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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 13:46:22 Sample Type: Spike -1 Sample Description: MSD Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\AE06795.475 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 20979.406 3.205 0.046 52.56091 3.27 ug/L > Se-1 45 456609.981 0.170 456609.981 ug/L Cr 52 415251.612 1.567 0.894 49.75934 1.75 ug/L Cr 53 46521.869 0.932 0.101 45.76499 1.02 ug/L Mn 55 1358323.855 0.421 2.971 99.36558 0.59 ug/L Ni 60 95110.590 3.357 0.208 47.67555 3.40 ug/L Cu 63 222426.787 0.718 0.487 46.41517 0.78 ug/L Cu 65 109788.655 2.467 0.240 48.01694 2.53 ug/L Zn 66 70930.007 0.146 0.797 45.65631 0.69 ug/L Zn 67 14070.356 1.718 0.158 52.08913 1.93 ug/L Zn 68 55432.749 1.888 0.623 50.75706 2.44 ug/L > Ge 72 88109.136 0.542 88109.136 ug/L As 75 88896.344 3.078 1.009 51.80461 3.62 ug/L Se 77 7540.535 1.015 0.085 49.66475 1.02 ug/L Se 82 10474.804 1.832 0.118 54.41663 2.35 ug/L Ag 107 414388.244 4.020 0.339 43.75027 3.70 ug/L Cd 111 119199.756 2.005 0.097 48.23450 2.50 ug/L Cd 114 266123.111 0.711 0.218 45.85554 1.07 ug/L > In 115 1219367.259 0.778 1219367.259 ug/L Sb 121 405880.814 0.247 0.333 47.79168 0.55 ug/L Sb 123 321292.854 2.474 0.263 50.67663 2.39 ug/L Ba 135 192711.350 2.181 0.116 80.52427 2.25 ug/L Ba 137 316478.861 3.057 0.190 76.77688 3.11 ug/L > Tb 159 1666096.726 0.069 1666096.726 ug/L Ho 165 1671749.357 2.911 0.043 ug/L n 205 1043539.292 0.380 0.625 46.47653 0.32 ug/L Pb 208 1419501.518 0.422 0.851 46.70726 0.40 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ' Be 9 105.131 > Sc-1 45 96.241 Cr 52 96.883 Cr 53 88.932 Mn 55 94.747

Sample ID: AE06795 Report Date/Time: Thursday, April 11, 2002 13:48:58 Page 1

NYC-WTC_000040621

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