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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: AE07976 Sample Date/Time: Wednesday, April 10, 2002 13:33:19 Sample Type: Spike -1 Sample Description: MSD Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE07976.477 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 21531.684 0.295 0.049 53.35145 0.54 ug/L > Sc-1 45 438264.153 • 0.247 438264.153 ug/L Cr 52 407338.265 1.572 0.916 49.88851 1.71 ug/L Cr 53 49151.009 0.881 0.111 51.09960 0.65 ug/L Mn 55 973443.152 1.796 2.216 75.27780 2.01 ug/L Ni 60 96789.916 1.654 0.221 48.00573 1.83 ug/L Cu 63 258081.265 1.685 0.588 55.53143 1.71 ug/L Cu 65 126962.348 2.399 0.290 56.03141 2.30 ug/L Zn 66 79932.671 0.478 0.924 53.40693 1.40 ug/L Zn 67 14328.760 0.397 0.165 54.01603 1.15 ug/L Zn 68 59418.838 1.494 0.687 53.96361 1.35 ug/L > Ge 72 85721.126 0.925 85721.126 ug/L As 75 91005.622 0.223 1.059 52.83280 1.09 ug/L Se 77 7976.912 1.788 0.092 54.48662 0.89 ug/L Se 82 10537.877 1.167 0.121 53.40914 1.21 ug/L Ag 107 439848.088 4.852 0.372 45.92013 3.48 ug/L > In 115 1181115.966 1.904 1181115.966 .ug/L Sb 121 425219.568 0.769 0.360 53.17726 1.14 ug/L Sb 123 323160.701 0.893 0.274 52.03047 1.05 ug/L Ba 135 161647.384 1.803 0.101 67.45579 2.55 ug/L Ba 137 278193.957 1.326 0.174 66.59535 1.57 ug/L Ho 165 1593169.843 1.049 0.134 ug/L > Tb 159 1602794.880 2.034 1602794.880 ug/L Tl 205 1068664.241 1.687 0.666 48.36064 1.07 ug/L Pb 208 1443938.718 0.691 0.900 48.25719 2.08 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ' Be 9 106.688 > Sc-1 45 77.905 Cr 52 98.633 Cr 53 99.807 Mn 55 97.410 Ni 60 94.984 Cu 63 94.673

Sample ID: AE07976 Report Date/Time: Wednesday, April 10, 2002 13:35:29 Page 1

NYC-WTC_000040569

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