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ICPMS daily performance check report, April 10, 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_000040452–000040596

Folder label: “ICPMS 4/10/02”

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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 CALBK Sample Date/Time: Wednesday, April 10, 2002 14:08:59 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.487 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 6.667 22.913 -0.000 -0.00260 150.38 ug/L Se-1 45 417034.871 0.441 417034.871 ug/L Cr 52 5994.703 2.583 0.001 0.03538 61.53 ug/L Cr 53 967.061 3.211 0.001 0.35160 8.92 ug/L Mn 55 471.684 3.687 -0.004 -0.13871 1.09 ug/L Ni 60 32.667 39.835 0.000 0.00556 121.35 ug/L Cu 63 190.671 8.527 -0.001 -0.07687 4.60 ug/L Cu 65 111.668 7.294 0.000 0.01673 22.37 ug/L Zn 66 574.691 3.912 -0.001 -0.06253 24.46 ug/L Zn 67 167.003 7.060 0.000 0.13186 37.33 ug/L Zn 68 432.348 7.493 -0.001 -0.06501 47.13 ug/L > Ge 72 79930.314 0.307 79930.314 ug/L As 75 95.545 31.188 -0.002 -0.10038 18.42 ug/L Se 77 110.668 7.360 0,000 0.00172 3491.35 ug/L Se 82 110.335 10.426 -0.001 -0.28676 21.90 ug/L Ag 107 145.669 11.098 -0.000 -0.05655 3.17 ug/L In 115 1114007.480 0.425 1114007.480 ug/L Sb 121 62.334 10.438 0.000 0.00354 25.00 ug/L Sb 123 51.359 0.974 0.000 0.00442 1.46 ug/L Ba 135 45.334 28.019 -0.000 -0.00026 2075.25 ug/L Ba 137 70.668 23.051 0.000 0.00088 473.02 ug/L Ho 165 1531494.307 1.600 0.141 ug/L Tb 159 1530733.969 1.981 1530733.969 ug/L TI 205 390.012 9.994 -0.000 -0.01449 14.51 ug/L Pb 208 1382.055 1.792 -0.000 0.00851 10.82 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 74.131 Cr 52 Cr 53 Mn 55 Ni 60 Cu 63

Sample ID: CCV CALBK Report Date/Time: Wednesday, April 10, 2002 14:18:52 Page 1

NYC-WTC_000040589

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NYC-WTC_000040589Source: NYC Law Department, mirrored locally

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