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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: AE08013 Sample Date/Time: Tuesday, April 16, 2002 12:48:45 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\newyork city\AE0801 3.574 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 6.000 50.000 -0.000 -0.01499 48.14 ug/L > Sc-1 45 496218.691 1.614 496218.691 ug/L Cr 52 8346.583 3.386 -0.000 -0.00731 603.54 ug/L Cr 53 947.059 1.777 0.001 0.24363 1.44 ug/L Mn 55 218709.413 2.804 0.439 14.29109 4.41 ug/L Ni 60 857.382 6.164 0.002 0.33565 7.08 ug/L Cu 63 8249.492 2.428 0.016 1.52210 3.51 ug/L Cu 65 3996.252 3.239 0.008 1.40110 4.60 ug/L Zn 66 3153.579 3.738 0.027 1.50911 5.22 ug/L Zn 67 709.702 5.783 0.006 1.82440 7.06 ug/L Zn 68 2694.093 2.781 0.024 1.78887 3.95 ug/L > Ge 72 96273.390 0.625 96273.390 ug/L As 75 539.893 5.820 0.005 0.25742 6.52 ug/L Se 77 159.220 10.540 0.001 0.31451 30.60 ug/L Se 82 127.002 6.864 0.000 0.09982 40.34 ug/L Ag 107 1378.118 2.036 0.001 0.09427 3.27 ug/L Cd 111 914.198 3.290 -0.000 -0.04280 19.43 ug/L Cd 114 152.748 3.400 0.000 0.00240 30.81 ug/L > In 115 1271862.516 2.214 1271862.516 ug/L Sb 121 857.716 10.886 0.001 0.09604 9.27 ug/L Sb 123 666.256 8.725 0.000 0.09204 7.07 ug/L Ba 135 41357.062 4.465 0.023 15.41593 4.22 ug/L Ba 137 70697.246 1.559 0.040 14.91292 1.16 ug/L > Tb 159 1772478.846 0.417 1772478.846 ug/L Ho 165 1674162.132 1.091 -0.032 ug/L TI 205 1588.155 1.489 -0.000 -0.00425 23.54 ug/L Pb 208 3757.014 2.652 0.001 0.04586 6.93 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ' Be 9 > Sc-1 45 101.531 Cr 52 Cr 53 Mn 55

Sample ID: AE08013 Report Date/Time: Tuesday, April 16,2002 12:50:32 Page 1

NYC-WTC_000040812

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