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ICPMS daily performance check report, April 15, 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_000040648–000040698

Folder label: “ICPMS 4/15/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: CCV CAL BK Sample Date/Time: Monday, April 15, 2002 10:52:33 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\CCV CAL BK.510 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 8.000 21.651 -0.000 -0.00112 419.08 ug/L > Se-1 45 533475.115 2.132 533475.115 ug/L Cr 52 8244.153 1.820 -0.001 -0.03708 41.44 ug/L Cr 53 1092.077 0.956 0.000 0.02640 79.23 ug/L Mn 55 910.055 3.566 -0.002 -0.06676 3.72 ug/L Ni 60 43.667 11.297 -0.000 -0.00753 26.54 ug/L Cu 63 299.675 23.926 -0.000 -0.00904 151.97 ug/L Cu 65 174.670 11.512 -0.000 -0.00531 153.53 ug/L Zn 66 561.356 8.666 -0.001 -0.04271 68.12 ug/L Zn 67 160.003 12.311 0.000 0.00088 6497.74 ug/L Zn 68 427.014 6.076 -0.001 -0.05789 40.77 ug/L > Ge 72 100890.132 1.163 100890.132 ug/L As 75 2.431 2959.394 -0.000 -0.01226 291.96 ug/L Se 77 -33.237 231.661 -0.000 -0.12097 222.82 ug/L Se 82 110.002 7.441 -0.000 -0.00914 443.75 ug/L Ag 107 2585.063 10.477 0.001 0.14144 15.72 ug/L Cd 111 1028.196 3.915 -0.000 -0.06044 18.40 ug/L Cd 114 93.867 • 16.824 -0.000 -0.00485 50.60 ug/L > In 115 1416978.375 0.939 1416978.375 ug/L Sb 121 65.668 16.140 0.000 0.00160 72.17 ug/L Sb 123 54.893 7.630 0.000 0.00219 27.81 ug/L Ba 135 57.334 14.834 -0.000 -0.00242 118.45 ug/L Ba 137 95.001 10.042 -0.000 -0.00157 119.40 ug/L > Tb 159 1938888.927 0.290 1938888.927 ug/L Ho 165 1886894.824 8.427 0.117 ug/L TI 205 1693.509 7.558 -0.000 -0.01598 28.40 ug/L Pb 208 1826.423 2.618 -0.000 -0.00155 / 84.21 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ' Be 9 > Se-1 45 90.707 Cr 52 Cr 53 Mn 55

Sample ID: CCV CAL BK Report Date/Time: Monday, April 15,2002 10:54:59 Page 1

NYC-WTC_000040693

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NYC-WTC_000040693Source: NYC Law Department, mirrored locally

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