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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: ICV CALBK Sample Date/Time: Tuesday, April 16, 2002 09:22:05 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york cityICV CAL BK.549 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 10.000 20.000 -0.000 -0.00513 106.76 ug/L > Se-1 45 495002.223 3.187 495002.223 ug/L Cr 52 7450.461 2.250 -0.002 -0.09933 28.67 ug/L Cr 53 581.024 0.621 -0.000 -0.07919 19.96 ug/L Mn 55 1255.100 8.519 0.000 0.00346 134.73 ug/L Ni 60 52.667 7.189 0.000 0.00283 73.02 ug/L Cu 63 260.340 4.452 -0.000 -0.00146 255.07 ug/L Cu 65 143.003 7.787 -0.000 -0.00166 335.02 ug/L Zn 66 496.685 6.031 -0.000 -0.01974 81.97 ug/L Zn 67 130.669 16.981 -0.000 -0.01701 388.07 ug/L Zn 68 389.346 2.441 -0.000 -0.01355 31.84 ug/L Ge 72 96692.497 1.043 96692.497 ug/L As 75 -3.017 1206.256 -0.000 -0.01156 155.17 ug/L Se 77 115.327 13.110 0.000 0.06932 115.12 ug/L Se 82 104.002 4.996 -0.000 -0.00725 380.73 ug/L Ag 107 1308.774 4.955 0.001 0.07910 6.94 ug/L Cd 111 1052.847 1.599 -0.000 -0.01795 23.23 ug/L Cd 114 107.774 21.170 -0.000 -0.00631 57.82 ug/L > In 115 1366746.867 0.641 1366746.867 ug/L Sb 121 58.667 14.497 0.000 0.00202 46.09 ug/L Sb 123 59.523 13.307 0.000 0.00257 43.06 ug/L Ba 135 61.334 17.126 -0.000 -0.00091 394.77 ug/L Ba 137 97.668 8.276 0.000 0.00044 347.45 ug/L > Tb 159 1955122.614 0.706 1955122.614 ug/L Ho 165 1884354.693 1.684 -0.013 ug/L Tl 205 1922.225 13.507 0.000 0.00243 429.76 ug/L Pb 208 2095.784 1.503 -0.000 -0.01126 4.23 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery • Dilution % Diff Dup. Rei. % Diff ' Be 9 > Sc-1 45 101.282 Cr 52 Cr 53 Mn 55

Sample ID: ICV CALBK Report Date/Time: Tuesday, April 16, 2002 09:24:33 Page 1

NYC-WTC_000040762

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NYC-WTC_000040762Source: NYC Law Department, mirrored locally

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