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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: AE06985 Sample Date/Time: Thursday, April 11, 2002 14:21:16 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\AE06985.482 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 11.667 19.795 -0.000 -0.00431 130.37 ug/L > Se-1 45 465848.277 1.939 465848.277 ug/L Cr 52 8580.134 1.985 0.003 0.16828 23.76 ug/L Cr 53 1976.901 2.630 0.003 1.45041 4.44 ug/L Mn 55 216244.996 1.055 0.460 15.39811 2.42 ug/L Ni 60 698.367 7.189 0.001 0.31669 6.94 ug/L Cu 63 5885.297 2.399 0.012 1.15585 0.71 ug/L Cu 65 2968.515 4.178 0.006 1.21665 6.36 ug/L Zn 66 6248.877 1.969 0.058 3.34654 1.24 ug/L Zn 67 1318.442 2.283 0.012 4.04925 1.08 ug/L Zn 68 5126.830 0.539 0.049 3.95290 1.42 ug/L > Ge 72 93761.716 1.568 93761.716 ug/L As 75 542.559 6.731 0.005 0.27482 7.97 ug/L Se 77 165.003 3.149 0.001 0.42090 4.40 ug/L Se 82 139.002 5.432 0.000 0.19322 21.66 ug/L Ag 107 143.669 5.035 -0.001 -0.13748 0.58 ug/L Cd 111 908.066 1.729 -0.000 -0.03239 22.34 ug/L Cd 114 106.376 10.524 0.000 0.00624 27.69 ug/L In 115 1281791.577 0.882 1281791.577 ug/L Sb 121 436.348 2.525 0.000 0.04020 3.88 ug/L Sb 123 332.362 6.390 0.000 0.04048 6.81 ug/L Ba 135 39010.914 0.646 0.023 16.06236 0.91 ug/L Ba 137 64358.355 1.641 0.038 15.38479 2.40 ug/L > Tb 159 1689061.249 0.852 1689061.249 ug/L Ho 165 1681023.189 4.542 0.035 ug/L TI 205 833.713 3.246 -0.000 -0.02619 5.74 ug/L Pb 208 4711.853 1.712 0.002 0.09895 1.46 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 98.188 Cr 52 Cr 53 Mn 55

Sample ID: AE06985 Report Date/Time: Thursday, April 11,2002 14:23:04 Page 1

NYC-WTC_000040635

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NYC-WTC_000040635Source: NYC Law Department, mirrored locally

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