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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: AE06957 Sample Date/Time: Tuesday, April 09, 2002 10:50:13 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\eIandataDataset\NEWQNEWQ\AE06957.351 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 8.667 37.091 -0.000 -0.00636 110.95 ug/L Sc-1 45 542693.703 1.593 542693.703 ug/L Cr 52 10885.624 1.828 0.005 0.28070 1.29 ug/L Cr 53 1397.455 2.641 0.001 0.49759 2.51 ug/L Mn 55 292724.970 2.537 0.537 18.40104 2.15 ug/L Ni 60 1033.069 1.761 0.002 0.39475 1.33 ug/L Cu 63 6073.756 1.364 0.011 1.01690 2.98 ug/L Cu 65 2994.191 7.342 0.005 1.01698 9.19 ug/L Zn 66 1428.460 1.459 0.009 0.52148 2.87 ug/L Zn 67 491.685 2.575 0.003 1.09936 4.92 ug/L Zn 68 1759.188 3.417 0.013 1.02609 5.71 ug/L Ge 72 104732.924 1.052 104732.924 ug/L As 75 1266.354 0.529 0.009 0.44933 1.76 ug/L Se 77 207.338 6.107 0.001 0.33602 17.73 ug/L Se 82 284.007 2.750 0.001 0.31072 14.39 ug/L Ag 107 827.379 3.489 -0.000 -0.04421 6.26 ug/L In 115 1452276.932 0.473 1452276.932 ug/L Sb 121 789.042 7.886 0.001 0.07580 7.96 ug/L Sb 123 578.625 3.534 0.000 0.07094 3.28 ug/L Ba 135 46241.461 1.853 0.023 15.00250 1.61 ug/L Ba 137 80470.777 1.552 0.041 14.94681 0.89 ug/L Ho 165 1963641.344 1.602 0.131 ug/L Tb 159 1965395.715 2.436 1965395.715 ug/L T1 205 653.363 4.822 -0.000 -0.00218 48.22 ug/L Pb 208 3526.641 2.165 0.001 0.04068 0.65 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rel. % Diff r Be 9 > Sc-1 45 93.274 Cr 52 Cr 53 Mn 55 Ni 60 Cu 63

Sample ID: AE06957 Report Date/Time: Tuesday, April 09, 2002 10:51:47 Page 1

NYC-WTC 000040314

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NYC-WTC_000040314Source: NYC Law Department, mirrored locally

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