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ICPMS daily performance check report, April 16, 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_000040755–000040869

Folder label: “ICPMS 4/16/02

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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 CALBK Sample Date/Time: Tuesday, April 16, 2002 11:18:08 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york cityCCV CAL BK.568 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 10.667 23.593 -0.000 -0.00437 130.15 ug/L Se-1 45 508889.638 2.593 508889.638 ug/L Cr 52 7119.525 1.134 -0.003 -0.15479 8.48 ug/L Cr 53 994.731 3.193 0.001 0.26393 5.62 ug/L Mn 55 1164.086 3.910 -0.000 -0.00452 66.63 ug/L Ni 60 43.667 23.836 -0.000 -0.00147 269.34 ug/L Cu 63 260.006 8.660 -0.000 -0.00300 108.28 ug/L Cu 65 134.336 8.466 -0.000 -0.00631 50.75 ug/L Zn 66 524.354 4.334 0.000 0.00381 78.21 ug/L Zn 67 138.336 15.860 0.000 0.01788 319.50 ug/L Zn 68 414.680 4.552 0.000 0.01509 171.67 ug/L > Ge 72 94257.091 3.374 94257.091 ug/L As 75 16.593 254.146 -0.000 -0.00204 1056.15 ug/L Se 77 125.195 15.914 0.000 0.14025 70.41 ug/L Se 82 100.335 6.636 -0.000 -0.01205 270.95 ug/L Ag 107 708.368 14.608 0.000 0.03071 35.46 ug/L Cd 111 943.136 1.609 -0.000 -0.03369 14.87 ug/L Cd 114 153.303 33.793 0.000 0.00244 366.04 ug/L > In 115 1278653.289 1.700 1278653.289 ug/L Sb 121 46.667 21.141 0.000 0.00108 116.43 ug/L Sb 123 29.813 16.580 -0.000 -0.00121 55.24 ug/L Ba 135 53.001 6.536 -0.000 -0.00221 76.87 ug/L Ba 137 89.668 7.912 0.000 0.00033 370.50 ug/L > Tb 159 1804441.385 2.309 1804441.385 ug/L Ho 165 1815560.365 0.570 0.030 ug/L TI 205 1902.886 7.534 0.000 0.00797 99.30 ug/L Pb 208 1857.759 3.474 -0.000 -0.01353 22.83 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ' Be 9 > Se-1 45 104.124 Cr 52 Cr 53 Mn 55

Sample ID: CCV CALBK Report Date/Time: Tuesday, April 16,2002 11:21:38 Page 1

NYC-WTC_000040800

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NYC-WTC_000040800Source: NYC Law Department, mirrored locally

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