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ICPMS daily performance check report, May 8, 2002

Machine-extracted title · confidence 98%

Daily instrument calibration and performance verification log for ICPMS equipment conducted on May 8, 2002.

NYC-WTC_000053094–000053210

Folder label: “ICPMS 5/3/02”

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NYC 9/11 Public Portal Document

Ni 60 106.771 Cu 63 102.147 Cu 65 101.858 Zn 66 106.102 Zn 67 101.180 Zn 68 103.835 > Ge 72 86.393 As 75 103.025 Se 77 112.271 Se 82 114.380 Kr 83 Ag 107 90.426 in 115 86.221 Sb 121 102.605 Sb 123 104.084 Ba 135 87.717 Ba 137 86.338 > Tb 159 94.701 Hg 201 102.463 Hg 202 101.635 TI 205 92.075 Pb 208 92.535 Calibration Analyte MassCurve Type Correlation Coefficient Be 9Linear Thru Zero 0.999560 Sc-1 45Linear Thru Zero Cr 52Linear Thru Zero 0.999838 Cr 53Linear Thru Zero 0.999753 Mn 55Linear Thru Zero 1.000000 Ni 60Linear Thru Zero 0.999983 Cu 63Linear Thru Zero 0.999936 Cu 65Linear Thru Zero 0.999919 Zn 66Linear Thru Zero 0.999510 Zn 67LinearThru Zero 0.999791 Zn 68Linear Thru Zero 0.999634 Ge 72LinearThru Zero As 75Linear Thru Zero 0.999720 Se 77Linear Thru Zero 0.999444 Se 82Linear Thru Zero 0.999562 Kr 83Linear Thru Zero Ag 107Linear Thru Zero 0.999998 > In 115Linear Thru Zero Sb 121Linear Thru Zero 0.999954 Sb 123Linear Thru Zero 0.999939 Ba 135Linear Thru Zero 1.000000 Ba 137Linear Thru Zero 0.999999 Tb 159Linear Thru Zero Hg 201Linear Thru Zero 0.999826 Hg 202Linear Thru Zero 0.999591 TI 205Linear Thru Zero 1.000000 Pb 208Linear Thru Zero 0.999930

Sample ID: AE09517 Report Date/Time: Wednesday, May 08, 200214:51:30 Page 2

NYC-WTC_000053186

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NYC-WTC_000053186Source: NYC Law Department, mirrored locally

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