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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: AE07110 Sample Date/Time: Monday, April 15, 2002 10:30:47 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york cit\AE071 10.504 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 12.000 36.324 0.000 0.00744 138.87 ug/L > Se-1 45 559675.926 3.078 559675.926 ug/L Cr 52 9292.840 0.550 0.001 0.02916 99.26 ug/L Cr 53 1429.793 1.309 0.001 0.26456 19.62 ug/L Mn 55 248713.986 1.002 0.441 15.60398 2.13 ug/L NI 60 969.395 7.796 0.002 0.36685 10.46 ug/L Cu 63 7396.749 1.767 0.013 1.19255 1.78 ug/L Cu 65 3463.361 1.418 . 0.006 1.14709 3.98 ug/L Zn 66 4299.059 0.849 0.034 1.90889 1.54 ug/L Zn 67 861.716 0.973 0.007 2.10134 1.41 ug/L Zn 68 3942.227 0.363 0.032 2.50510 1.64 ug/L > Ge 72 106566.486 1.784 106566.486 ug/L As 75 601.168 0.223 0.005 0.26918 1.80 ug/L Se 77 -2.204 1258.389 -0.000 -0.01368 672.01 ug/L Se 82 144.669 5.630 0.000 0.10905 32.82 ug/L Ag 107 346.343 9.178 -0.000 -0.05258 4.47 ug/L Cd 111 1133.715 1.380 -0.000 -0.02808 25.83 ug/L Cd 114 263.876 17.837 0.000 0.01975 31.92 ug/L > In 115 1436056.698 2.237 1436056.698 ug/L Sb 121 564.356 2.114 0.000 0.05355 1.99 ug/L Sb 123 444.871 2.133 0.000 0.05659 1.63 ug/L Ba 135 46169.753 1.400 0.024 15.51307 0.69 ug/L Ba 137 81999.675 1.211 0.043 15.88554 3.09 ug/L > Tb 159 1914304.706 1.875 1914304.706 ug/L Ho 165 1896873.953 0.804 0.135 ug/L TI 205 1807.531 2.521 -0.000 -0.01093 5.40 ug/L Pb 208 12567.821 2.556 0.006 0.29468 1.18 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 95.162 Cr 52 Cr 53 Mn 55

Sample ID:AE07110 Report Date/Time: Monday, April 15,2002 10:32:34 Page 1

NYC-WTC_000040681

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