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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: AE08426 Sample Date/Time: Tuesday, April 16, 2002 15:09:45 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\AE08426.591 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 9.000 29.397 -0.000 -0.00768 88.90 ug/L Se-1 45 497471.070 3.052 497471.070 ug/L Cr 52 12169.263 1.681 0.008 0.39029 8.41 ug/L Cr 53 1099.077 0.777 0.001 0.37640 6.14 ug/L Mn 55 195322.268 3.149 0.390 12.71599 0.17 ug/L Ni 60 1273.102 3.575 0.002 0.50656 5.52 ug/L Cu 63 7679.320 1.754 0.015 1.40968 1.53 ug/L Cu 65 3667.110 2.270 0.007 1.27870 5.33 ug/L Zn 66 3774.154 1.548 0.035 1.93783 3.35 ug/L Zn 67 759.373 3.041 0.007 2.06136 0.84 ug/L Zn 68 3452.357 0.572 0.033 2.47104 3.03 ug/L Ge 72 93205.820 2.480 93205.820 ug/L As 75 527.657 7.486 0.005 0.26035 10.20 ug/L Se 77 168.208 1.807 0.001 0.39495 10.14 ug/L Se 82 137.002 1.460 0.000 0.16636 10.32 ug/L Ag 107 1074.408 5.113 0.001 0.06816 10.17 ug/L Cd 111 899.415 6.262 -0.000 -0.04001 41.15 ug/L Cd 114 145.508 14.475 0.000 0.00179 194.14 ug/L In 115 1240740.150 1.668 1240740.150 ug/L Sb 121 798.044 17.454 0.001 0.09135 16.48 ug/L Sb 123 640.593 6.092 0.000 0.09068 4.94 ug/L Ba 135 40036.703 0.617 0.023 15.50671 1.84 ug/L Ba 137 72383.749 0.442 0.042 15.86745 2.59 ug/L > Tb 159 1706478.773 2.439 1706478.773 ug/L Ho 165 1709879.517 1.240 0.026 ug/L TI 205 1296.105 4.419 -0.000 -0.01468 9.74 ug/L Pb 208 3369.274 2.658 0.001 0.03795 6.52 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ' Be 9 > Sc-1 45 101.787 Cr 52 Cr 53 Mn 55

Sample ID: AE08426 Report Date/Time: Tuesday, April 16, 2002 15:11:32 Page 1

NYC-WTC_000040846

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