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ICPMS daily performance check report, April 9, 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_000040287–000040339

Folder label: “ICPMS 4/9/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE06961 Sample Date/Time: Tuesday, April 09, 2002 11:08:46 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.B.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE06961.355 Aliquot Volume (mL): Diluted To Volume (mL):

Concentration Results Analyte Mass Meas. Intens. Mean Meas. Intens. RSD Net Intens. Mean Conc. Mean Conc. RSD Sample Unit Be 9 13.333 18.875 0.000 0.00323 168.39 ug/L Sc-1 45 558649.627 2.030 558649.627 ug/L Cr 52 17611.220 1.193 0.017 0.90820 3.04 ug/L Cr 53 2221.627 1.784 0.002 1.14667 3.46 ug/L Mn 55 482608.402 1.217 0.861 29.53434 1.42 ug/L Ni 60 1442.796 4.032 0.002 0.54229 4.88 ug/L Cu 63 158786.173 1.565 0.284 26.92008 2.89 ug/L Cu 65 77987.244 1.544 0.139 26.85216 3.40 ug/L Zn 66 7306.676 2.178 0.064 3.65465 2.15 ug/L Zn 67 1445.796 2.476 0.012 3.93358 4.61 ug/L Zn 68 6300.245 0.812 0.055 4.30223 1.06 ug/L Ge 72 107036.279 1.660 107036.279 ug/L As 75 1436.994 3.499 0.010 0.51489 3.54 ug/L Se 77 296.008 2.365 0.001 0.78640 7.38 ug/L Se 82 319.009 3.258 0.001 0.42814 8.42 ug/L Ag 107 152.670 20.086 -0.001 -0.10162 2.49 ug/L In 115 1472192.226 1.765 1472192.226 ug/L Sb 121 605.026 2.236 0.000 0.05628 3.50 ug/L Sb 123 465.078 10.337 0.000 0.05523 12.08 ug/L Ba 135 58679.729 1.746 0.029 18.81050 2.33 ug/L Ba 137 102403.213 0.359 0.051 18.79225 0.56 ug/L Ho 165 1970639.576 0.365 0.122 ug/L Tb 159 1989663.801 0.879 1989663.801 ug/L TI 205 587.692 5.706 -0.000 -0.00479 25.92 ug/L Pb 208 173274.604 0.446 0.086 4.47915 0.56 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rel. % Dtff I Be 9 > Sc-1 45 96.016 Cr 52 Cr 53 Mn 55 NI 60 Cu 63

Sample ID: AE06961 Report Date/Time: Tuesday, April 09, 2002 11:10:21 Page 1

NYC-WTC 000040322

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NYC-WTC_000040322Source: NYC Law Department, mirrored locally

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