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ICPMS daily performance check report, May 21, 2002

Machine-extracted title · confidence 98%

Daily instrument calibration and performance verification log for ICPMS equipment conducted on May 21, 2002.

NYC-WTC_000053939–000054155

Folder label: “ICPMS 5/21/02”

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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 STD1 30+2 PPB Sample Date/Time: Tuesday, May 21, 2002 13:14:37 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\newyork city\CCV STD1 30+2 PPB.242 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 10345.325 3.572 0.208 28.95774 2.15 ug/L Li 6 49659.140 2.346 49659.140 ug/L > Se-1 45 369988.352 0.632 369988.352 ug/L Cr 52 242270.916 1.401 0.639 30.16919 1.37 ug/L Cr 53 28774.759 1.242 0.076 30.04918 1.85 ug/L Mn 55 394969.163 2.738 1.065 29.91364 3.29 ug/L Co 59 286154.663 1.048 0.773 29.87839 1.67 ug/L Ni 60 58848.145 1.670 0.159 29.60583 2.08 ug/L Cu 63 129937.430 1.428 0.351 29.47289 2.02 ug/L Cu 65 63489.281 1.926 0.171 29.27971 2.52 ug/L Zn 66 42488.829 1.342 0.497 30.05963 1.24 ug/L Zn 67 7368.059 1.592 0.086 29.09966 3.25 ug/L Zn 68 31322.850 0.619 0.366 29.78984 1.96 ug/L > Ge 72 84238.426 1.985 84238.426 ug/L As 75 62726.615 1.451 0.610 29.91829 2.57 ug/L Se 77 6339.169 1.537 0.058 30.83327 2.55 ug/L Se 82 5645.638 0.482 0.068 30.25012 1.82 ug/L As-1 75 48906.389 2.057 48743.720 27.05994 2.06 ug/L Kr 83 4360.422 0.390 -410.878 ug/L Ag 107 274256.393 1.492 0.232 28.74594 0.51 ug/L Cd 111 72677.462 1.624 0.062 29.84115 0.92 ug/L Cd 114 170099.464 1.351 0.144 29.86279 1.20 ug/L > In 115 1180028.709 2.005 1180028.709 ug/L Sb 121 238563.903 1.049 0.202 29.77037 1.01 ug/L Sb 123 183101.568 0.973 0.155 29.81795 2.32 ug/L Ba 135 69600.473 1.310 0.039 29.91694 1.19 ug/L Ba 137 119882.466 0.259 0.067 29.60218 0.96 ug/L Ho 165 1829365.740 1.400 0.004 ug/L Tb 159 1793605.704 1.046 1793605.704 ug/L Hg 201 2669.752 3.121 0.001 2.00491 4.00 ug/L Hg 202 6052.408 1.058 0.003 1.97806 0.96 ug/L TI 205 839205.027 1.546 0.467 29.98182 1.31 ug/L Pb 208 1145557.705 0.552 0.638 29.95595y 1.35 ug/L

Sample ID: CCV STD1 30+2 PPB Report Date/Time: Tuesday, May 21, 2002 13:17:07 Page 1

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