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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 53 106.571 Mn 55 100.736 Ni 60 111.740 Cu 63 107.095 Cu 65 111.486 Zn 66 101.079 Zn 67 99.128 Zn 68 104.983 > Ge 72 81.053 As 75 108.658 Se 77 114.188 Se 82 114.744 Ag 107 86.866 Cd 111 103.547 Cd 114 99.278 In 115 89.505 Sb 121 100.651 Sb 123 106.423 Ba 135 95.989 Ba 137 95.944 Ho 165 > Tb 159 90.161 Hg 201 101.545 Hg 202 106.711 TI 205 99.881 Pb 208 99.026 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 68LinearThru Zero 1.000000 > Ge 72Linear Thru Zero As 75Linear Thru Zero 0.999965 Se 77Linear Thru Zero 0.999622 Se 82Llnear Thru Zero 0.999911 Ag 107Linear Thru Zero 0.999575 Cd 111LinearThru 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 14:45:07 Page 2

NYC-WTC_000053049

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NYC-WTC_000053049Source: NYC Law Department, mirrored locally

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