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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: AE08067 Sample Date/Time: Wednesday, April 10, 2002 13:55:15 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE08067.484 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 8.333 30.199 0.000 0.00151 433.78 ug/L Se-1 45 422247.608 1.438 422247.608 ug/L Cr 52 8203.782 1.276 0.006 0.31078 4.81 ug/L Cr 53 2080.259 1.792 0.003 1.55724 4.52 ug/L Mn 55 364936.992 1.231 0.859 29.18430 1.11 ug/L Ni 60 1095.410 5.449 0.003 0.55288 6.86 ug/L Cu 63 46552.020 0.684 0.109 10.30061 1.82 ug/L Cu 65 22820.502 0.608 0.054 10.42663 1.87 ug/L Zn 66 4035.269 1.860 0.040 2.32733 3.30 ug/L Zn 67 885.385 2.283 0.009 2.92658 3.03 ug/L Zn 68 3619.090 3.869 0.037 2.93020 4.51 ug/L Ge 72 83130.202 0.879 83130.202 ug/L As 75 947.577 1.324 0.008 0.40891 1.37 ug/L Se 77 260.340 1.971 0.002 1.04047 4.86 ug/L Se 82 177.003 6.111 0.000 0.04381 113.47 ug/L Ag 107 121.002 8.939 -0.000 -0.05949 2.04 ug/L In 115 1131228.637 0.260 1131228.637 ug/L Sb 121 516.353 2.782 0.000 0.06270 3.27 ug/L Sb 123 391.650 6.329 0.000 0.06149 6.97 ug/L Ba 135 46801.966 0.505 0.030 19.83178 1.56 ug/L Ba 137 80895.469 0.171 0.051 19.66751 1.41 ug/L Ho 165 1567448.126 0.849 0.134 ug/L Tb 159 1577176.798 1.544 1577176.798 ug/L Tl 205 334.676 14.175 -0.000 -0.01761 12.18 ug/L Pb 208 11400.238 0.051 0.006 0.33067 1.75 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery I nt Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ' Be 9 > Sc-1 45 75.057 Cr 52 Cr 53 Mn 55 NI 60 Cu 63

Sample ID: AE08067 Report Date/Time: Wednesday, April 10, 2002 13:56:50 Page 1

NYC-WTC_000040583

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NYC-WTC_000040583Source: NYC Law Department, mirrored locally

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