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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 14:16:02 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.488 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 7.667 41.929 0.000 0.00014 6069.92 ug/L Se-1 45 416203.531 2.098 416203.531 ug/L Cr 52 6019.719 0.817 0.001 0.04038 37.97 ug/L Cr 53 843.714 3.685 0.000 0.21728 20.24 ug/L Mn 55 479.351 2.191 -0.004 -0.13800 1.12 ug/L Ni 60 32.334 18.642 0.000 0.00542 56.19 ug/L Cu 63 195.671 7.161 -0.001 -0.07559 5.16 ug/L Cu 65 116.335 6.509 0.000 0.01907 24.51 ug/L Zn 66 594.692 3.365 -0.001 -0.04671 30.43 ug/L Zn 67 156.670 8.666 0.000 0.09179 63.91 ug/L Zn 68 449.682 5.766 -0.001 -0.04659 52.25 ug/L > Ge 72 79682.151 0.510 79682.151 ug/L As 75 91.049 17.048 -0.002 -0.10301 9.36 ug/L Se 77 108.002 3.338 -0.000 -0.01552 188.20 ug/L Se 82 107.002 11.331 -0.001 -0.30338 21.85 ug/L Ag 107 112.335 20.306 -0.000 -0.06017 4.50 ug/L In 115 1110171.750 1.589 1110171.750 ug/L Sb 121 52.334 8.616 0.000 0.00223 23.00 ug/L Sb 123 40.104 22.589 0.000 0.00251 57.07 ug/L Ba 135 47.001 22.416 0.000 0.00029 1615.10 ug/L Ba 137 78.334 20.795 0.000 0.00258 158.45 ug/L Ho 165 1527889.005 1.035 0.128 ug/L Tb 159 1547460.488 1.336 1547460.488 ug/L TI 205 362.344 12.038 -0.000 -0.01601 12.54 ug/L Pb 208 1380.055 2.852 -0.000 -0.00910 21.19 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 73.983 Cr 52 Cr 53 Mn 55 Ni 60 Cu 63

Sample ID: CCV CALBK Report Date/Time: Wednesday, April 10, 2002 14:19:02 Page 1

NYC-WTC_000040591

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NYC-WTC_000040591Source: NYC Law Department, mirrored locally

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