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ICPMS daily performance check report, May 21, 2002

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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: AE10608 Sample Date/Time: Tuesday, May 21, 2002 11:54:54 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\AE1 0608.220 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 8.667 24.019 0.000 0.00447 147.61 ug/L > Li 6 45781.117 1.054 45781.117 ug/L > Sc-1 45 353247.968 2.851 353247.968 ug/L Cr 52 6108.448 3.698 0.002 0.08463 22.74 ug/L Cr 53 1063.740 4.016 0.001 0.57731 11.27 ug/L Mn 55 310028.924 0.253 0.875 24.58861 2.96 ug/L Co 59 321.009 3.828 0.001 0.02559 1.41 ug/L . Ni 60 832.046 0.636 0.002 0.42134 2.74 ug/L Cu 63 53548.786 0.667 0.151 12.70793 3.46 ug/L Cu 65 26459.051 1.324 0.075 12.76527 4.12 ug/L Zn 66 7513.514 2.687 0.082 4.94471 1.75 ug/L Zn 67 1303.440 2.686 0.014 4.74743 4.38 ug/L Zn 68 5941.002 3.830 0.065 5.29050 3.80 ug/L Ge 72 83939.965 1.420 83939.965 ug/L As 75 12407.557 1.710 0.013 0.62859 30.69 ug/L Se 77 1523.324 0.949 0.001 0.59847 20.60 ug/L Se 82 -53.143 155.585 0.000 0.18179 240.58 ug/L As-1 75 899.720 1.914 737.050 0.40917 2.34 ug/L Kr 83 4423.787 2.016 -347.513 ug/L Ag 107 126.669 7.076 -0.000 -0.03026 3.25 ug/L Cd 111 158.336 16.666 0.000 0.03572 29.45 ug/L Cd 114 354.329 9.347 0.000 0.03612 15.32 ug/L > In 115 1194835.583 0.484 1194835.583 ug/L Sb 121 450.349 2.191 0.000 0.05168 2.85 ug/L Sb 123 345.944 4.160 0.000 0.05061 4.10 ug/L Ba 135 41650.614 0.799 0.023 17.72107 2.43 ug/L Ba 137 72145.195 0.400 0.040 17.63292 2.02 ug/L Ho 165 1833165.020 0.720 -0.004 ug/L > Tb 159 1811847.798 1.812 1811847.798 ug/L Hg 201 47.334 2.440 0.000 0.00028 351.87 ug/L Hg 202 92.335 4.377 0.000 0.00411 29.50 ug/L TI 205 899.721 10.741 -0.000 -0.00114 261.44 ug/L Pb 208 16800.233 0.367 0.008 0.38568 1.85 ug/L

Sample ID: AE10608 Report Date/Time: Tuesday, May 21, 2002 11:56:50 Page 1

NYC-WTC_000053991

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