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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: AE07422 Sample Date/Time: Wednesday, April 10, 2002 10:19:55 Sample Type: Spike -1 Sample Description: Number of Replicates: 3 Method File; d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE07422.429 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 24775.298 1.171 0.047 51.36414 1.02 ug/L > Se-1 45 523781.822 0.389 523781.822 ug/L Cr 52 470438.928 0.795 0.884 48.18522 1.19 ug/L Cr 53 55647.690 0.655 0.105 48.37188 1.03 ug/L Mn 55 1013043.763 1.156 1.929 65.52378 0.83 ug/L Ni 60 113077.136 1.507 0.216 46.92470 1.20 ug/L Cu 63 329470.045 2.179 0.628 59.32279 1.80 ug/L Cu 65 162637.484 1.786 0.310 60.05806 1.40 ug/L Zn 66 95919.695 0.955 0.940 54.32046 1.75 ug/L Zn 67 16955.636 1.525 0.166 54.16389 0.75 ug/L Zn 68 70754.659 0.842 0.693 54.46188 1.09 ug/L > Ge 72 101156.429 1.439 101156.429 ug/L As 75 103796.202 1.296 1.023 51.05735 1.03 ug/L Se 77 9141.352 0.653 0.089 52.89657 1.02 ug/L Se 82 12573.816 0.790 0.122 54.02005 1.74 ug/L Ag 107 515839.098 0.996 0.371 45.82782 1.43 ug/L > In 115 1388468.337 1.558 1388468.337 ug/L Sb 121 477603.474 1.225 0.344 50.80338 0.69 ug/L Sb 123 366711.593 0.744 0.264 50.22339 1.07 ug/L Ba 135 176427.845 1.483 0.093 62.52546 0.54 ug/L Ba 137 309021.532 0.495 0.164 62.83466 0.85 ug/L Ho 165 1880954.182 1.910 0.137 ug/L > Tb 159 1886775.490 1.337 1886775.490 ug/L TI 205 1248189.932 0.818 0.661 47.98346 1.27 ug/L Pb 208 1711283.504 0.702 0.906 48.57526 1.04 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ’ Be 9 102.723 > Sc-1 45 93.106 Cr 52 95.691 Cr 53 96.378 Mn 55 94.379 Ni 60 93.090 Cu 63 94.130

Sample ID: AE07422 Report Date/Time: Wednesday, April 10, 2002 10:21:30 Page 1

NYC-WTC_000040473

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