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← Document results/DEP Box 29/ICPMS 5/24/02
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ICPMS daily performance check report, May 24, 2002

Machine-extracted title · confidence 98%

Daily instrument calibration and performance verification log for ICPMS equipment conducted on May 24, 2002.

NYC-WTC_000054375–000054546

Folder label: “ICPMS 5/24/02

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NYC 9/11 Public Portal Document

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff Be 9 103.615 Li 6 97.812 > Sc-1 45 97.419 Cr 52 96.305 Cr 53 97.732 Mn 55 95.859 Co 59 97.913 Ni 60 98.005 Cu 63 99.750 Cu 65 99.160 Zn 66 102.934 Zn 67 101.171 Zn 68 103.383 Ge 72 100.871 As 75 101.128 Se 77 107.969 Se 82 107.987 As-1 75 94.798 Kr 83 Ag 107 94.359 Cd 111 98.107 Cd 114 98.820 > In 115 100.377 Sb 121 100.991 Sb 123 100.176 Ba 135 95.647 Ba 137 93.881 Ho 165 > Tb 159 100.254 Hg 201 109.018 Hg 202 109.489 TI 205 96.009 Pb 208 95.244 Calibration Analyte MassCurve Type Correlation Coefficient Be 9Linear Thru Zero 0.999993 Li 6Linear Thru Zero Sc-1 45Linear Thru Zero Cr 52Linear Thru Zero 0.999996 Cr 53Linear Thru Zero 0.999995 Mn 55Linear Thru Zero 0.999997 Co 59Linear Thru Zero 0.999999 Ni 60Linear Thru Zero 0.999980 Cu 63Linear Thru Zero 0.999990 Cu 65Linear Thru Zero 0.999997 Zn 66Linear Thru Zero 0.999967 Zn 67Linear Thru Zero 0.999990 Zn 68Linear Thru Zero 0.999970 > Ge 72LinearThru Zero As 75Linear Thru Zero 1.000000

Sample ID: AE10898 Report Date/Time: Friday, May 24, 2002 10:16:54 Page 2

NYC-WTC_000054410

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NYC-WTC_000054410Source: NYC Law Department, mirrored locally

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