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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: AE08755 Sample Date/Time: Friday, May 03,2002 11:30:07 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\AE08755.725 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 11.667 34.641 0.000 0.00111 669.46 ug/L > Sc-1 45 564526.960 3.624 564526.960 ug/L Cr 52 12072.466 1.716 0.006 0,27645 19.75 ug/L Cr 53 1337.112 5.470 0.001 0.38237 6.05 ug/L Mn 55 262703.234 2.616 0.462 13.80212 5.98 ug/L Ni 60 978.396 5.584 0.001 0.27868 11.89 ug/L Cu 63 8825.704 1.178 0.015 1.50392 4.19 ug/L Cu 65 4159.327 3.345 0.007 1.40448 7.05 ug/L Zn 66 3501.709 0.646 0.019 1.13661 0.12 ug/L Zn 67 784.042 7.912 0.004 1.43993 11.61 ug/L Zn 68 3266.953 2.028 0.020 1.56077 2.15 ug/L Ge 72 114329.583 0.664 114329.583 ug/L As 75 8884.823 1.405 0.001 0.05753 69.69 ug/L Se 77 1131.643 0.522 -0.000 -0.13563 40.02 ug/L Se 82 3194.593 0.830 -0.001 -0.48985 14.87 ug/L Ag 107 74.668 17.428 -0.000 -0.02632 5.33 ug/L Cd 111 67.001 5.381 0.000 0.00209 85.40 ug/L Cd 114 155.061 11.344 0.000 0.00182 128.52 ug/L > In 115 1371489.443 2.912 1371489.443 ug/L Sb 121 1831.203 0.808 0.001 0.19474 3.22 ug/L Sb 123 1369.639 2.051 0.001 0.19049 4.16 ug/L Ba 135 41938.000 3.326 0.022 15.08326 1.83 ug/L Ba 137 73074.249 0.520 0.038 15.54731 2.02 ug/L Ho 165 1840683.372 1.734 0.008 ug/L Tb 159 1918847.714 2.453 1918847.714 ug/L Hg 201 38.000 11.471 -0.000 -0.02075 14.43 ug/L Hg 202 80.668 5.161 -0.000 -0.01053 7.69 ug/L TI 205 618.361 5.899 -0.000 -0.00299 28.64 ug/L Pb 208 4205.425 1.977 0.001 0.05557 2.17 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 92.107 Cr 52

Sample ID: AE08755 Report Date/Time: Friday, May 03, 2002 11:31:55 Page 1

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NYC-WTC_000052997Source: NYC Law Department, mirrored locally

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