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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: AE10850 Sample Date/Time: Tuesday, May 21,2002 13:43:37 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 cit\AE1 0850.250 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 9.000 19.245 0.000 0.00582 94.28 ug/L Li 6 45192.175 1.000 45192.175 ug/L > Se-1 45 341784.626 1.966 341784.626 ug/L Cr 52 6271.893 2.551 0.003 0.13501 27.17 ug/L Cr 53 1086.409 2.588 0.002 0.64311 8.57 ug/L Mn 55 363766.242 1.356 1.062 29.82794 2.45 ug/L Co 59 269.340 0.567 0.001 0.02094 2.81 ug/L Ni 60 608.360 5.836 0.002 0.31381 4.36 ug/L Cu 63 4649.902 0.542 0.013 1.10622 1.79 ug/L Cu 65 2287.311 3.812 0.006 1.10085 2.96 ug/L Zn 66 1208.426 3.301 0.007 0.44506 4.15 ug/L Zn 67 367.678 2.345 0.003 1.05287 5.90 ug/L Zn 68 1284.770 1.134 0.010 0.84421 2.50 ug/L Ge 72 79703.068 1.791 79703.068 ug/L As 75 12130.133 1.187 0.017 0.84445 25.93 ug/L Se 77 1479.580 1.141 0.002 0.82095 33.70 ug/L Se 82 11.146 741.159 0.001 0.52519 87.37 ug/L As-1 75 920.723 3.391 758.053 0.42083 4.12 ug/L Kr 83 4240.698 1.694 -530.602 ug/L Ag 107 134.669 21.831 -0.000 -0.02859 10.95 ug/L Cd 111 46.667 14.268 -0.000 -0.00843 32.30 ug/L Cd 114 132.947 16.593 -0.000 -0.00087 458.29 ug/L In 115 1125916.388 0.781 1125916.388 ug/L Sb 121 498.352 1.452 0.000 0.06135 0.76 ug/L Sb 123 390.583 4.781 0.000 0.06163 4.86 ug/L Ba 135 41537.102 1.317 0.024 18.69944 1.15 ug/L Ba 137 72332.676 0.257 0.042 18.70750 1.09 ug/L Ho 165 1727478.759 0.220 -0.007 ug/L Tb 159 1711981.837 0.865 1711981.837 ug/L Hg 201 47.334 16.410 0.000 0.00237 267.07 ug/L Hg 202 126.669 5.925 0.000 0.01779 15.55 ug/L n 205 784.375 8.420 -0.000 -0.00358 66.83 ug/L Pb 208 2467.154 2.030 0.000 0.01771 8.35 ug/L

Sample ID: AE10850 Report Date/Time: Tuesday, May 21,2002 13:45:33 Page 1

NYC-WTC_000054081

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