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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: AE08759 Sample Date/Time: Friday, May 03, 2002 12:20:01 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\AE08759.730 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 9.667 23.890 -0.000 ' -0.00066 686.06 ug/L > Se-1 45 509222.224 2.880 509222.224 ug/L Cr 52 8458.687 3.063 0.001 0.04278 109.04 ug/L Cr 53 1212.093 4.106 0.001 0.38890 17.32 ug/L Mn 55 241457.802 0.924 0.470 14.05692 3.77 ug/L Ni 60 1410.457 4.378 0.002 0.49959 8.06 ug/L Cu 63 6960.067 1.577 0.013 1.30444 2.79 ug/L Cu 65 3222.937 1.578 0.006 1.19544 4.24 ug/L Zn 66 3093.557 0.911 0.018 1.08007 1.04 ug/L Zn 67 741.371 4.589 0.005 1.52264 5.82 ug/L Zn 68 2855.477 2.687 0.019 1.46737 5.50 ug/L > Ge 72 104272.000 1.055 104272.000 ug/L As 75 8382.656 1.840 0.004 0.19083 53.86 ug/L Se 77 1075.823 0.525 0.000 0.09666 63.45 ug/L Se 82 3010.195 1.823 -0.000 -0.05552 554.58 ug/L Ag 107 512.020 22.624 0.000 0.01713 57.41 ug/L Cd 111 57.667 22.632 0.000 0.00016 2756.08 ug/L Cd 114 130.788 22.484 -0.000 -0.00052 811.45 ug/L > in 115 1279642.649 3.128 1279642.649 ug/L Sb 121 548.022 4.245 0.000 0.05954 7.92 ug/L Sb 123 367.782 3.538 0.000 0.05066 3.94 ug/L Ba 135 40361.507 2.526 0.023 15.55348 1.88 ug/L Ba 137 69595.084 0.924 0.039 15.86092 1.45 ug/L Ho 165 1688095.322 2.478 -0.009 ug/L > Tb 159 1790946.103 1.028 1790946.103 ug/L Hg 201 80.001 10.897 0.000 0.01577 46.11 ug/L Hg 202 169.003 6.005 0.000 0.02273 14.34 ug/L TI 205 567.023 8.030 -0.000 -0.00339 49.67 ug/L Pb 208 4252.442 4.474 0.001 0.06485 6.92 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 83.083 Cr 52

Sample ID: AE08759 Report Date/Time: Friday, May 03, 2002 12:21:48 Page 1

NYC-WTC_000053012

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NYC-WTC_000053012Source: NYC Law Department, mirrored locally

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