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ICPMS daily performance check report, May 3, 2002

Machine-extracted title · confidence 98%

Daily instrument calibration and performance verification log for ICPMS equipment conducted on May 3, 2002.

NYC-WTC_000052963–000053092

Folder label: “ICPMS 5/3/02”

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NYC 9/11 Public Portal Document

Cr 53 99.579 Mn 55 101.806 Ni 60 109.528 Cu 63 104.922 Cu 65 107.178 Zn 66 101.608 Zn 67 101.880 Zn 68 104.752 > Ge 72 80.585 As 75 106.001 Se 77 112.480 Se 82 114.731 Ag 107 86.584 Cd 111 100.356 Cd 114 98.172 > in 115 90.335 Sb 121 99.638 Sb 123 102.269 Ba 135 97.327 Ba 137 96.004 Ho 165 > Tb 159 88.720 Hg 201 106.174 Hg 202 109.434 TI 205 100.148 Pb 208 99.321 Calibration Analyte MassCurve Type Correlation Coefficient Be 9Linear Thru Zero 0.999570 > Sc-1 45Linear Thru Zero Cr 52Linear Thru Zero 0.999516 Cr 53Linear Thru Zero 0.999999 Mn 55Linear Thru Zero 0.999735 Ni 60Linear Thru Zero 0.999662 Cu 63Linear Thru Zero 1.000000 Cu 65Linear Thru Zero 0.999636 Zn 66Linear Thru Zero 0.999967 Zn 67Linear Thru Zero 0.999861 Zn 68Linear Thru Zero 1.000000 > Ge 72Linear Thru Zero As 75Linear Thru Zero 0.999965 Se 77Linear Thru Zero 0.999622 Se 82Linear Thru Zero 0.999911 Ag 107Linear Thru Zero 0.999575 Cd 111 Linear Thru Zero 0.999957 Cd 114Linear Thru Zero 0.999484 > In 115Linear Thru Zero Sb 121 Linear Thru Zero 0.999939 Sb 123Linear Thru Zero 0.999959 Ba 135Linear Thru Zero 0.999980 Ba 137Linear Thru Zero 0.999748 Ho 165Linear Thru Zero > Tb 159Linear Thru Zero

Sample ID: AE08954 Report Date/Time: Friday, May 03, 2002 14:35:41 Page 2

NYC-WTC_000053046

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NYC-WTC_000053046Source: NYC Law Department, mirrored locally

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