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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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Scanned page image, NYC-WTC_000053953
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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 LI 6 94.982 > Sc-1 45 94.906 Cr 52 Cr 53 Mn 55 Co 59 Ni 60 Cu 63 Cu 65 Zn 66 Zn 67 Zn 68 Ge 72 97.261 As 75 Se 77 Se 82 As-1 75 Kr 83 Ag 107 Cd 111 Cd 114 > In 115 97.706 Sb 121 Sb 123 Ba 135 Ba 137 Ho 165 Tb 159 103.537 Hg 201 Hg 202 TI 205 Pb 208 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 68Llnear Thru Zero 0.999997 Ge 72Linear Thru Zero As 75Linear Thru Zero 0.999947

Sample ID: ICV STD1 30+2 PPB Report Date/Time: Tuesday, May 21, 2002 10:39:32 Page 2

NYC-WTC_000053953

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NYC-WTC_000053953Source: NYC Law Department, mirrored locally

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