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ICPMS daily performance check report, May 24, 2002

Machine-extracted title · confidence 98%

Daily instrument calibration and performance verification log for ICPMS equipment conducted on May 24, 2002.

NYC-WTC_000054375–000054546

Folder label: “ICPMS 5/24/02”

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE11280 Sample Date/Time: Friday, May 24, 2002 10:34:57 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: c:\winnt\profiles\lrd1\elandata\Method\_NEWN.mth Dataset File: c:\winnt\profiles\lrd1\elandata\Dataset\new york city\AE11280.364 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 7.000 49.487 0.000 0.00579 150.72 ug/L Li 6 56667.642 0.837 56667.642 ug/L > Se-1 45 414767.485 0.784 414767.485 ug/L Cr 52 7326.358 1.579 0.002 0.09100 18.77 ug/L Cr 53 1085.076 2.526 0.002 0.62595 3.32 ug/L Mn 55 384971.520 1.346 0.926 26.93015 1.00 ug/L Co 59 319.009 3.561 0.000 0.01683 6.86 ug/L Ni 60 725.703 6.536 0.002 0.32964 6.44 ug/L Cu 63 5563.091 0.303 0.013 1.21980 0.52 ug/L Cu 65 2680.755 1.273 0.006 1.20100 0.54 ug/L Zn 66 2690.759 3.408 0.022 1.34351 3.76 ug/L Zn 67 602.026 3.711 0.005 1.77258 4.86 ug/L Zn 68 2407.676 1.391 0.021 1.73452 2.48 ug/L Ge 72 88013.217 0.656 88013.217 ug/L As 75 12990.638 2.266 0.006 0.30429 56.35 ug/L Se 77 1601.866 2.486 0.000 0.24798 95.40 ug/L Se 82 -26.654 128.707 0.001 0.63178 27.16 ug/L As-1 75 604.693 5.128 496.358 0.26437 6.25 ug/L Kr 83 4675.916 1.273 -171.758 ug/L Ag 107 207.338 11.579 -0.000 -0.00738 35.41 ug/L Cd 111 46.667 32.451 0.000 0.00921 67.88 ug/L Cd 114 89.415 10.383 0.000 0.00745 21.54 ug/L > In 115 1160734.043 0.259 1160734.043 ug/L Sb 121 416.014 6.701 0.000 0.04875 7.10 ug/L Sb 123 323.579 3.002 0.000 0.05090 3.25 ug/L Ba 135 40880.122 0.894 0.023 17.78287 1.68 ug/L Ba 137 71801.484 0.158 0.041 17.87339 0.75 ug/L Ho 165 1767319.905 0.389 -0.003 ug/L > Tb 159 1757525.537 0.851 1757525.537 ug/L Hg 201 31.667 18.504 -0.000 -0.00637 75.89 ug/L Hg 202 67.334 8.445 -0.000 -0.00544 34.87 ug/L n 205 522.020 9.585 -0.000 -0.00173 113.54 ug/L Pb 208 3213.590 1.085 0.001 0.04276 1.04 ug/L

Sample ID: AE11280 Report Date/Time: Friday, May 24, 2002 10:36:53 Page 1

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NYC-WTC_000054427Source: NYC Law Department, mirrored locally

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