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ICPMS daily performance check report, April 11, 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_000040598–000040646

Folder label: “ICPMS 4/11/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE06795 Sample Date/Time: Thursday, April 11, 2002 13:25:58 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\AE06795.473 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 13.093 -0.000 -0.00463 80.05 ug/L Se-1 45 471298.427 1.217 471298.427 ug/L Cr 52 18420.496 1.347 0.024 1.31797 0.25 ug/L Cr 53 1844.206 9.007 0.003 1.29881 10.80 ug/L Mn 55 734518.133 1.826 1.554 51.99233 0.79 ug/L Ni 60 2497.369 6.130 0.005 1.18722 6.66 ug/L Cu 63 8502.727 1.972 0.018 1.67162 0.92 ug/L Cu 65 4033.268 1.719 0.008 1.65303 3.03 ug/L Zn 66 2003.574 3.122 0.014 0.78246 0.69 ug/L Zn 67 673.698 6.837 0.006 1.83796 5.02 ug/L Zn 68 2498.369 3.876 0.021 1.72505 8.69 ug/L > Ge 72 91507.852 3.460 91507.852 ug/L As 75 573.314 14.515 0.006 0.29933 15.46 ug/L Se 77 289.341 7.456 0.002 1.24317 6.19 ug/L Se 82 146.669 2.394 0.001 0.24940 15.64 ug/L Ag 107 245.339 8.943 -0.001 -0.12703 1.44 ug/L Cd 111 942.885 5.130 -0.000 -0.01567 89.87 ug/L Cd 114 203.512 32.530 0.000 0.02237 46.92 ug/L > In 115 1270191.032 1.662 1270191.032 ug/L Sb 121 516.020 2.382 0.000 0.04965 2.67 ug/L Sb 123 451.204 1.933 0.000 0.05898 4.21 ug/L Ba 135 77260.732 1.438 0.045 31.44026 1.55 ug/L Ba 137 128683.253 2.158 0.075 30.40821 3.31 ug/L Tb 159 1710153.694 1.259 1710153.694 ug/L Ho 165 1780282.742 2.797 0.081 ug/L Tl 205 892.720 9.166 -0.000 -0.02406 16.41 ug/L Pb 208 5320.332 8.549 0.002 0.11653 11.15 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 99.337 Cr 52 Cr 53 Mn 55

Sample ID: AE06795 Report Date/Time: Thursday, April 11,2002 13:27:45 Page 1

NYC-WTC_000040617

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NYC-WTC_000040617Source: NYC Law Department, mirrored locally

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