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ICPMS daily performance check report, April 9, 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_000040287–000040339

Folder label: “ICPMS 4/9/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: CCV CAL BK Sample Date/Time: Tuesday, April 09, 2002 11:34:26 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\CCV CAL BK.361 Aliquot Volume (mL): Diluted To Volume (mL):

Concentration Results Analyte Mass Meas. Intens. Mean Meas. Intens. RSD Net Intens. Mean Conc. Mean Conc. RSD Sample Unit Be 9 8.000 25.000 -0.000 -0.00817 50.00 ug/L Sc-1 45 552218.492 1.944 552218.492 ug/L Cr 52 8274.203 9.647 0.000 0.00373 2326.26 ug/L Cr 53 1103.745 2.043 0.001 0.23149 14.97 ug/L. Mn 55 1153.085 0.827 -0.001 -0.02725 4.42 ug/L Ni 60 59.667 12.579 0.000 0.00509 65.78 ug/L Cu 63 279.340 2.384 0.000 0.00315 6.68 ug/L Cu 65 177.003 5.564 0.000 0.01514 15.21 ug/L Zn 66 511.686 2.332 0.000 0.01915 33.12 ug/L Zn 67 162.003 10.199 0.000 0.08646 50.91 ug/L Zn 68 392.679 4.733 0.000 0.00923 135.05 ug/L Ge 72 104816.572 1.312 104816.572 ug/L As 75 284.684 8.765 -0.000 -0.01212 88.36 ug/L Se 77 142.336 1.463 -0.000 -0.01923 53.46 ug/L Se 82 196.671 7.215 -0.000 -0.05533 118.07 ug/L

Ag 107 177.003 0.565 -0.001 -0.09945 0.25 ug/L

In 115 1459882.499 1.430 1459682.499. uglL Sb 121 59.001 1.695 0.000 0.00153 11.29 ug/L Sb 123 38.226 9.506 -0.000 -0.00015 352.70 ug/L Ba 135 66.334 13.679 -0.000 -0.00209 122.43 ug/L Ba 137 111.002 16.830 -0.000 -0.00192 196.83 ug/L

Ho 165 1976931.725 1.089 0.126 ug/L

I> Tb 159 1987369.334 1.943 1987369.334 ug/L TI 205 557.689 10.095 -0.000 -0.00582 39.02 ug/L L Pb 208 1850.757 1.515 -0.000 -0.00424 6.66 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rel. % Diff Be 9 > Sc-1 45 94.911 Cr 52 Cr 53 Mn 55 Ni 60 Cu 63

Sample ID: CCV CAL BK Report Date/Time: Tuesday, April 09, 2002 11:36:49 Page 1

NYC-WTC 000040334

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NYC-WTC_000040334Source: NYC Law Department, mirrored locally

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