ug/L Ge 72 90956.359 1.061 90956.359 ug/L As 75 574.542 21.537 0.006 0.29133 22.74 ug/L Se 77 185.770 10.296 0.001 0.52011 20.37 ug/L Se 82 153.003 4.082 0.001 0.25943 9.47 ug/L Ag 107 6172.850 13.703 0.005 0.55147 15.04 ug/L Cd 111 882.784 3.107 -0.000 -0.05248 19.35 ug/L Cd 114 91.483 15.859 -0.000 -0.00768 32.67 ug/L > In 115 1263466.853 0.510 1263466.853 ug/L Sb 121 410.347 7.925 0.000 0.04405 9.13 ug/L Sb 123 319.610 4.608 0.000 0.04162 5.33 ug/L Ba 135 40470.960 0.963 0.024 15.71710 1.64 ug/L Ba 137 71689.116 3.129 0.042 15.75237 2.48 ug/L > Tb 159 1701565.696 0.869 1701565.696 ug/L Ho 165 1768986.567 1.189 0.063 ug/L TI 205 1515.808 3.909 -0.000 -0.00466 45.29 ug/L Pb 208 3628.988 4.733 0.001 0.04655 9.91 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 97.549 Cr 52 Cr 53 Mn 55

Sample ID: AE07627 Report Date/Time: Tuesday, April 16, 2002 11:02:28 Page 1

NYC-WTC_000040798

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