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← Document results/DEP Box 29/ICPMS 5/21/02
Document / 217 pages

ICPMS daily performance check report, May 21, 2002

Machine-extracted title · confidence 98%

Daily instrument calibration and performance verification log for ICPMS equipment conducted on May 21, 2002.

NYC-WTC_000053939–000054155

Folder label: “ICPMS 5/21/02”

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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. Rel. % Diff Be 9 105.428 Li 6 84.237 > Sc-1 45 82.892 Cr 52 99.221 Cr 53 99.867 Mn 55 99.523 Co 59 98.867 Ni 60 96.618 Cu 63 98.691 Cu 65 98.387 Zn 66 107.255 Zn 67 102.471 Zn 68 106.228 > Ge 72 84.775 As 75 106.148 Se 77 113.496 Se 82 111.538 As-1 75 90.733 Kr 83 Ag 107 92.181 Cd 111 100.397 Cd 114 101.680 > In 115 85.849 Sb 121 105.695 Sb 123 105.963 ’ Ba 135 99.107 Ba 137 97.881 Ho 165 > Tb 159 90.881 Hg 201 103.432 Hg 202 103.310 n 205 99.129 Pb 208 98.910 Calibration Analyte MassCurve Type Correlation Coefficient Be 9Linear Thru Zero 0.999998 Li 6Linear Thru Zero Sc-1 45Linear Thru Zero Cr 52Linear Thru Zero 0.999999 Cr 53Linear Thru Zero 0.999998 Mn 55Linear Thru Zero 0.999996 Co 59Linear Thru Zero 0.999982 Ni 60Linear Thru Zero 0.999971 Cu 63Linear Thru Zero 1.000000 Cu 65Linear Thru Zero 1.000000 Zn 66Linear Thru Zero 0.999977 Zn 67Linear Thru Zero 0.999921 Zn 68Linear Thru Zero 0.999997 Ge 72Linear Thru Zero As 75Linear Thru Zero 0.999947

Sample ID: AE10813 Report Date/Time: Tuesday, May 21,2002 13:35:32 Page 2

NYC-WTC_000054073

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NYC-WTC_000054073Source: NYC Law Department, mirrored locally

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