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ICPMS daily performance check report, May 3, 2002

Machine-extracted title · confidence 98%

Daily instrument calibration and performance verification log for ICPMS equipment conducted on May 3, 2002.

NYC-WTC_000052963–000053092

Folder label: “ICPMS 5/3/02”

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE09097 Sample Date/Time: Friday, May 03, 2002 15:55:37 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: c:\winnt\profiles\lrd1\elandata\Method\_NEWN.mth Dataset File: c:\winnt\profiles\lrd1\elandata\Dataset\new york city\AE09097.750 Aliquot Volume (mL): Diluted To Volume (mL):

Concentration Results Analyte Mass Meas. Intens. Mean Meas. Intens. RSD Net Intens. Mean Conc. Mean Cone. RSD Sample Unit Be 9 7.667 19.924 -0.000' -0.00358 98.15 ug/L Se-1 45 475931.557 1.957 475931.557 ug/L Cr 52 7781.742 3.148 0.001 0.02937 98.75 ug/L Cr 53 1361.449 5.116 0.001 0.58751 10.07 ug/L Mn 55 237335.860 1.894 0.494 14.78426 3.02 ug/L Ni 60 905.054 3.736 0.001 0.31413 7.30 ug/L Cu 63 6206.849 3.945 0.012 1.24061 3.82 ug/L Cu 65 2932.503 3.907 0.006 1.16123 4.26 ug/L Zn 66 3035.537 1.828 0.021 1.23698 4.64 ug/L Zn 67 661.031 4.244 0.005 1.49999 6.69 ug/L Zn 68 2766.115 0.702 0.021 1.63169 5.61 ug/L Ge 72 93964.648 4.320 93964.648 ug/L As 75 8135.649 2.495 0.010 0.50114 37.32 ug/L Se 77 1053.746 1.159 0.001 0.59901 38.29 ug/L Se 82 2911.495 2.393 0.002 0.94797 69.35 ug/L Ag 107 150.669 23.860 -0.000 -0.01702 22.95 ug/L Cd 111 58.667 30.698 0.000 0.00256 287.91 ug/L Cd 114 104.937 11.996 -0.000 -0.00316 74.33 ug/L In 115 1175164.571 0.642 1175164.571 ug/L Sb 121 367.011 11.726 0.000 0.04213 12.26 ug/L Sb 123 296.578 10.474 0.000 0.04375 11.39 ug/L Ba 135 37610.355 1.152 0.023 15.73804 2.26 ug/L Ba 137 68539.095 0.903 0.042 16.95791 0.27 ug/L Ho 165 1707209.173 0.193 0.084 ug/L Tb 159 1649699.401 1.130 1649699.401 ug/L Hg 201 35.667 5.836 -0.000 -0.01808 8.41 ug/L Hg 202 66.334 3.138 -0.000 -0.01169 5.12 ug/L TI 205 361.678 8.058 -0.000 -0.01039 11.07 ug/L Pb 208 3789.016 2.798 0.001 0.06091 4.29 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 77.652 Cr 52

Sample ID: AE09097 Report Date/Time: Friday, May 03, 2002 16:00:52 Page 1

NYC-WTC_000053072

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