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ICPMS daily performance check report, May 15, 2002

Machine-extracted title · confidence 98%

Daily instrument calibration and performance verification log for ICPMS equipment conducted on May 15, 2002.

NYC-WTC_000053505–000053628

Folder label: “ICPMS 5/15/02

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NYC 9/11 Public Portal Document

Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff Be 9 99.157 Li 6 91.493 > Sc-1 45 91.513 Cr 52 93.253 Cr 53 93.236 Mn 55 94.604 Co 59 95.809 NI 60 97.346 Cu 63 96.938 Cu 65 97.387 Zn 66 102.220 Zn 67 98.741 Zn 68 99.903 > Ge 72 95.450 As 75 99.362 Se 77 108.125 Se 82 107.161 As-1 75 90.237 Kr 83 Ag 107 89.278 Cd 111 94.366 Cd 114 94.717 > In 115 96.061 Sb 121 102.209 Sb 123 102.258 Ba 135 86.633 Ba 137 85.929 Ho 165 > Tb 159 98.172 Hg 201 93.298 Hg 202 93.539 TI 205 104.550 Pb 208 86.732 Calibration Analyte MassCurve Type Correlation Coefficient Be 9Linear Thru Zero 0.999997 > Li 6Linear Thru Zero > Sc-1 45Linear Thru Zero Cr 52Linear Thru Zero 0.999998 Cr 53Linear Thru Zero 0.999900 Mn 55Linear Thru Zero 0.999914 Co 59Llnear Thru Zero 0.999954 Ni 60Linear Thru Zero 0.999985 Cu 63Linear Thru Zero 0.999990 Cu 65Linear Thru Zero 0.999993 Zn 66Linear Thru Zero 0.999997 Zn 67Linear Thru Zero 0.999939 Zn 68Linear Thru Zero 0.999973 > Ge 72Linear Thru Zero As 75Linear Thru Zero 0.999999 Se 77Linear Thru Zero 0.999784 Se 82Linear Thru Zero 0.999970

Sample ID: AE10131 Report Date/Time: Wednesday, May 15, 2002 10:42:07 Page 2

NYC-WTC_000053540

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NYC-WTC_000053540Source: NYC Law Department, mirrored locally

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NYC-WTC_000053630 · Box DEP Box 29

Laboratory analysis results for a Westchester County Department of Labs and Research sample processed on May 15, 2002.

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